/* ============================================================
   CALCULADORA TRIBUTÁRIA — ESTILOS PRINCIPAIS
   Tema: profesional, limpio, legible para datos fiscales
   Fuentes: Inter (UI) + JetBrains Mono (números)
   ============================================================ */

/* --------------------------------------------------------
   VARIABLES Y RESET
   -------------------------------------------------------- */
:root {
    --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
    --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

    /* Colores principales */
    --color-primary:        #2563EB;
    --color-primary-dark:   #1D4ED8;
    --color-primary-light:  #DBEAFE;

    /* Semánticos */
    --color-success:        #16A34A;
    --color-success-light:  #DCFCE7;
    --color-warning:        #D97706;
    --color-warning-light:  #FEF3C7;
    --color-danger:         #DC2626;
    --color-danger-light:   #FEE2E2;
    --color-info:           #0891B2;
    --color-info-light:     #CFFAFE;

    /* Neutros */
    --color-gray-50:        #F9FAFB;
    --color-gray-100:       #F3F4F6;
    --color-gray-200:       #E5E7EB;
    --color-gray-300:       #D1D5DB;
    --color-gray-400:       #9CA3AF;
    --color-gray-500:       #6B7280;
    --color-gray-600:       #4B5563;
    --color-gray-700:       #374151;
    --color-gray-800:       #1F2937;
    --color-gray-900:       #111827;

    /* Layout */
    --navbar-height:        60px;
    --sidebar-width:        260px;
    --container-max:        1400px;
    --border-radius:        8px;
    --border-radius-sm:     4px;
    --border-radius-lg:     12px;
    --border-radius-xl:     16px;

    /* Sombras */
    --shadow-sm:   0 1px 2px rgba(0,0,0,.05);
    --shadow-md:   0 4px 6px rgba(0,0,0,.07);
    --shadow-lg:   0 10px 15px rgba(0,0,0,.1);

    /* Transiciones */
    --transition:  all .15s ease;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    font-size: .9375rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background: var(--color-gray-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img, svg { display: block; max-width: 100%; }

/* --------------------------------------------------------
   TIPOGRAFÍA
   -------------------------------------------------------- */
h1, h2, h3, h4 { font-weight: 600; line-height: 1.3; color: var(--color-gray-900); }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }

.font-mono { font-family: var(--font-mono) !important; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 600; }
.text-sm { font-size: .8125rem; }
.text-xs { font-size: .75rem; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--color-gray-500); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-info { color: var(--color-info); }
.mb-1 { margin-bottom: .25rem; }

/* --------------------------------------------------------
   LAYOUT PRINCIPAL
   -------------------------------------------------------- */
.main-content {
    flex: 1;
    padding: 1.5rem 0 2rem;
    margin-top: var(--navbar-height);
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --------------------------------------------------------
   NAVBAR
   -------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--navbar-height);
    background: var(--color-gray-900);
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.navbar-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    text-decoration: none;
    flex-shrink: 0;
}

.navbar-logo svg { width: 32px; height: 32px; }

.navbar-brand-text { display: flex; flex-direction: column; }
.navbar-brand-name {
    font-size: .9375rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.2;
}
.navbar-brand-version {
    font-size: .6875rem;
    color: rgba(255,255,255,.4);
}

.navbar-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: .25rem;
    flex: 1;
}

.navbar-link {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .5rem .75rem;
    color: rgba(255,255,255,.7);
    border-radius: var(--border-radius);
    font-size: .875rem;
    font-weight: 500;
    transition: var(--transition);
    background: none;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.navbar-link svg { width: 16px; height: 16px; flex-shrink: 0; }

.navbar-link:hover,
.navbar-item.active .navbar-link {
    color: #fff;
    background: rgba(255,255,255,.1);
    text-decoration: none;
}

/* Dropdown navbar */
.navbar-dropdown,
.navbar-user-dropdown { position: relative; }

.navbar-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    list-style: none;
    padding: .5rem;
    display: none;
    z-index: 100;
}

.navbar-dropdown.open .navbar-dropdown-menu,
.navbar-user-dropdown.open .navbar-dropdown-menu { display: block; }

.dropdown-item {
    display: flex;
    align-items: center;
    gap: .625rem;
    padding: .5rem .75rem;
    color: var(--color-gray-700);
    border-radius: var(--border-radius);
    font-size: .875rem;
    transition: var(--transition);
}
.dropdown-item svg { width: 16px; height: 16px; color: var(--color-gray-400); }
.dropdown-item:hover { background: var(--color-gray-100); text-decoration: none; color: var(--color-gray-900); }
.dropdown-item-danger { color: var(--color-danger); }
.dropdown-item-danger:hover { background: var(--color-danger-light); }
.dropdown-header { padding: .5rem .75rem; font-size: .8125rem; color: var(--color-gray-500); }
.dropdown-divider { height: 1px; background: var(--color-gray-200); margin: .375rem 0; }
.dropdown-arrow { width: 14px; height: 14px; transition: transform .2s; }
.navbar-dropdown.open .dropdown-arrow { transform: rotate(180deg); }

/* Usuario */
.navbar-user { margin-left: auto; display: flex; align-items: center; gap: .75rem; }

.navbar-uf-badge {
    background: var(--color-primary);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    padding: .25rem .5rem;
    border-radius: var(--border-radius-sm);
}

.navbar-user-btn {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--border-radius);
    padding: .375rem .625rem;
    cursor: pointer;
    transition: var(--transition);
    color: #fff;
}
.navbar-user-btn:hover { background: rgba(255,255,255,.15); }

.navbar-avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: .75rem; font-weight: 700; color: #fff;
    flex-shrink: 0;
}

.navbar-user-info { display: flex; flex-direction: column; text-align: left; }
.navbar-user-name { font-size: .8125rem; font-weight: 500; color: #fff; line-height: 1.2; }
.navbar-user-perfil { font-size: .6875rem; color: rgba(255,255,255,.5); }
.navbar-user-menu { right: 0; left: auto; }

/* Toggle mobile */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    margin-left: auto;
}
.navbar-toggle span {
    display: block;
    width: 22px; height: 2px;
    background: rgba(255,255,255,.8);
    border-radius: 2px;
    transition: var(--transition);
}

