/* =====================================================
   Reforço Negreiros — tema claro, mobile-first
   ===================================================== */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --success: #16a34a;
    --success-light: #dcfce7;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --text: #111827;
    --text-light: #6b7280;
    --text-soft: #9ca3af;
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --bg: #f9fafb;
    --card: #ffffff;
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 14px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,.08);
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 14px;
    --sidebar-w: 240px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }

/* ===== AUTH ===== */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    padding: 16px;
}

.auth-card {
    background: var(--card);
    width: 100%;
    max-width: 480px;
    padding: 28px 22px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.auth-card.wide { max-width: 720px; }
.auth-card.cadastro-card { max-width: 920px; }

.auth-logo { text-align: center; margin-bottom: 22px; }

.auth-brand-logo,
.sidebar-logo,
.portal-logo,
.doc-logo,
.receipt-logo { object-fit: contain; }

.auth-brand-logo {
    width: 110px;
    max-height: 80px;
    margin: 0 auto 12px;
}

.auth-logo h1 {
    color: var(--primary);
    font-size: 24px;
}
.auth-logo p {
    color: var(--text-light);
    font-size: 14px;
    margin-top: 4px;
}

.auth-tabs {
    display: flex;
    margin-bottom: 22px;
    border-bottom: 2px solid var(--border);
}
.auth-tab {
    flex: 1;
    padding: 11px 8px;
    text-align: center;
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 14px;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all .15s;
}
.auth-tab.active {
    color: var(--primary);
    border-color: var(--primary);
}

/* ===== FORMS ===== */
.form-group { margin-bottom: 14px; }

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}
.form-row .span-2 { grid-column: span 2; }

label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
}
label .req { color: var(--danger); }

input, select, textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 16px; /* 16px evita zoom no iOS */
    font-family: inherit;
    background: #fff;
    color: var(--text);
    transition: border-color .15s, box-shadow .15s;
}

@media (min-width: 600px) {
    input, select, textarea { font-size: 15px; }
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

input[readonly], input:disabled { background: #f3f4f6; color: var(--text-light); }

textarea { min-height: 88px; resize: vertical; }

/* Select com busca embutida */
.search-select {
    position: relative;
}
.search-select-input {
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%236b7280'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 32px;
}
.search-select-list {
    display: none;
    position: absolute;
    z-index: 120;
    left: 0;
    right: 0;
    top: calc(100% + 4px);
    max-height: 240px;
    overflow-y: auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
}
.search-select.open .search-select-list { display: block; }
.search-select-option {
    display: block;
    width: 100%;
    padding: 10px 12px;
    border: 0;
    background: #fff;
    color: var(--text);
    text-align: left;
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
}
.search-select-option:hover,
.search-select-option.selected {
    background: var(--primary-light);
    color: var(--primary-dark);
}
.search-select-empty { padding: 10px 12px; color: var(--text-light); font-size: 14px; }
.native-select-hidden { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.actions-cell .search-select { min-width: 145px; max-width: 180px; }
.actions-cell .search-select-input { padding: 6px 28px 6px 8px; font-size: 13px; }

/* ===== BOTÕES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.2;
    background: var(--primary);
    color: #fff;
    transition: transform .05s, background .15s, box-shadow .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-block { width: 100%; }
.btn-secondary { background: #6b7280; }
.btn-secondary:hover { background: #4b5563; }
.btn-success { background: var(--success); }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d97706; }
.btn-outline { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { background: var(--bg); border-color: var(--text-light); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-xs { padding: 4px 8px; font-size: 12px; }

/* ===== ALERTS ===== */
.alert {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
    border: 1px solid transparent;
}
.alert-error { background: var(--danger-light); color: var(--danger); border-color: #fca5a5; }
.alert-success { background: var(--success-light); color: var(--success); border-color: #86efac; }
.alert-info { background: var(--primary-light); color: var(--primary-dark); border-color: #93c5fd; }
.alert-warning { background: var(--warning-light); color: #92400e; border-color: #fcd34d; }

