/* ============================================================
   FOLHA DE PAGAMENTO - L.C. AMARAL LIMA - ME
   Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --primary: #1a56db;
    --primary-dark: #1040a0;
    --primary-light: #e8effc;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --success: #059669;
    --danger: #dc2626;
    --warning: #f59e0b;
    --info: #0891b2;
    --bg: #f1f5f9;
    --bg-card: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
    --radius: 10px;
    --radius-sm: 6px;
    --font: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --sidebar-width: 260px;
    --header-height: 64px;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
    position: fixed;
    left: 0; top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, #0f2d5c 0%, #1a3f7a 100%);
    color: #fff;
    z-index: 100;
    overflow-y: auto;
    transition: transform 0.3s;
}

.sidebar-brand {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.sidebar-brand h2 {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.sidebar-brand small {
    font-size: 11px;
    opacity: 0.6;
    display: block;
    margin-top: 4px;
    font-family: var(--font-mono);
}

.sidebar-nav {
    padding: 16px 12px;
}

.sidebar-nav .nav-section {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.4);
    padding: 16px 12px 6px;
    font-weight: 600;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.2s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(255,255,255,0.12);
    color: #fff;
}

.sidebar-nav a.active {
    background: var(--primary);
    box-shadow: 0 2px 8px rgba(26,86,219,0.4);
}

.sidebar-nav a svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.top-bar {
    height: var(--header-height);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.top-bar h1 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

.top-bar .user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.top-bar .user-info .avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
}

.content-area {
    padding: 28px;
}

/* ============================================================
   CARDS & STATS
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.stat-card.blue::before { background: var(--primary); }
.stat-card.green::before { background: var(--success); }
.stat-card.amber::before { background: var(--accent); }
.stat-card.red::before { background: var(--danger); }
.stat-card.info::before { background: var(--info); }

.stat-card .label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 600;
}

.stat-card .value {
    font-size: 26px;
    font-weight: 700;
    margin-top: 6px;
    font-family: var(--font-mono);
}

.stat-card.blue .value { color: var(--primary); }
.stat-card.green .value { color: var(--success); }
.stat-card.amber .value { color: var(--accent-dark); }
.stat-card.red .value { color: var(--danger); }

/* ============================================================
   DATA CARD (table wrapper)
   ============================================================ */
.data-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin-bottom: 24px;
    overflow: hidden;
}

.data-card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.data-card-header h2 {
    font-size: 16px;
    font-weight: 700;
}

.data-card-body {
    padding: 22px;
}

/* ============================================================
   TABLES
   ============================================================ */
.table-responsive {
    overflow-x: auto;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

table.data-table thead th {
    background: #f8fafc;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

table.data-table tbody td {
    padding: 11px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

table.data-table tbody tr:hover {
    background: #f8fafc;
}

table.data-table tbody tr:last-child td {
    border-bottom: none;
}

table.data-table .text-right {
    text-align: right;
    font-family: var(--font-mono);
    font-size: 13px;
}

table.data-table .text-center { text-align: center; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; }

.btn-success {
    background: var(--success);
    color: #fff;
}
.btn-success:hover { background: #047857; color: #fff; }

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover { background: #b91c1c; color: #fff; }

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text);
}
.btn-outline:hover { background: var(--bg); border-color: var(--text-muted); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 14px;
    color: var(--text);
    background: #fff;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success { background: #ecfdf5; color: #059669; }
.badge-danger  { background: #fef2f2; color: #dc2626; }
.badge-warning { background: #fffbeb; color: #d97706; }
.badge-info    { background: #ecfeff; color: #0891b2; }
.badge-primary { background: var(--primary-light); color: var(--primary); }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
    font-size: 13.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger  { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.alert-info    { background: #ecfeff; color: #155e75; border: 1px solid #a5f3fc; }

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f2d5c 0%, #1a56db 50%, #0891b2 100%);
    padding: 20px;
}

.login-card {
    background: #fff;
    padding: 48px 40px;
    border-radius: 16px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.25);
    width: 100%;
    max-width: 420px;
}

.login-card h1 {
    font-size: 22px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 6px;
}

.login-card .subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 32px;
}

.login-card .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    margin-top: 8px;
}

/* ============================================================
   CONTRACHEQUE (RECIBO DE PAGAMENTO)
   ============================================================ */
.recibo {
    background: #fff;
    border: 2px solid #333;
    padding: 24px;
    font-size: 12px;
    font-family: var(--font);
    max-width: 800px;
    margin: 0 auto;
}

.recibo-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 2px solid #333;
    padding-bottom: 12px;
    margin-bottom: 12px;
}

.recibo table {
    width: 100%;
    border-collapse: collapse;
}

.recibo table th,
.recibo table td {
    border: 1px solid #999;
    padding: 5px 8px;
    font-size: 11px;
}

.recibo table th {
    background: #e2e8f0;
    font-weight: 700;
    text-transform: uppercase;
}

.recibo-footer {
    margin-top: 16px;
    display: flex;
    justify-content: space-between;
    border-top: 2px solid #333;
    padding-top: 12px;
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
    .sidebar, .top-bar, .no-print { display: none !important; }
    .main-content { margin-left: 0 !important; }
    .content-area { padding: 0 !important; }
    .recibo { border: 2px solid #000; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .content-area {
        padding: 16px;
    }
    .hamburger {
        display: block !important;
    }
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger svg {
    width: 24px;
    height: 24px;
    color: var(--text);
}

/* ============================================================
   MISC / UTILITIES
   ============================================================ */
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger) !important; }
.text-muted   { color: var(--text-muted) !important; }
.text-right   { text-align: right; }
.text-center  { text-align: center; }
.fw-bold      { font-weight: 700; }
.mono         { font-family: var(--font-mono); }
.mt-2         { margin-top: 16px; }
.mb-2         { margin-bottom: 16px; }
.mb-3         { margin-bottom: 24px; }
.d-flex       { display: flex; }
.gap-2        { gap: 12px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap    { flex-wrap: wrap; }

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}
.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    opacity: 0.4;
}

/* Overlay for mobile sidebar */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}
.sidebar-overlay.active {
    display: block;
}