/* --------------------------------------------------------
   PAGE HEADER
   -------------------------------------------------------- */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.page-title {
    display: flex;
    align-items: center;
    gap: .625rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0;
}
.page-title svg { width: 24px; height: 24px; color: var(--color-primary); }
.page-subtitle { color: var(--color-gray-500); font-size: .875rem; margin-top: .25rem; }
.page-header-actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

/* --------------------------------------------------------
   CARDS
   -------------------------------------------------------- */
.card {
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin-bottom: 1.5rem;
}
.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-title {
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: .5rem;
    margin: 0;
}
.card-title svg { width: 18px; height: 18px; }
.card-title-badge {
    font-size: .75rem;
    font-weight: 500;
    color: var(--color-gray-500);
    background: var(--color-gray-100);
    padding: .125rem .5rem;
    border-radius: 100px;
    margin-left: .5rem;
}
.card-header-info { font-size: .875rem; color: var(--color-gray-500); }
.card-body { padding: 1.25rem; }
.card-body.p-0 { padding: 0; }
.card-danger { border-color: var(--color-danger); }
.card-info { border-color: var(--color-info); background: #FAFEFF; }
.card-regiao { margin-bottom: 1.25rem; }

/* --------------------------------------------------------
   FORMULARIOS
   -------------------------------------------------------- */
.form-group { margin-bottom: 1rem; }
.form-label {
    display: block;
    font-size: .875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: .375rem;
}
.form-required { color: var(--color-danger); margin-left: 2px; }

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: .5625rem .875rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    font-size: .9375rem;
    font-family: var(--font-sans);
    color: var(--color-gray-800);
    background: #fff;
    transition: var(--transition);
    line-height: 1.5;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-input.input-error, .form-select.input-error {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(220,38,38,.1);
}
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%236B7280' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .75rem center; background-size: 16px; padding-right: 2.5rem; }
.form-textarea { resize: vertical; min-height: 80px; }
.form-select-sm, .form-input-sm { padding: .375rem .75rem; font-size: .875rem; }
.form-error { display: block; font-size: .8125rem; color: var(--color-danger); margin-top: .25rem; }
.form-hint { display: block; font-size: .8125rem; color: var(--color-gray-500); margin-top: .25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-check { display: flex; align-items: center; gap: .5rem; }
.form-checkbox { width: 16px; height: 16px; accent-color: var(--color-primary); cursor: pointer; }
.form-check-label { font-size: .9375rem; cursor: pointer; color: var(--color-gray-700); }

/* Input con prefijo/sufijo */
.input-wrapper { position: relative; display: flex; align-items: center; }
.input-prefix {
    position: absolute; left: .875rem;
    color: var(--color-gray-400); font-size: .875rem; font-weight: 500;
    pointer-events: none; z-index: 1;
}
.input-wrapper .form-input { padding-left: 2.25rem; }
.input-suffix {
    position: absolute; right: .875rem;
    color: var(--color-gray-400); font-size: .875rem;
    pointer-events: none;
}
.input-wrapper .form-input:has(+ .input-suffix) { padding-right: 2.5rem; }
.input-icon {
    position: absolute; left: .75rem;
    width: 18px; height: 18px;
    color: var(--color-gray-400);
    pointer-events: none; z-index: 1;
}
.input-wrapper:has(.input-icon) .form-input { padding-left: 2.5rem; }
.input-toggle-senha {
    position: absolute; right: .75rem;
    background: none; border: none; cursor: pointer;
    color: var(--color-gray-400); padding: .25rem;
}
.input-toggle-senha:hover { color: var(--color-gray-600); }
.input-toggle-senha svg { width: 18px; height: 18px; }

/* --------------------------------------------------------
   BOTONES
   -------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .5625rem 1.125rem;
    border-radius: var(--border-radius);
    font-size: .9375rem;
    font-weight: 500;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    white-space: nowrap;
    text-decoration: none;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); text-decoration: none; color: #fff; }

.btn-secondary { background: #fff; color: var(--color-gray-700); border-color: var(--color-gray-300); }
.btn-secondary:hover { background: var(--color-gray-50); color: var(--color-gray-900); text-decoration: none; }

.btn-danger { background: var(--color-danger); color: #fff; border-color: var(--color-danger); }
.btn-danger:hover { background: #B91C1C; }

.btn-success { background: var(--color-success); color: #fff; border-color: var(--color-success); }
.btn-success:hover { background: #15803D; }

.btn-sm { padding: .375rem .75rem; font-size: .875rem; }
.btn-lg { padding: .75rem 1.5rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.btn-icon {
    width: 32px; height: 32px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--border-radius);
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    cursor: pointer; transition: var(--transition);
    color: var(--color-gray-600);
}
.btn-icon svg { width: 15px; height: 15px; }
.btn-icon:hover { background: var(--color-gray-200); color: var(--color-gray-900); }
.btn-icon-info { color: var(--color-info); }
.btn-icon-info:hover { background: var(--color-info-light); border-color: var(--color-info); }
.btn-icon-warning { color: var(--color-warning); }
.btn-icon-warning:hover { background: var(--color-warning-light); border-color: var(--color-warning); }
.btn-icon-danger { color: var(--color-danger); }
.btn-icon-danger:hover { background: var(--color-danger-light); border-color: var(--color-danger); }
.btn-icon-success { color: var(--color-success); }
.btn-icon-success:hover { background: var(--color-success-light); border-color: var(--color-success); }

/* Spinner */
.spinner {
    width: 18px; height: 18px;
    animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------
   ALERTAS
   -------------------------------------------------------- */
.alert {
    display: flex;
    align-items: flex-start;
    gap: .625rem;
    padding: .75rem 1rem;
    border-radius: var(--border-radius);
    font-size: .9rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}
.alert-icon { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-close { margin-left: auto; background: none; border: none; cursor: pointer; font-size: 1.125rem; line-height: 1; opacity: .6; }
.alert-close:hover { opacity: 1; }

.alert-sucesso { background: var(--color-success-light); border-color: var(--color-success); color: #166534; }
.alert-erro    { background: var(--color-danger-light);  border-color: var(--color-danger);  color: #991B1B; }
.alert-aviso   { background: var(--color-warning-light); border-color: var(--color-warning); color: #92400E; }
.alert-info    { background: var(--color-info-light);    border-color: var(--color-info);    color: #164E63; }

