/* ============================================
   USABuyHub - Components Stylesheet
   ============================================ */

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    height: 60px;
    background: rgba(10, 10, 15, 0.95);
}

.navbar-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    cursor: pointer;
}

.navbar-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.navbar-logo span {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.navbar-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-normal);
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--text-primary);
}

.navbar-link:hover::after,
.navbar-link.active::after {
    width: 100%;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.navbar-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.navbar-mobile-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

@media (max-width: 968px) {
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        transform: translateX(100%);
        transition: transform var(--transition-normal);
    }
    
    .navbar-menu.open {
        transform: translateX(0);
    }
    
    .navbar-mobile-toggle {
        display: flex;
    }
}

/* ============================================
   BUTTONS - HD Quality
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 28px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--bg-dark);
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.35), inset 0 1px 0 rgba(255,255,255,0.2);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 170, 0.5), inset 0 1px 0 rgba(255,255,255,0.2);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 212, 170, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--bg-card-hover) 0%, var(--bg-card) 100%);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: 0 0 0 0 rgba(0, 212, 170, 0);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary);
    color: var(--bg-dark);
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.4);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #e55a5a 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 118, 117, 0.3);
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 118, 117, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #00a085 100%);
    color: var(--bg-dark);
    box-shadow: 0 4px 15px rgba(0, 184, 148, 0.3);
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 184, 148, 0.4);
}

.btn-sm {
    padding: 10px 18px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

.btn-xl {
    padding: 22px 48px;
    font-size: 1.2rem;
    border-radius: var(--radius-lg);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-md);
}

.btn-icon.btn-sm {
    width: 36px;
    height: 36px;
}

.btn-icon.btn-lg {
    width: 52px;
    height: 52px;
}

.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ============================================
   CARDS - HD Quality
   ============================================ */
.card {
    background: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

.card-body {
    flex: 1;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.card-highlight {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.card-highlight::before {
    background: linear-gradient(90deg, transparent, rgba(0, 212, 170, 0.3), transparent);
}

.card-flat {
    background: transparent;
    border: none;
    padding: 0;
}

.card-flat:hover {
    transform: none;
    box-shadow: none;
}

.card-glass {
    background: rgba(18, 18, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-label.required::after {
    content: '*';
    color: var(--danger);
    margin-left: 4px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

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

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--danger);
}

.form-error {
    display: block;
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}

.form-hint {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23A0A0B0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-checkbox input,
.form-radio input {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    cursor: pointer;
}

.input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.input-group .form-input {
    flex: 1;
}

.input-icon {
    position: relative;
}

.input-icon .form-input {
    padding-left: 45px;
}

.input-icon .icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* ============================================
   BADGES & TAGS
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: rgba(0, 212, 170, 0.15);
    color: var(--primary);
}

.badge-secondary {
    background: rgba(108, 92, 231, 0.15);
    color: var(--secondary);
}

.badge-success {
    background: rgba(0, 184, 148, 0.15);
    color: var(--success);
}

.badge-warning {
    background: rgba(253, 203, 110, 0.15);
    color: var(--warning);
}

.badge-danger {
    background: rgba(255, 118, 117, 0.15);
    color: var(--danger);
}

.badge-neutral {
    background: var(--bg-card);
    color: var(--text-secondary);
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

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

.table th,
.table td {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-card);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.table tr:hover td {
    background: var(--bg-card-hover);
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-input);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.modal-lg {
    max-width: 800px;
}

.modal-sm {
    max-width: 400px;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
#toast-container {
    position: fixed;
    top: 90px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    max-width: 450px;
    animation: slideInRight 0.3s ease;
}

.toast.removing {
    animation: slideInRight 0.3s ease reverse;
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 2px;
}

.toast-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-warning { border-left: 4px solid var(--warning); }
.toast-info { border-left: 4px solid var(--secondary); }

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info .toast-icon { color: var(--secondary); }

/* ============================================
   TABS
   ============================================ */
.tabs {
    display: flex;
    gap: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
}

.tab {
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* ============================================
   STATS CARDS
   ============================================ */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary {
    background: rgba(0, 212, 170, 0.15);
    color: var(--primary);
}

.stat-icon.secondary {
    background: rgba(108, 92, 231, 0.15);
    color: var(--secondary);
}

.stat-icon.warning {
    background: rgba(253, 203, 110, 0.15);
    color: var(--warning);
}

