/* Biocognitiva Design System - Light & Dark Theme */
:root {
    /* Light theme (default) */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-tertiary: #F0F2F5;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F8F9FA;
    --bg-input: #F8F9FA;
    --border: #E0E0E0;
    --text-primary: #1A3A52;
    --text-secondary: #5A7080;
    --text-muted: #8A9BA8;
    --text-light: #D0D5DB;
    
    /* Biocognitiva brand colors */
    --bio-green: #7BC000;
    --bio-green-light: #A8D631;
    --bio-green-dark: #5FA000;
    --bio-navy: #1A3A52;
    --bio-navy-light: #2D5A78;
    
    /* Status colors */
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    
    /* Shadows */
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    
    /* Spacing & Sizing */
    --sidebar-w: 260px;
    --topbar-h: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark theme */
[data-theme="dark"] {
    --bg-primary: #0F172A;
    --bg-secondary: #1A2A42;
    --bg-tertiary: #222F48;
    --bg-card: #1A2A42;
    --bg-card-hover: #252F48;
    --bg-input: #101820;
    --border: #2D3F5A;
    --text-primary: #E8EDF5;
    --text-secondary: #A8B8C8;
    --text-muted: #6A7A88;
    --text-light: #3A4A58;
}

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

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.45;
    letter-spacing: 0.01em;
    transition: background var(--transition), color var(--transition);
}

a {
    color: var(--bio-green);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--bio-green-light);
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--bio-green);
}

.theme-toggle i {
    font-size: 1.2rem;
    color: var(--bio-green);
}

/* ============ AUTH PAGE ============ */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: linear-gradient(135deg, var(--bio-navy) 0%, #2D5A78 50%, var(--bio-navy) 100%);
    position: relative;
}

.auth-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(123, 192, 0, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(45, 90, 120, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.auth-card {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 48px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    z-index: 10;
    position: relative;
    border: 1px solid var(--border);
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.auth-logo img {
    height: 48px;
    object-fit: contain;
}

.auth-logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
}

.auth-logo h1 b {
    color: var(--bio-green);
}

.auth-logo p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.auth-form {
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group label i {
    color: var(--bio-green);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--bio-green);
    background: var(--bg-card);
    box-shadow: 0 0 0 3px rgba(123, 192, 0, 0.1);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.auth-footer p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--bio-green);
    font-weight: 600;
}

.auth-footer a:hover {
    color: var(--bio-green-light);
}

.demo-credentials {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-top: 20px;
    font-size: 0.8rem;
}

.demo-credentials p {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.demo-credentials p::before {
    content: "💡";
}

.demo-credentials small {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 6px;
    padding-left: 16px;
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--bio-green);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(123, 192, 0, 0.3);
}

.btn-primary:hover {
    background: var(--bio-green-light);
    box-shadow: 0 6px 16px rgba(123, 192, 0, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--bio-green);
    color: var(--bio-green);
}

.btn-outline:hover {
    background: rgba(123, 192, 0, 0.1);
}

.btn-danger {
    background: var(--danger);
    color: #FFFFFF;
}

.btn-success {
    background: var(--success);
    color: #FFFFFF;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ============ FLASH MESSAGES ============ */
.flash {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease-out;
}

.flash-success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border-left-color: var(--success);
}

.flash-error {
    background: rgba(239, 68, 68, 0.1);
    color: #B91C1C;
    border-left-color: var(--danger);
}

.flash-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #B45309;
    border-left-color: var(--warning);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============ SIDEBAR ============ */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-w);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 22px 20px;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo i {
    font-size: 1.4rem;
    color: var(--bio-green);
}

.logo b {
    color: var(--bio-green);
}

.sidebar-toggle {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 8px;
    border-radius: var(--radius-sm);
}

.sidebar-user {
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--bio-green), var(--bio-green-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    flex-shrink: 0;
}

.user-info {
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-name {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.74rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.7px;
}

.sidebar-menu {
    list-style: none;
    padding: 14px 10px;
    flex: 1;
    overflow-y: auto;
}

.sidebar-menu li {
    margin-bottom: 2px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: rgba(123, 192, 0, 0.1);
    color: var(--bio-green);
}