/* --------------------------------------------------------
   TABLAS
   -------------------------------------------------------- */
.table-wrapper {
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin-bottom: 1rem;
}
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th {
    padding: .75rem 1rem;
    text-align: left;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--color-gray-500);
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.table td {
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--color-gray-100);
    color: var(--color-gray-700);
    vertical-align: middle;
}
.table tbody tr:last-child td { border-bottom: none; }
.table-hover tbody tr:hover td { background: var(--color-gray-50); }
.table-sm th, .table-sm td { padding: .5rem .75rem; font-size: .875rem; }
.table-striped tbody tr:nth-child(even) td { background: var(--color-gray-50); }
.table-actions { display: flex; gap: .375rem; align-items: center; }
.row-inativo td { opacity: .55; }

/* --------------------------------------------------------
   BADGES Y ETIQUETAS
   -------------------------------------------------------- */
.badge {
    display: inline-flex; align-items: center;
    padding: .2rem .5rem;
    border-radius: 100px;
    font-size: .75rem; font-weight: 600;
}
.badge-warning { background: var(--color-warning-light); color: #92400E; }
.badge-success { background: var(--color-success-light); color: #166534; }
.badge-danger  { background: var(--color-danger-light);  color: #991B1B; }
.badge-info    { background: var(--color-info-light);    color: #164E63; }

.uf-badge {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 24px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: var(--border-radius-sm);
    font-size: .75rem; font-weight: 700;
    font-family: var(--font-mono);
}
.uf-badge-lg { width: 44px; height: 28px; font-size: .8125rem; }

.status-badge {
    display: inline-flex; align-items: center;
    padding: .2rem .625rem;
    border-radius: 100px;
    font-size: .75rem; font-weight: 600;
}
.status-ativo   { background: var(--color-success-light); color: #166534; }
.status-inativo { background: var(--color-gray-100);      color: var(--color-gray-500); }
.status-sucesso { background: var(--color-success-light); color: #166534; }
.status-aviso   { background: var(--color-warning-light); color: #92400E; }
.status-erro    { background: var(--color-danger-light);  color: #991B1B; }
.status-info    { background: var(--color-info-light);    color: #164E63; }

.perfil-badge {
    display: inline-flex; align-items: center;
    padding: .2rem .625rem;
    border-radius: 100px;
    font-size: .75rem; font-weight: 600;
}
.perfil-admin    { background: #EDE9FE; color: #5B21B6; }
.perfil-operador { background: var(--color-gray-100); color: var(--color-gray-600); }

.http-metodo {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: .7rem; font-weight: 700;
    padding: .15rem .4rem;
    border-radius: 3px;
    margin-right: .375rem;
}
.http-metodo-get  { background: #DCFCE7; color: #166534; }
.http-metodo-post { background: #DBEAFE; color: #1E40AF; }

/* --------------------------------------------------------
   PAGINACIÓN
   -------------------------------------------------------- */
.paginacao {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    flex-wrap: wrap;
    gap: .75rem;
}
.paginacao-info { font-size: .875rem; color: var(--color-gray-500); }
.paginacao-botoes { display: flex; gap: .375rem; flex-wrap: wrap; }
.paginacao-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 32px; height: 32px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    font-size: .875rem; color: var(--color-gray-600);
    background: #fff; transition: var(--transition);
    text-decoration: none;
}
.paginacao-btn:hover { background: var(--color-gray-100); text-decoration: none; color: var(--color-gray-900); }
.paginacao-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.paginacao-btn svg { width: 14px; height: 14px; }

/* --------------------------------------------------------
   MODALES
   -------------------------------------------------------- */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 2000;
    display: flex; align-items: center; justify-content: center;
    padding: 1rem;
}
.modal {
    background: #fff;
    border-radius: var(--border-radius-xl);
    width: 100%; max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-lg { max-width: 760px; }
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky; top: 0; background: #fff; z-index: 1;
}
.modal-title { font-size: 1.0625rem; font-weight: 600; margin: 0; }
.modal-close {
    width: 30px; height: 30px;
    background: var(--color-gray-100); border: none; border-radius: 50%;
    cursor: pointer; font-size: 1.125rem; line-height: 1;
    display: flex; align-items: center; justify-content: center;
    color: var(--color-gray-500); transition: var(--transition);
}
.modal-close:hover { background: var(--color-gray-200); color: var(--color-gray-900); }
.modal-body { padding: 1.5rem; }
.modal-footer {
    display: flex; justify-content: flex-end; gap: .625rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-gray-100);
    background: var(--color-gray-50);
}

/* --------------------------------------------------------
   STATS / MÉTRICAS
   -------------------------------------------------------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stats-grid-5 { grid-template-columns: repeat(5, 1fr); }

.stat-card {
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    padding: 1rem 1.25rem;
}
.stat-label { font-size: .8125rem; color: var(--color-gray-500); margin-bottom: .375rem; }
.stat-valor { font-size: 1.625rem; font-weight: 700; color: var(--color-gray-900); line-height: 1.2; }
.stat-sub { font-size: .8rem; color: var(--color-gray-400); margin-top: .25rem; }

/* --------------------------------------------------------
   CALCULADORA — LAYOUT
   -------------------------------------------------------- */
.calc-layout {
    display: grid;
    grid-template-columns: 440px 1fr;
    gap: 1.5rem;
    align-items: start;
}

.calc-form-panel {
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    position: sticky;
    top: calc(var(--navbar-height) + 1.5rem);
}

.calc-section { border-bottom: 1px solid var(--color-gray-100); }
.calc-section:last-child { border-bottom: none; }
.calc-section-header {
    display: flex; align-items: center; gap: .75rem;
    padding: .875rem 1.25rem;
    background: var(--color-gray-50);
}
.calc-section-num {
    width: 24px; height: 24px;
    background: var(--color-primary);
    color: #fff; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .75rem; font-weight: 700; flex-shrink: 0;
}
.calc-section-title { font-size: .9375rem; font-weight: 600; margin: 0; }
.section-badge-opcional {
    font-size: .75rem; font-weight: 500;
    color: var(--color-gray-500);
    background: var(--color-gray-200);
    padding: .1rem .5rem; border-radius: 100px;
    margin-left: .5rem;
}
.calc-section-body { padding: 1rem 1.25rem; }