.stat-icon.danger {
    background: rgba(255, 118, 117, 0.15);
    color: var(--danger);
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-change {
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--danger);
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress {
    height: 8px;
    background: var(--bg-input);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-bar.secondary {
    background: linear-gradient(90deg, var(--secondary), var(--secondary-dark));
}

/* ============================================
   AVATAR
   ============================================ */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    font-size: 1rem;
}

.avatar-sm { width: 32px; height: 32px; font-size: 0.85rem; }
.avatar-lg { width: 56px; height: 56px; font-size: 1.25rem; }
.avatar-xl { width: 80px; height: 80px; font-size: 1.75rem; }

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

/* ============================================
   LOADING STATES
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 1em;
    margin-bottom: var(--spacing-sm);
}

.skeleton-title {
    height: 1.5em;
    width: 60%;
    margin-bottom: var(--spacing-md);
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   SIDEBAR (Dashboard)
   ============================================ */
.dashboard-layout {
    display: flex;
    min-height: calc(100vh - 70px);
    margin-top: 70px;
}

.sidebar {
    width: 260px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    position: fixed;
    top: 70px;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    transition: transform var(--transition-normal);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.sidebar-link:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: rgba(0, 212, 170, 0.1);
    color: var(--primary);
}

.sidebar-link .icon {
    width: 20px;
    text-align: center;
}

.sidebar-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.sidebar-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    padding: 0 var(--spacing-md);
}

.dashboard-content {
    flex: 1;
    margin-left: 260px;
    padding: var(--spacing-xl);
}

@media (max-width: 968px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 100;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .dashboard-content {
        margin-left: 0;
    }
}

/* ============================================
   MESSAGE/CHAT
   ============================================ */
.message-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-height: 500px;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.message {
    display: flex;
    gap: var(--spacing-md);
    max-width: 80%;
}

.message.sent {
    flex-direction: row-reverse;
    margin-left: auto;
}

.message-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.message.sent .message-content {
    background: var(--primary);
    color: var(--bg-dark);
    border-color: var(--primary);
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.message.sent .message-time {
    text-align: right;
}

/* ============================================
   ORDER CARD
   ============================================ */
.order-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.order-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-input);
    border-bottom: 1px solid var(--border-color);
}

.order-id {
    font-family: var(--font-mono);
    font-weight: 600;
}

.order-body {
    padding: var(--spacing-lg);
}

.order-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}

.order-item:last-child {
    border-bottom: none;
}

.order-item-image {
    width: 60px;
    height: 60px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.order-item-details {
    flex: 1;
}

.order-item-name {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.order-item-price {
    color: var(--primary);
    font-weight: 600;
}

.order-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-input);
    border-top: 1px solid var(--border-color);
}

.order-total {
    font-size: 1.25rem;
    font-weight: 700;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.15), transparent 70%);
    top: -200px;
    right: -200px;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.1), transparent 70%);
    bottom: -100px;
    left: -100px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.15), rgba(108, 92, 231, 0.15));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.feature-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--footer-bg, var(--bg-card));
    border-top: 1px solid var(--footer-border, var(--border-color));
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--footer-text, var(--text-primary));
}

.footer-text {
    color: var(--footer-muted, var(--text-secondary));
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--footer-text, var(--text-primary));
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-link {
    color: var(--footer-muted, var(--text-secondary));
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--footer-border, var(--border-color));
}

.footer-copyright {
    color: var(--footer-muted, var(--text-muted));
    font-size: 0.85rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    color: var(--footer-muted, var(--text-secondary));
    font-size: 1.25rem;
    transition: color var(--transition-fast);
}

.footer-social a:hover {
    color: var(--primary);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

/* ============================================
   NOTIFICATIONS
   ============================================ */
.notification-btn {
    position: relative;
}
.notif-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    font-weight: 600;
}
.notifications-panel {
    position: absolute;
    top: 70px;
    right: var(--spacing-lg);
    width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 100;
}
.notif-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}
.notif-header h4 {
    margin: 0;
}
.notif-list {
    max-height: 400px;
    overflow-y: auto;
}
.notif-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-fast);
}
.notif-item:hover {
    background: var(--bg-input);
}
.notif-item.unread {
    background: rgba(0, 212, 170, 0.05);
}
.notif-icon {
    font-size: 1.5rem;
}
.notif-content {
    flex: 1;
}
.notif-content p {
    margin: 0 0 var(--spacing-xs);
    font-size: 0.9rem;
}
.notif-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}