:root {
    /* Brand Colors */
    --primary: #2563eb;
    /* Royal Blue */
    --primary-hover: #1d4ed8;
    --secondary: #64748b;
    /* Slate */
    --accent: #0f172a;
    /* Navy */

    /* Backgrounds */
    --bg-body: #f1f5f9;
    /* Light Slate */
    --bg-card: #ffffff;
    --bg-sidebar: #0f172a;

    /* Text */
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #f8fafc;

    /* Borders */
    --border: #e2e8f0;

    /* States */
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
    line-height: 1.5;
}

.hidden {
    display: none !important;
}

/* Auth */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    flex-direction: column;
}

.auth-card {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    width: 100%;
    max-width: 420px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-circle {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.auth-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-main);
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.copyright {
    margin-top: 2rem;
    color: #94a3b8;
    font-size: 0.75rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-group label i {
    width: 20px;
    color: var(--primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    transition: all 0.2s;
    font-family: inherit;
    font-size: 0.95rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.btn-block {
    width: 100%;
}

.btn-secondary {
    background-color: white;
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
}

/* Dashboard */
#dashboard-view {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 280px;
    background: var(--bg-sidebar);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.05);
    z-index: 10;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

.app-logo i {
    color: var(--primary);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 0;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
    font-size: 0.9rem;
    border-left: 3px solid transparent;
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.sidebar-nav li a.active {
    border-left-color: var(--primary);
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.1) 0%, rgba(37, 99, 235, 0) 100%);
}

.menu-label {
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #475569;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#logout-btn {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: #cbd5e1;
    padding: 0.75rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background 0.2s;
}

#logout-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-body);
}

.top-bar {
    background: var(--bg-card);
    padding: 1rem 2rem;
    height: 70px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.breadcrumb {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.current-page {
    color: var(--text-main);
    font-weight: 600;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: #e0e7ff;
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.user-details {
    display: flex;
    flex-direction: column;
    text-align: right;
}

#user-name {
    font-weight: 600;
    font-size: 0.9rem;
}

#user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.content-wrapper {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

/* Card & Tables */
.card {
    background: var(--bg-card);
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-card);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

th,
td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: #f8fafc;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: #f8fafc;
}

/* Modals */
#modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 50;
}

.modal {
    background: var(--bg-card);
    border-radius: 1rem;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal.fade-in {
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s;
}

.close-modal:hover {
    color: var(--danger);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Utils */
.error-msg {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 1rem;
    text-align: center;
}

.action-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 0.375rem;
    border: 1px solid var(--border);
    background: white;
    cursor: pointer;
    margin-right: 0.5rem;
    transition: all 0.2s;
}

.action-btn:hover {
    background: #f1f5f9;
}

.action-btn.delete:hover {
    background: #fef2f2;
    color: var(--danger);
    border-color: #fecaca;
}