.calc-actions {
    display: flex; gap: .75rem;
    padding: 1rem 1.25rem;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-100);
}
.calc-actions .btn-primary { flex: 1; }

/* Alertas de la calculadora */
.calc-alert {
    display: flex; align-items: flex-start; gap: .5rem;
    padding: .625rem .875rem;
    border-radius: var(--border-radius);
    font-size: .8125rem; line-height: 1.5;
    margin-top: .75rem;
}
.calc-alert svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 1px; }
.calc-alert-info   { background: var(--color-info-light);    color: #164E63; border-left: 3px solid var(--color-info); }
.calc-alert-aviso  { background: var(--color-warning-light); color: #92400E; border-left: 3px solid var(--color-warning); }
.calc-alert-erro   { background: var(--color-danger-light);  color: #991B1B; border-left: 3px solid var(--color-danger); }

/* Info del producto */
.produto-info {
    margin-top: .625rem;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius);
    padding: .625rem .875rem;
}
.produto-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
.produto-info-item { display: flex; flex-direction: column; gap: 2px; }
.info-label { font-size: .75rem; color: var(--color-gray-500); }
.info-valor { font-size: .875rem; font-weight: 600; color: var(--color-gray-800); font-family: var(--font-mono); }

/* Modo toggle */
.modo-toggle-wrapper { display: flex; align-items: center; }
.modo-toggle {
    display: flex;
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    padding: 3px;
    gap: 3px;
}
.modo-btn {
    display: flex; align-items: center; gap: .5rem;
    padding: .5rem .875rem;
    border-radius: var(--border-radius);
    font-size: .875rem; font-weight: 500;
    border: none; cursor: pointer;
    color: var(--color-gray-600);
    background: transparent;
    transition: var(--transition);
    white-space: nowrap;
}
.modo-btn svg { width: 14px; height: 14px; }
.modo-btn.active { background: #fff; color: var(--color-gray-900); box-shadow: var(--shadow-sm); }
.modo-btn.active[data-modo="inverso"] { color: var(--color-primary); }
.modo-badge {
    font-size: .65rem; font-weight: 600;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: .1rem .4rem; border-radius: 100px;
    text-transform: uppercase;
}

/* --------------------------------------------------------
   RESULTADO DEL CÁLCULO
   -------------------------------------------------------- */
.calc-result-panel {
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    min-height: 400px;
}

/* Estado vacío */
.result-empty {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; text-align: center;
    padding: 3rem 2rem; min-height: 400px;
}
.result-empty-icon svg { width: 56px; height: 56px; color: var(--color-gray-300); margin-bottom: 1rem; }
.result-empty-title { font-size: 1.0625rem; font-weight: 600; color: var(--color-gray-700); margin-bottom: .5rem; }
.result-empty-text { font-size: .9rem; color: var(--color-gray-500); max-width: 320px; margin-bottom: 1.25rem; }
.result-empty-hints { display: flex; flex-direction: column; gap: .625rem; width: 100%; max-width: 360px; text-align: left; }
.hint-item { display: flex; align-items: flex-start; gap: .625rem; font-size: .875rem; color: var(--color-gray-600); }
.hint-item svg { width: 16px; height: 16px; color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }

/* Cabecera del resultado */
.result-header {
    padding: 1.25rem;
    background: var(--color-gray-900);
    color: #fff;
}
.result-header-top { display: flex; align-items: center; gap: .75rem; margin-bottom: .5rem; }
.result-modo-badge {
    font-size: .75rem; font-weight: 600;
    padding: .25rem .625rem; border-radius: 100px;
}
.result-modo-direto  { background: rgba(255,255,255,.15); color: #fff; }
.result-modo-inverso { background: var(--color-primary); color: #fff; }
.result-produto-nome { font-size: .9375rem; font-weight: 600; }
.result-header-info { font-size: .8125rem; color: rgba(255,255,255,.6); }

/* Métricas del resultado */
.result-metricas {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-bottom: 1px solid var(--color-gray-100);
}
.result-metrica {
    padding: 1rem;
    border-right: 1px solid var(--color-gray-100);
    text-align: center;
}
.result-metrica:last-child { border-right: none; }
.result-metrica-label { font-size: .75rem; color: var(--color-gray-500); margin-bottom: .25rem; }
.result-metrica-valor { font-size: 1.25rem; font-weight: 700; font-family: var(--font-mono); color: var(--color-gray-900); }
.result-metrica-valor.destaque { color: var(--color-primary); font-size: 1.5rem; }
.result-metrica-sub { font-size: .75rem; color: var(--color-gray-400); margin-top: .2rem; }

/* Secciones del resultado */
.result-section { padding: 1rem 1.25rem; border-bottom: 1px solid var(--color-gray-100); }
.result-section:last-child { border-bottom: none; }
.result-section-title { font-size: .875rem; font-weight: 600; color: var(--color-gray-600); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .75rem; }
.result-section-header-collapsible { display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
.result-section-header-collapsible .result-section-title { margin-bottom: 0; }
.collapse-icon { width: 16px; height: 16px; color: var(--color-gray-400); transition: transform .2s; }
.collapse-icon.open { transform: rotate(180deg); }

/* Impuestos */
.result-impostos { display: flex; flex-direction: column; gap: .375rem; }
.imposto-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: .5rem .75rem;
    border-radius: var(--border-radius);
    background: var(--color-gray-50);
    font-size: .875rem;
}
.imposto-item.nao-aplica { opacity: .45; }
.imposto-item.destaque { background: #EFF6FF; border: 1px solid #BFDBFE; }
.imposto-nome { font-weight: 500; color: var(--color-gray-700); }
.imposto-base { font-size: .8rem; color: var(--color-gray-400); }
.imposto-aliq { font-size: .8rem; color: var(--color-gray-500); background: var(--color-gray-100); padding: .1rem .4rem; border-radius: 100px; }
.imposto-valor { font-family: var(--font-mono); font-weight: 600; color: var(--color-gray-800); }
.imposto-valor.zero { color: var(--color-gray-400); }

