:root {
    --sidebar-width: 280px;
    --header-height: 70px;

    /* Color Palette - Deep Space Theme */
    --bg-dark: #0f172a;
    --bg-deeper: #020617;
    --bg-card: rgba(30, 41, 59, 0.4);
    --bg-card-hover: rgba(51, 65, 85, 0.5);

    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Accents - Neon Glow */
    --primary-glow: #06b6d4;
    --secondary-glow: #8b5cf6;
    --accent-pink: #ec4899;
    --success-green: #10b981;
    --warning-orange: #f59e0b;
    --danger-red: #ef4444;

    /* Glassmorphism */
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.36);
    --backdrop-blur: blur(16px);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-deeper);
    background-image:
        radial-gradient(circle at 0% 0%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* --- Layout --- */
.layout {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* --- Sidebar --- */
.sidebar {
    width: 260px;
    flex-shrink: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.3s ease-in-out;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 1px solid var(--glass-border);
    background: linear-gradient(90deg, rgba(6, 182, 212, 0.1) 0%, transparent 100%);
}

.sidebar-header i {
    color: var(--primary-glow);
    filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.5));
}

.sidebar-menu {
    flex: 1;
    padding: 1.5rem 1rem;
    overflow-y: auto;
}

.menu-label {
    padding: 1rem 1rem 0.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    font-weight: 700;
}

.menu-link {
    display: flex;
    align-items: center;
    padding: 0.85rem 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.menu-link i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
    transition: transform 0.3s ease;
}

.menu-link:hover {
    background: var(--glass-highlight);
    color: var(--text-primary);
    transform: translateX(4px);
}

.menu-link:hover i {
    transform: scale(1.1);
    color: var(--primary-glow);
}

.menu-link.active {
    background: rgba(6, 182, 212, 0.1);
    color: var(--primary-glow);
    border: 1px solid rgba(6, 182, 212, 0.2);
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.1);
}

.menu-link.active i {
    color: var(--primary-glow);
    filter: drop-shadow(0 0 5px rgba(6, 182, 212, 0.5));
}

/* Topbar */
.topbar {
    height: var(--header-height);
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: 0 2rem;
    z-index: 100;
    flex-shrink: 0;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 50px;
    border: 1px solid var(--glass-border);
}

.btn-logout {
    color: var(--danger-red);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.2);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.2);
    transform: translateY(-1px);
}

/* Content */
.content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    scroll-behavior: smooth;
}

/* --- Components --- */

/* Glass Cards */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.glass-card:hover {
    transform: translateY(-4px) scale(1.005);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    background: var(--bg-card-hover);
}

/* Stat Cards */
.stat-card {
    padding: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
}

.stat-card:hover::before {
    transform: translateX(100%);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.stat-content {
    text-align: right;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
    background: linear-gradient(to bottom, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Icon Variants */
.icon-cyan {
    background: rgba(6, 182, 212, 0.15);
    color: var(--primary-glow);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.icon-purple {
    background: rgba(139, 92, 246, 0.15);
    color: var(--secondary-glow);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.icon-pink {
    background: rgba(236, 72, 153, 0.15);
    color: var(--accent-pink);
    border: 1px solid rgba(236, 72, 153, 0.2);
}

.icon-green {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.icon-orange {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning-orange);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.icon-red {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Tables */
.table-responsive {
    border-radius: 16px;
}

.table {
    margin-bottom: 0;
    color: var(--text-secondary);
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background: rgba(15, 23, 42, 0.8);
    color: var(--primary-glow);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.table tbody td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    vertical-align: middle;
    transition: background 0.2s;
}

.table-hover tbody tr:hover td {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

/* Buttons */
.btn {
    padding: 0.6rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-glow), var(--secondary-glow));
    border: none;
    color: #fff;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.5);
    color: #fff;
}

.btn-outline-light {
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    background: transparent;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.875rem;
}

/* Badges */
.badge {
    padding: 0.5em 0.8em;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 6px;
}

.bg-success {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.bg-primary {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.bg-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.bg-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.bg-secondary {
    background: rgba(100, 116, 139, 0.2);
    color: #94a3b8;
    border: 1px solid rgba(100, 116, 139, 0.3);
}

.bg-info {
    background: rgba(6, 182, 212, 0.2);
    color: #22d3ee;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

/* Form Controls */
.form-label {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Bootstrap Overrides for Dark Theme */
.text-primary {
    color: var(--primary-glow) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.text-success {
    color: var(--success-green) !important;
}

.text-danger {
    color: var(--danger-red) !important;
}

.text-warning {
    color: var(--warning-orange) !important;
}

.form-control,
.form-select {
    background: rgba(15, 23, 42, 0.6) !important;
    border: 1px solid var(--glass-border) !important;
    color: var(--text-primary) !important;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    background: rgba(15, 23, 42, 0.8) !important;
    border-color: var(--primary-glow) !important;
    box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.1);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.4);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === MENU RESPONSIVO (MOBILE) === */

/* Desktop continua como era antes */
@media (min-width: 992px) {
    #sidebarToggle {
        display: none !important;
    }

    .sidebar {
        position: relative;
        transform: none !important;
        width: auto;
        z-index: 1;
    }
}

/* Mobile: sidebar vira off-canvas */
@media (max-width: 991.98px) {

    html,
    body {
        height: auto;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 260px;
        background-color: #020617;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        z-index: 2000;
        overflow-y: auto;
        padding-top: 1rem;
    }

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

    .content {
        padding: 1rem;
    }

    .topbar {
        padding: 0.75rem 1rem;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040;
        backdrop-filter: blur(2px);
    }

    .sidebar-overlay.show {
        display: block;
    }
}

/* --- Tom Select Dark Theme Customization --- */
.ts-control {
    background-color: rgba(15, 23, 42, 0.6) !important;
    border: 1px solid var(--glass-border) !important;
    color: var(--text-primary) !important;
    border-radius: 10px !important;
    padding: 0.75rem 1rem !important;
    box-shadow: none !important;
}

.ts-control.focus {
    background-color: rgba(15, 23, 42, 0.8) !important;
    border-color: var(--primary-glow) !important;
    box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.1) !important;
}

.ts-control input {
    color: var(--text-primary) !important;
}

.ts-dropdown {
    background-color: #0f172a !important;
    border: 1px solid var(--glass-border) !important;
    color: var(--text-primary) !important;
    border-radius: 10px !important;
    box-shadow: var(--glass-shadow) !important;
    z-index: 1050 !important;
}

.ts-dropdown .option {
    color: var(--text-secondary);
    padding: 0.75rem 1rem;
}

.ts-dropdown .option.active,
.ts-dropdown .option:hover {
    background-color: rgba(6, 182, 212, 0.15) !important;
    color: var(--text-primary) !important;
}

.ts-dropdown .optgroup-header {
    color: var(--text-muted);
    background-color: rgba(0, 0, 0, 0.2);
}

.ts-wrapper.single .ts-control:after {
    border-color: var(--text-secondary) transparent transparent transparent !important;
}

.ts-wrapper.single.input-active .ts-control:after {
    border-color: transparent transparent var(--text-secondary) transparent !important;
}