.sidebar-menu a.active {
    font-weight: 600;
    box-shadow: inset -2px 0 0 var(--bio-green);
}

.sidebar-menu i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

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

.topbar {
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow);
}

.page-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.content-area {
    padding: 28px 32px;
    max-width: 1400px;
    margin: 0 auto;
}

/* ============ CARDS ============ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.card:hover {
    border-color: var(--bio-green);
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(to right, rgba(123, 192, 0, 0.05), transparent);
}

.card-header h2 {
    font-size: 1.05rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.card-header h2 i {
    color: var(--bio-green);
}

.card-body {
    padding: 22px 24px;
}

.flash-messages {
    padding: 0 32px;
    margin-top: 12px;
}

/* ============ STATS ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.stat-green .stat-icon {
    background: rgba(123, 192, 0, 0.15);
    color: var(--bio-green);
}

.stat-blue .stat-icon {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.stat-orange .stat-icon {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.stat-info h3 {
    font-size: 1.7rem;
    font-weight: 800;
    line-height: 1;
    color: var(--text-primary);
}

.stat-info p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ============ TABLES ============ */
table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border);
}

th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

tbody tr:hover {
    background: var(--bg-card-hover);
}

/* Row selection & checkboxes */
.checkbox-cell {
    width: 48px;
    text-align: center;
}

.custom-checkbox {
    position: relative;
    display: inline-block;
    width: 20px;
    height: 20px;
}

.custom-checkbox input {
    opacity: 0;
    width: 0;
    height: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
}

.custom-checkbox:hover input ~ .checkmark {
    border-color: var(--bio-green);
}

.custom-checkbox input:checked ~ .checkmark {
    background-color: var(--bio-green);
    border-color: var(--bio-green);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.custom-checkbox input:checked ~ .checkmark:after {
    display: block;
}

.custom-checkbox .checkmark:after {
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Bulk actions bar */
.bulk-actions-bar {
    position: fixed;
    bottom: 24px;
    left: calc(var(--sidebar-w) + 32px);
    right: 32px;
    background: var(--bio-navy);
    color: white;
    padding: 16px 24px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
}

.bulk-actions-bar.active {
    transform: translateY(0);
    opacity: 1;
}

.bulk-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.bulk-info span {
    font-weight: 600;
}

.bulk-buttons {
    display: flex;
    gap: 12px;
}

.btn-bulk {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-bulk:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
}

/* Row actions */
.actions-cell {
    width: 120px;
    text-align: right;
    white-space: nowrap;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-icon.edit:hover {
    color: var(--info);
    border-color: var(--info);
    background: rgba(59, 130, 246, 0.1);
}

.btn-icon.delete:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.btn-icon.duplicate:hover {
    color: var(--bio-green);
    border-color: var(--bio-green);
    background: rgba(123, 192, 0, 0.1);
}

/* Badges */
.badge {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-ativo, .badge-success { background: rgba(16, 185, 129, 0.1); color: #059669; }
.badge-inativo, .badge-danger { background: rgba(239, 68, 68, 0.1); color: #B91C1C; }
.badge-afastado, .badge-warning { background: rgba(245, 158, 11, 0.1); color: #B45309; }
.badge-pendente { background: rgba(59, 130, 246, 0.1); color: #1D4ED8; }


/* Table UI Utils */
.user-meta { display: flex; flex-direction: column; }
.user-name-bold { font-weight: 700; color: var(--text-primary); }
.user-sub { font-size: 0.75rem; color: var(--text-muted); }

.tag {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.empty-state {
    text-align: center;
    padding: 64px 0 !important;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.3;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 24px;
    flex-wrap: wrap;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 24px;
    flex: 1;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--bio-green);
    box-shadow: 0 0 0 3px rgba(123, 192, 0, 0.1);
    outline: none;
}


.actions-group {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ============ RESPONSIVE ============ */

@media (max-width: 768px) {
    .auth-card {
        padding: 32px 24px;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .content-area {
        padding: 16px 20px;
    }

    .topbar {
        padding: 0 16px;
    }

    .flash-messages {
        padding: 0 16px;
    }

    .grid-2 {
        grid-template-columns: 1fr !important;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }
}