/* Memorial */
.result-memorial { display: flex; flex-direction: column; gap: .5rem; margin-top: .75rem; }
.memorial-passo {
    display: flex; gap: .75rem;
    padding: .625rem .75rem;
    background: var(--color-gray-50);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-gray-200);
    font-size: .875rem;
}
.memorial-passo:last-child { border-left-color: var(--color-primary); }
.memorial-num {
    width: 24px; height: 24px; flex-shrink: 0;
    background: var(--color-gray-200); color: var(--color-gray-600);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: .75rem; font-weight: 700;
}
.memorial-conteudo { flex: 1; }
.memorial-titulo { font-weight: 600; color: var(--color-gray-800); }
.memorial-descricao { font-size: .8rem; color: var(--color-gray-500); }
.memorial-formula { font-family: var(--font-mono); font-size: .8rem; color: var(--color-gray-600); margin-top: .2rem; }
.memorial-resultado { font-family: var(--font-mono); font-weight: 700; color: var(--color-gray-900); white-space: nowrap; }

/* Verificación de consistencia */
.result-verificacao {
    padding: .75rem;
    border-radius: var(--border-radius);
    font-size: .875rem;
}
.verificacao-ok    { background: var(--color-success-light); color: #166534; }
.verificacao-aviso { background: var(--color-warning-light); color: #92400E; }

/* Rentabilidad */
.rentabilidade-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; margin-bottom: .75rem; }
.rent-item { background: var(--color-gray-50); border-radius: var(--border-radius); padding: .75rem; text-align: center; }
.rent-label { font-size: .75rem; color: var(--color-gray-500); margin-bottom: .25rem; }
.rent-valor { font-size: 1.125rem; font-weight: 700; font-family: var(--font-mono); }
.rent-positivo { color: var(--color-success); }
.rent-negativo  { color: var(--color-danger); }
.rent-neutro    { color: var(--color-gray-700); }

/* Error del resultado */
.result-error { padding: 2rem; text-align: center; }
.result-error svg { width: 48px; height: 48px; color: var(--color-danger); margin: 0 auto 1rem; }
.result-error-title { font-size: 1rem; font-weight: 600; color: var(--color-danger); margin-bottom: .5rem; }
.result-error-mensagem { font-size: .9rem; color: var(--color-gray-600); }
.result-error-lista { margin-top: .75rem; text-align: left; }
.result-error-lista .error-item { padding: .375rem 0; font-size: .875rem; color: var(--color-danger); border-bottom: 1px solid var(--color-danger-light); }

/* Acciones del resultado */
.result-actions { display: flex; gap: .5rem; padding: 1rem 1.25rem; background: var(--color-gray-50); border-top: 1px solid var(--color-gray-100); }

/* --------------------------------------------------------
   LOGIN
   -------------------------------------------------------- */
.login-page { background: var(--color-gray-900); }
.login-wrapper { display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh; }

.login-branding {
    background: linear-gradient(135deg, #1E40AF 0%, #1D4ED8 50%, #2563EB 100%);
    display: flex; align-items: center; justify-content: center;
    padding: 2.5rem;
}
.login-branding-content { max-width: 400px; }
.login-logo svg { width: 48px; height: 48px; margin-bottom: 1.5rem; }
.login-branding-title { font-size: 2rem; font-weight: 700; color: #fff; margin-bottom: .75rem; }
.login-branding-subtitle { font-size: 1.0625rem; color: rgba(255,255,255,.7); margin-bottom: 2rem; }
.login-features { list-style: none; display: flex; flex-direction: column; gap: .875rem; margin-bottom: 2rem; }
.login-features li { display: flex; align-items: flex-start; gap: .75rem; font-size: .9375rem; color: rgba(255,255,255,.85); }
.login-features li svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: #93C5FD; }
.login-regime-badge { display: inline-flex; align-items: center; gap: .5rem; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); padding: .5rem 1rem; border-radius: 100px; font-size: .875rem; color: rgba(255,255,255,.8); }
.login-regime-badge svg { width: 16px; height: 16px; }

.login-form-panel { background: #fff; display: flex; align-items: center; justify-content: center; padding: 2.5rem; }
.login-form-wrapper { width: 100%; max-width: 400px; }
.login-form-header { margin-bottom: 2rem; }
.login-form-title { font-size: 1.75rem; font-weight: 700; color: var(--color-gray-900); margin-bottom: .375rem; }
.login-form-subtitle { color: var(--color-gray-500); font-size: .9375rem; }
.login-form .form-group { margin-bottom: 1.25rem; }
.login-dev-info { margin-top: 1.25rem; padding: .75rem 1rem; background: var(--color-warning-light); border-radius: var(--border-radius); font-size: .8125rem; color: #92400E; }
.login-dev-info code { font-family: var(--font-mono); font-weight: 600; }
.login-form-footer { margin-top: 1.5rem; text-align: center; }
.login-aviso { display: flex; align-items: center; justify-content: center; gap: .375rem; font-size: .8125rem; color: var(--color-gray-400); }
.login-aviso svg { width: 14px; height: 14px; }

/* --------------------------------------------------------
   DASHBOARD
   -------------------------------------------------------- */
.dashboard-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.dashboard-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
.dashboard-col { display: flex; flex-direction: column; gap: 1.5rem; }

.dashboard-card {
    background: #fff; border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg); overflow: hidden;
}
.dashboard-card-header { display: flex; align-items: flex-start; gap: 1rem; padding: 1.25rem 1.25rem .75rem; }
.dashboard-card-icon {
    width: 44px; height: 44px; border-radius: var(--border-radius);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.dashboard-card-icon svg { width: 22px; height: 22px; }
.dashboard-card-icon-blue   { background: var(--color-primary-light); color: var(--color-primary); }
.dashboard-card-icon-green  { background: var(--color-success-light); color: var(--color-success); }
.dashboard-card-icon-purple { background: #EDE9FE; color: #7C3AED; }
.dashboard-card-icon-amber  { background: var(--color-warning-light); color: var(--color-warning); }
.dashboard-card-label { font-size: .8125rem; color: var(--color-gray-500); margin-bottom: .25rem; }
.dashboard-card-valor { font-size: 1.75rem; font-weight: 700; color: var(--color-gray-900); line-height: 1.2; }
.dashboard-card-sub { font-size: .8rem; color: var(--color-gray-400); margin-top: .2rem; }
.dashboard-card-link { display: block; padding: .625rem 1.25rem; border-top: 1px solid var(--color-gray-100); font-size: .8125rem; font-weight: 500; color: var(--color-primary); background: var(--color-gray-50); }
.dashboard-card-link:hover { text-decoration: none; background: var(--color-primary-light); }