/* ===== APP LAYOUT ===== */
.app { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w);
    background: #fff;
    border-right: 1px solid var(--border);
    padding: 18px 0;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    transition: transform .25s ease;
    z-index: 100;
}
.sidebar-header {
    padding: 0 18px 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 10px;
}
.sidebar-logo {
    width: 88px;
    max-height: 56px;
    margin-bottom: 8px;
}
.sidebar-header h2 {
    color: var(--primary);
    font-size: 17px;
    font-weight: 700;
}
.sidebar-header p {
    color: var(--text-light);
    font-size: 12px;
    margin-top: 2px;
}

.nav a, .nav-submenu summary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    border-left: 3px solid transparent;
    cursor: pointer;
    transition: all .12s;
}
.nav-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    font-size: 14px;
    color: var(--text-light);
}
.nav a:hover, .nav-submenu summary:hover {
    background: var(--bg);
    color: var(--primary);
}
.nav a:hover .nav-ico, .nav-submenu summary:hover .nav-ico { color: var(--primary); }

.nav a.active {
    background: var(--primary-light);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 500;
}
.nav a.active .nav-ico { color: var(--primary); }

.nav-submenu summary {
    justify-content: space-between;
    list-style: none;
}
.nav-submenu summary::-webkit-details-marker { display: none; }
.nav-submenu summary > span:first-child {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.nav-submenu summary.active {
    background: var(--primary-light);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 500;
}
.submenu-arrow {
    font-size: 16px;
    line-height: 1;
    transition: transform .15s;
}
.nav-submenu[open] .submenu-arrow { transform: rotate(90deg); }

.submenu-links { padding: 2px 0 6px; background: #fbfdff; }
.submenu-links a {
    padding-left: 36px;
    font-size: 13px;
}

.nav-section {
    padding: 14px 18px 4px;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-soft);
    font-weight: 600;
    letter-spacing: .5px;
}

.main {
    flex: 1;
    margin-left: var(--sidebar-w);
    padding: 22px;
    min-width: 0;
}

.topbar {
    background: #fff;
    padding: 12px 18px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.topbar h1 {
    font-size: 19px;
    color: var(--text);
    font-weight: 600;
}

.menu-toggle {
    display: none;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    width: 40px;
    height: 40px;
    font-size: 20px;
    cursor: pointer;
    color: var(--text);
    align-items: center;
    justify-content: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text);
}
.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

/* ===== CARDS ===== */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px;
    margin-bottom: 16px;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 10px;
}
.card-header h2 {
    font-size: 16px;
    color: var(--text);
    font-weight: 600;
}

/* ===== STATS ===== */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.stat {
    background: var(--card);
    padding: 16px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
}
.stat-label {
    color: var(--text-light);
    font-size: 12px;
    margin-bottom: 4px;
    font-weight: 500;
}
.stat-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}
.stat.green { border-color: var(--success); }
.stat.orange { border-color: var(--warning); }
.stat.red { border-color: var(--danger); }

.mini-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}
.mini-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
}
.mini-card span {
    display: block;
    color: var(--text-light);
    font-size: 12px;
    margin-bottom: 4px;
}
.mini-card strong { font-size: 16px; color: var(--text); }

/* ===== TABELAS ===== */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: -2px;
    padding: 2px;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    vertical-align: top;
}
th {
    background: var(--bg);
    font-weight: 600;
    color: var(--text);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .3px;
    white-space: nowrap;
}
tbody tr:hover { background: #fafbfc; }
tbody tr:last-child td { border-bottom: 0; }

.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.4;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: #92400e; }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--primary-light); color: var(--primary-dark); }
.badge-neutral { background: #f3f4f6; color: var(--text-light); }

.actions-cell {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* ===== DETALHES (key-value grid) ===== */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}
.detail-item {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    border: 1px solid var(--border-light);
}
.detail-label {
    font-size: 11px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: .4px;
    margin-bottom: 3px;
    font-weight: 600;
}
.detail-value {
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
    word-break: break-word;
}