/* Distribución */
.dist-section { margin-bottom: 1rem; }
.dist-label { font-size: .8125rem; font-weight: 600; color: var(--color-gray-600); margin-bottom: .5rem; }
.dist-barra { display: flex; height: 8px; border-radius: 100px; overflow: hidden; background: var(--color-gray-100); margin-bottom: .375rem; }
.dist-barra-fill { height: 100%; transition: width .5s ease; }
.dist-barra-blue   { background: var(--color-primary); }
.dist-barra-purple { background: #7C3AED; }
.dist-barra-green  { background: var(--color-success); }
.dist-barra-amber  { background: var(--color-warning); }
.dist-legend { display: flex; gap: 1rem; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: .375rem; font-size: .8125rem; color: var(--color-gray-600); }
.legend-item::before { content: ''; width: 10px; height: 10px; border-radius: 2px; }
.legend-blue::before   { background: var(--color-primary); }
.legend-purple::before { background: #7C3AED; }
.legend-green::before  { background: var(--color-success); }
.legend-amber::before  { background: var(--color-warning); }
.dist-item { display: flex; align-items: center; gap: .75rem; margin-bottom: .5rem; font-size: .875rem; }
.dist-item-label { width: 160px; flex-shrink: 0; color: var(--color-gray-600); font-size: .8125rem; }
.dist-item-barra { flex: 1; height: 6px; background: var(--color-gray-100); border-radius: 100px; overflow: hidden; }
.dist-item-fill { height: 100%; background: var(--color-primary); border-radius: 100px; }
.dist-item-valor { width: 80px; flex-shrink: 0; text-align: right; font-size: .8rem; color: var(--color-gray-500); }

/* API stats */
.api-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; margin-bottom: 1rem; }
.api-stat { text-align: center; padding: .75rem; background: var(--color-gray-50); border-radius: var(--border-radius); }
.api-stat-valor { font-size: 1.375rem; font-weight: 700; }
.api-stat-label { font-size: .75rem; color: var(--color-gray-500); margin-top: .2rem; }
.api-tempo { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1rem; }
.api-tempo-item { display: flex; justify-content: space-between; font-size: .875rem; }
.api-tempo-label { color: var(--color-gray-500); }
.api-tempo-valor { font-weight: 500; }
.top-endpoints { margin-top: .75rem; }
.top-label { font-size: .75rem; font-weight: 600; color: var(--color-gray-500); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .5rem; }
.top-endpoint-item { display: flex; justify-content: space-between; align-items: center; padding: .375rem 0; border-bottom: 1px solid var(--color-gray-100); font-size: .8125rem; }
.endpoint-path { color: var(--color-gray-700); }
.endpoint-total { font-weight: 600; color: var(--color-gray-900); }

/* IPs sospechosas */
.ips-suspeitos-lista { display: flex; flex-direction: column; gap: .625rem; }
.ip-suspeito-item { background: var(--color-danger-light); border-radius: var(--border-radius); padding: .625rem .875rem; }
.ip-suspeito-info { display: flex; justify-content: space-between; align-items: center; }
.ip-suspeito-addr { font-family: var(--font-mono); font-size: .875rem; font-weight: 600; color: #991B1B; }
.ip-suspeito-tentativas { font-size: .8125rem; font-weight: 700; }
.ip-suspeito-datas { font-size: .75rem; margin-top: .25rem; }

/* Links rápidos */
.quick-links { display: flex; flex-direction: column; }
.quick-link { display: flex; align-items: center; gap: .75rem; padding: .75rem 1.25rem; color: var(--color-gray-700); border-bottom: 1px solid var(--color-gray-100); transition: var(--transition); }
.quick-link:last-child { border-bottom: none; }
.quick-link:hover { background: var(--color-gray-50); text-decoration: none; color: var(--color-primary); }
.quick-link svg { width: 18px; height: 18px; color: var(--color-gray-400); flex-shrink: 0; }
.quick-link:hover svg { color: var(--color-primary); }
.quick-link span:not(.quick-link-badge) { flex: 1; font-size: .9375rem; font-weight: 500; }
.quick-link-badge { font-size: .75rem; color: var(--color-gray-500); background: var(--color-gray-100); padding: .2rem .5rem; border-radius: 100px; }

/* --------------------------------------------------------
   FILTROS
   -------------------------------------------------------- */
.filtros-panel {
    background: #fff; border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    padding: 1rem 1.25rem; margin-bottom: 1.25rem;
}
.filtros-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .75rem 1rem; margin-bottom: .75rem; }
.filtros-actions { display: flex; gap: .5rem; align-items: center; }
.filtros-busca { display: flex; gap: .75rem; align-items: flex-end; }
.filtros-busca .form-group { flex: 1; margin: 0; }

/* --------------------------------------------------------
   ESTADO VACÍO
   -------------------------------------------------------- */
.empty-state {
    text-align: center; padding: 3rem 1.5rem;
    background: #fff; border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    margin-bottom: 1.5rem;
}
.empty-state-icon { margin-bottom: 1rem; }
.empty-state-icon svg { width: 56px; height: 56px; color: var(--color-gray-300); margin: 0 auto; }
.empty-state-title { font-size: 1.125rem; font-weight: 600; color: var(--color-gray-700); margin-bottom: .5rem; }
.empty-state-text { font-size: .9375rem; color: var(--color-gray-500); margin-bottom: 1.25rem; }
.empty-state-sm { padding: 1.5rem; text-align: center; color: var(--color-gray-500); font-size: .9rem; }

/* --------------------------------------------------------
   DETALLES DEL CÁLCULO (modal histórico)
   -------------------------------------------------------- */
.detalhe-header { margin-bottom: 1.25rem; }
.detalhe-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .625rem; margin-bottom: 1rem; }
.detalhe-info-grid > div { display: flex; flex-direction: column; gap: 2px; }
.detalhe-metricas { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; margin-bottom: 1.25rem; }
.detalhe-section-title { font-size: .9rem; font-weight: 600; color: var(--color-gray-600); text-transform: uppercase; letter-spacing: .05em; margin: 1rem 0 .625rem; }
.memorial-lista { display: flex; flex-direction: column; gap: .375rem; }

/* --------------------------------------------------------
   NOVA API KEY ALERT
   -------------------------------------------------------- */
.alert-nova-key {
    background: #ECFDF5; border: 2px solid #059669;
    border-radius: var(--border-radius-lg);
    padding: 1.25rem; margin-bottom: 1.5rem;
}
.nova-key-header { display: flex; align-items: flex-start; gap: .75rem; margin-bottom: 1rem; }
.nova-key-icon { width: 24px; height: 24px; color: #059669; flex-shrink: 0; }
.nova-key-titulo { font-size: .9375rem; font-weight: 600; color: #064E3B; }
.nova-key-aviso { font-size: .875rem; color: #065F46; margin-top: .25rem; }
.nova-key-wrapper { display: flex; align-items: center; gap: .75rem; background: #fff; border: 1px solid #A7F3D0; border-radius: var(--border-radius); padding: .75rem 1rem; margin-bottom: .75rem; }
.nova-key-valor { flex: 1; font-family: var(--font-mono); font-size: .8rem; color: #065F46; word-break: break-all; background: none; border: none; }
.nova-key-exemplo { font-size: .8125rem; }
.code-block { display: block; background: var(--color-gray-100); border-radius: var(--border-radius); padding: .5rem .75rem; font-family: var(--font-mono); font-size: .8rem; color: var(--color-gray-700); word-break: break-all; margin-top: .375rem; }

/* --------------------------------------------------------
   PERMISSÕES
   -------------------------------------------------------- */
.permissoes-checkboxes { display: flex; flex-direction: column; gap: .625rem; }
.permissao-badge { display: inline-flex; align-items: center; padding: .2rem .5rem; background: var(--color-primary-light); color: var(--color-primary-dark); border-radius: 100px; font-size: .75rem; font-weight: 600; margin-right: .25rem; }
.permissoes-lista { display: flex; flex-wrap: wrap; gap: .25rem; }
.key-nome { font-weight: 500; color: var(--color-gray-800); }
.key-mascarada { color: var(--color-gray-600); }

/* --------------------------------------------------------
   USUARIO ADMIN — varios componentes
   -------------------------------------------------------- */
.usuario-info { display: flex; align-items: center; gap: .625rem; }
.usuario-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--color-primary-light); color: var(--color-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: .8125rem; font-weight: 700; flex-shrink: 0;
}
.usuario-nome { font-weight: 500; color: var(--color-gray-800); }
.badge-voce { font-size: .7rem; font-weight: 600; background: var(--color-primary-light); color: var(--color-primary); padding: .1rem .4rem; border-radius: 100px; margin-left: .375rem; }

/* Produto cell */
.produto-cell { display: flex; flex-direction: column; gap: 2px; }
.produto-nome { font-weight: 500; color: var(--color-gray-800); }
.produto-desc { display: block; }

/* Estado info header */
.estado-info-header { display: flex; align-items: center; gap: .875rem; background: var(--color-gray-50); border-radius: var(--border-radius); padding: .875rem 1rem; margin-bottom: 1.25rem; }
.estado-uf-display {
    width: 52px; height: 40px;
    background: var(--color-primary); color: #fff;
    border-radius: var(--border-radius); display: flex;
    align-items: center; justify-content: center;
    font-size: 1.0625rem; font-weight: 700;
    font-family: var(--font-mono);
}

/* Referencia tributaria */
.ref-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.ref-item { padding: .875rem; background: var(--color-gray-50); border-radius: var(--border-radius); border-left: 3px solid var(--color-primary); }
.ref-label { font-size: .8125rem; color: var(--color-gray-500); margin-bottom: .25rem; }
.ref-valor { font-size: 1rem; font-weight: 600; color: var(--color-gray-900); margin-bottom: .25rem; }
.ref-sub { font-size: .8125rem; color: var(--color-gray-600); line-height: 1.5; }

/* Info badge */
.info-badge { display: flex; align-items: center; gap: .375rem; font-size: .8125rem; color: var(--color-gray-600); background: var(--color-gray-100); border-radius: var(--border-radius); padding: .5rem .875rem; }
.info-badge svg { width: 15px; height: 15px; color: var(--color-info); flex-shrink: 0; }
.icon-check { width: 16px; height: 16px; }

/* Modo badges en tabla */
.modo-badge-sm { display: inline-flex; align-items: center; padding: .2rem .5rem; border-radius: 100px; font-size: .75rem; font-weight: 600; }
.modo-direto  { background: #EFF6FF; color: #1E40AF; }
.modo-inverso { background: #EDE9FE; color: #5B21B6; }

/* Origen badge */
.origem-badge { display: inline-flex; align-items: center; padding: .2rem .5rem; border-radius: 100px; font-size: .75rem; font-weight: 600; }
.origem-web { background: var(--color-success-light); color: #166534; }
.origem-api { background: var(--color-primary-light); color: var(--color-primary-dark); }

/* Loading */
.loading-spinner {
    display: flex; align-items: center; justify-content: center;
    gap: .625rem; padding: 2rem; color: var(--color-gray-500); font-size: .9375rem;
}
.loading-spinner svg { width: 20px; height: 20px; }

/* Tooltip */
.tooltip {
    position: absolute;
    background: var(--color-gray-900); color: #fff;
    padding: .375rem .625rem; border-radius: var(--border-radius-sm);
    font-size: .8125rem; white-space: nowrap;
    pointer-events: none; z-index: 9999;
}

/* Footer */
.footer {
    background: var(--color-gray-900);
    border-top: 1px solid rgba(255,255,255,.06);
    padding: .875rem 0;
    margin-top: auto;
}
.footer-container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }
.footer-empresa { font-size: .875rem; font-weight: 600; color: rgba(255,255,255,.8); }
.footer-separator { color: rgba(255,255,255,.2); }
.footer-regime, .footer-version { font-size: .8125rem; color: rgba(255,255,255,.4); }
.footer-aviso { font-size: .8125rem; color: rgba(255,255,255,.3); font-style: italic; }

/* --------------------------------------------------------
   RESPONSIVE
   -------------------------------------------------------- */
@media (max-width: 1200px) {
    .calc-layout { grid-template-columns: 400px 1fr; }
    .dashboard-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .stats-grid-5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
    .calc-layout { grid-template-columns: 1fr; }
    .calc-form-panel { position: static; }
    .dashboard-grid-2 { grid-template-columns: 1fr; }
    .ref-grid { grid-template-columns: 1fr; }
    .login-wrapper { grid-template-columns: 1fr; }
    .login-branding { display: none; }
}