/* ===== TABS internas ===== */
.tabs-inner {
    display: flex;
    gap: 4px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}
.tab-btn {
    background: none;
    border: none;
    padding: 9px 14px;
    cursor: pointer;
    color: var(--text-light);
    font-size: 13px;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    white-space: nowrap;
    font-family: inherit;
}
.tab-btn.active {
    color: var(--primary);
    border-color: var(--primary);
    font-weight: 500;
}
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===== SEARCH ===== */
.search-box {
    margin-bottom: 14px;
    position: relative;
}
.search-box input { padding-left: 38px; }
.search-box::before {
    content: '🔍';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    pointer-events: none;
}

/* ===== HERO (banners pretos) ===== */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 16px;
    align-items: end;
    background: #0b1120;
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 22px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-lg);
}
.hero-eyebrow {
    color: rgba(255,255,255,.62);
    font-size: 11px;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 6px;
}
.hero h2 { color: #fff; font-size: 28px; line-height: 1.1; margin-bottom: 6px; }
.hero p { color: rgba(255,255,255,.72); max-width: 620px; font-size: 14px; }
.hero-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.hero-actions .btn-secondary { background: #fff; color: var(--text); }
.hero-actions .btn-secondary:hover { background: var(--bg); }

/* ===== MODAL genérico ===== */
.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 320;
    background: rgba(15,23,42,.55);
    padding: 16px;
    overflow-y: auto;
}
.modal-backdrop.show {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 30px;
}
.modal {
    width: min(820px, 100%);
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 70px rgba(15,23,42,.4);
    max-height: calc(100vh - 60px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: #fff;
}
.modal-head h2 { margin: 0; font-size: 17px; }
.modal-close {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    font-size: 22px;
    cursor: pointer;
    line-height: 1;
    color: var(--text);
}
.modal-body {
    padding: 18px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.modal-note {
    color: var(--text-light);
    font-size: 13px;
    margin: 0 0 14px;
}

/* ===== Aluno card (lista de filhos do responsável) ===== */
.aluno-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 12px;
    background: #fbfdff;
}
.aluno-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-light);
    flex-wrap: wrap;
}

.finance-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 8px;
    margin-top: 10px;
}
.finance-summary div {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px;
}
.finance-summary span {
    display: block;
    color: var(--text-light);
    font-size: 11px;
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: .3px;
}
.finance-summary strong { color: var(--text); font-size: 14px; }
.finance-summary .finance-total {
    border-color: var(--primary);
    background: var(--primary-light);
}
.finance-summary .finance-total strong { color: var(--primary-dark); }

.students-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 8px;
    flex-wrap: wrap;
}

/* ===== OVERLAY mobile ===== */
.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 99;
}
.overlay.show { display: block; }

/* ===== RESPONSIVO ===== */
@media (max-width: 900px) {
    :root { --sidebar-w: 260px; }
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; padding: 14px; }
    .menu-toggle { display: inline-flex; }
    .topbar h1 { font-size: 17px; }
    .stat-value { font-size: 20px; }
    .card { padding: 14px; }
    .form-row .span-2 { grid-column: auto; }
    .students-header { align-items: stretch; flex-direction: column; }
    th, td { padding: 8px 8px; font-size: 13px; }

    .hero {
        grid-template-columns: 1fr;
        padding: 18px;
    }
    .hero h2 { font-size: 22px; }
    .hero-actions { justify-content: flex-start; }
}

@media (max-width: 480px) {
    .modal-backdrop { padding: 8px; padding-top: 16px; }
    .modal { border-radius: var(--radius); max-height: calc(100vh - 24px); }
    .user-name { display: none; } /* só avatar no header em telas pequenas */
    .stats { grid-template-columns: 1fr 1fr; gap: 8px; }
    .stat { padding: 12px; }
    .stat-value { font-size: 18px; }
    .stat-label { font-size: 11px; }
    .auth-card { padding: 22px 18px; }
    .nav-section { font-size: 10px; }
}

/* ===== PRINT ===== */
@media print {
    .sidebar, .topbar, .no-print, .actions-cell, .menu-toggle { display: none !important; }
    .main { margin: 0; padding: 0; }
    body { background: #fff; }
    .card { box-shadow: none; border: 1px solid var(--border); }
    .hero { background: var(--bg); color: var(--text); box-shadow: none; border: 1px solid var(--border); }
    .hero h2, .hero p, .hero-eyebrow { color: var(--text); }
}