@media (max-width: 768px) {
    .navbar-menu { display: none; flex-direction: column; position: absolute; top: var(--navbar-height); left: 0; right: 0; background: var(--color-gray-900); padding: .5rem; z-index: 999; }
    .navbar-menu.open { display: flex; }
    .navbar-toggle { display: flex; }
    .navbar-user { display: flex; }
    .navbar-user-name { display: none; }
    .navbar-user-perfil { display: none; }
    .page-header { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }
    .result-metricas { grid-template-columns: 1fr; }
    .dashboard-grid-4, .stats-grid, .stats-grid-5 { grid-template-columns: repeat(2, 1fr); }
    .api-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .filtros-grid { grid-template-columns: repeat(2, 1fr); }
    .detalhe-info-grid, .detalhe-metricas, .rentabilidade-grid { grid-template-columns: 1fr; }
    .modo-toggle-wrapper { width: 100%; }
    .modo-toggle { flex-direction: column; width: 100%; }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .dashboard-grid-4, .stats-grid, .stats-grid-5 { grid-template-columns: 1fr; }
    .modal { max-width: 100%; border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0; }
    .modal-overlay { align-items: flex-end; padding: 0; }
    .paginacao { flex-direction: column; text-align: center; }

/* --------------------------------------------------------
   USUARIO EN MENÚ MÓVIL
   -------------------------------------------------------- */
.navbar-item-mobile-user {
    display: none;
    flex-direction: column;
    border-top: 1px solid rgba(255,255,255,.1);
    margin-top: .5rem;
    padding-top: .5rem;
    list-style: none;
}

.navbar-mobile-user-info {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .5rem .75rem;
    margin-bottom: .25rem;
}

.navbar-link-logout {
    color: #FCA5A5 !important;
}

.navbar-link-logout:hover {
    background: rgba(220,38,38,.2) !important;
    color: #FCA5A5 !important;
}

@media (max-width: 768px) {
    .navbar-item-mobile-user {
        display: flex;
    }
}

/* --------------------------------------------------------
   BASE LEGAL E ALÍQUOTAS (Opción A)
   -------------------------------------------------------- */
.base-legal-wrapper {
    padding: .75rem 0;
}

.base-legal-secao {
    margin-bottom: 1rem;
}

.base-legal-titulo {
    font-size: .8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--color-gray-500);
    margin-bottom: .5rem;
    padding-bottom: .375rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.base-legal-tabela {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}

.base-legal-tabela tr:hover td {
    background: var(--color-gray-50);
}

.base-legal-tabela td {
    padding: .375rem .5rem;
    border-bottom: 1px solid var(--color-gray-100);
    vertical-align: top;
}

.bl-label {
    color: var(--color-gray-500);
    font-size: .8125rem;
    width: 180px;
    flex-shrink: 0;
}

.bl-valor {
    font-weight: 500;
    color: var(--color-gray-800);
    width: 100px;
}

.bl-base {
    color: var(--color-gray-400);
    font-size: .8rem;
}

/* --------------------------------------------------------
   COMPROVANTE — Modal (Opción B)
   -------------------------------------------------------- */
.comprovante {
    font-size: .875rem;
}

.comprovante-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--color-primary);
}

.comprovante-titulo strong {
    font-size: 1rem;
    color: var(--color-primary-dark);
    display: block;
}

.comprovante-subtitulo {
    font-size: .8125rem;
    color: var(--color-gray-500);
    margin-top: .25rem;
}

.comprovante-meta {
    text-align: right;
    font-size: .8125rem;
    color: var(--color-gray-500);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.comprovante-secao {
    margin-bottom: 1.25rem;
}

.comprovante-secao-titulo {
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--color-gray-600);
    background: var(--color-gray-50);
    padding: .375rem .75rem;
    margin-bottom: .75rem;
    border-left: 3px solid var(--color-primary);
}

.comprovante-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .625rem;
}

.comprovante-campo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cc-label {
    font-size: .75rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: .03em;
}

.cc-valor {
    font-size: .875rem;
    font-weight: 500;
    color: var(--color-gray-800);
}

.destaque-verde {
    color: var(--color-success);
    font-weight: 700;
}

.comprovante-tabela {
    width: 100%;
    border-collapse: collapse;
    font-size: .8125rem;
}

.comprovante-tabela th {
    background: var(--color-gray-100);
    padding: .5rem .75rem;
    text-align: left;
    font-size: .75rem;
    font-weight: 600;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 1px solid var(--color-gray-200);
}

.comprovante-tabela td {
    padding: .5rem .75rem;
    border-bottom: 1px solid var(--color-gray-100);
    vertical-align: middle;
}

.comprovante-total td {
    background: var(--color-primary-light);
    font-weight: 700;
    border-top: 2px solid var(--color-primary);
}

.comprovante-row-na td {
    color: var(--color-gray-400);
}

.comprovante-nota {
    font-size: .8125rem;
    color: #92400E;
    background: var(--color-warning-light);
    border: 1px solid var(--color-warning);
    border-radius: var(--border-radius);
    padding: .5rem .875rem;
    margin-top: .625rem;
}

.comprovante-memorial-passo {
    display: flex;
    gap: .75rem;
    padding: .5rem 0;
    border-bottom: 1px solid var(--color-gray-100);
    align-items: flex-start;
    font-size: .875rem;
}

.comp-memorial-num {
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.comp-memorial-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.comp-memorial-body strong { font-size: .875rem; }
.comp-memorial-body span   { font-size: .8rem; color: var(--color-gray-500); }
.comp-memorial-body code   {
    font-family: var(--font-mono);
    font-size: .8rem;
    color: var(--color-gray-600);
}

.comp-memorial-resultado {
    font-size: .9375rem;
    font-weight: 600;
    white-space: nowrap;
    color: var(--color-gray-900);
}

.comprovante-footer {
    margin-top: 1.25rem;
    padding-top: .75rem;
    border-top: 1px solid var(--color-gray-200);
    font-size: .8125rem;
    color: var(--color-gray-400);
    text-align: center;
    font-style: italic;
}
}