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

html {
    overflow-x: hidden;
    max-width: 100vw;
}

:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --dark: #1e293b;
    --light: #f8fafc;
    --white: #ffffff;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navbar */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    padding: 15px 0;
}

.admin-navbar {
    background: var(--dark);
}

.admin-navbar .nav-brand {
    color: var(--white);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.nav-links li a {
    display: block;
    padding: 15px 15px;
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    border-radius: var(--radius);
}

.admin-navbar .nav-links li a {
    color: var(--gray-300);
}

.nav-links li a:hover,
.nav-links li a.active {
    background: var(--gray-100);
    color: var(--primary);
}

.admin-navbar .nav-links li a:hover,
.admin-navbar .nav-links li a.active {
    background: var(--gray-700);
    color: var(--white);
}

.badge {
    background: var(--danger);
    color: var(--white);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: 5px;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 25px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card h2, .card h3 {
    margin-bottom: 15px;
    color: var(--gray-800);
}

.card h2 {
    font-size: 1.5rem;
}

.card h3 {
    font-size: 1.1rem;
    color: var(--gray-700);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.balance-card {
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
}

.balance-card h3 {
    color: rgba(255,255,255,0.8);
}

.balance-amount {
    font-size: 3rem;
    font-weight: 700;
    margin: 10px 0;
}

.membership-status {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.membership-status.active {
    background: var(--success);
    color: var(--white);
}

.membership-status.inactive {
    background: rgba(255,255,255,0.2);
    color: var(--white);
}

.referral-link-box {
    display: flex;
    gap: 10px;
    margin: 15px 0;
}

.referral-link-box input {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9rem;
}

.referral-code {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin: 10px 0;
}

.referral-count {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin: 5px 0;
}

.referral-card .btn-sm {
    margin-top: 10px;
}

.ads-card {
    text-align: center;
}

.ads-remaining {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.ads-label {
    font-size: 1rem;
    color: var(--gray-500);
}

.ads-reward {
    color: var(--success);
    font-weight: 500;
    margin: 10px 0 15px;
}

.membership-card {
    text-align: center;
}

.membership-card .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin: 10px 0;
}

.membership-active {
    color: var(--success);
    font-weight: 600;
}

/* Row Layout */
.row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

/* Notifications */
.notification-list {
    list-style: none;
}

.notification-item {
    padding: 12px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

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

.notification-item.unread {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-left: 3px solid #4caf50;
}

.notification-item.unread::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #4caf50;
    border-radius: 50%;
    margin-right: 8px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7); }
    70% { box-shadow: 0 0 0 6px rgba(76, 175, 80, 0); }
    100% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
}

.notification-item.success {
    border-left: 3px solid #4caf50;
}

.notification-item.error {
    border-left: 3px solid #f44336;
}

.notification-item.warning {
    border-left: 3px solid #ff9800;
}

.notification-item.info {
    border-left: 3px solid #2196f3;
}

.notif-title {
    font-weight: 600;
    color: var(--gray-800);
}

.notif-msg {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.notif-time {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* Products */
.product-list {
    list-style: none;
}

.product-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
}

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

.product-name {
    font-weight: 500;
}

.locked {
    font-size: 1.2rem;
}

/* Auth Pages */
.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.auth-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.auth-box {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.auth-box h1 {
    text-align: center;
    color: var(--primary);
    margin-bottom: 10px;
}

.auth-box h2 {
    text-align: center;
    color: var(--gray-700);
    margin-bottom: 25px;
    font-size: 1.3rem;
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    color: var(--gray-600);
}

.auth-link a {
    color: var(--primary);
    text-decoration: none;
}

.referral-alert {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    padding: 12px;
}

.ref-icon {
    font-size: 1.2rem;
}

.referral-input-wrapper {
    display: flex;
    gap: 10px;
}

.referral-input-wrapper input {
    flex: 1;
    background: var(--gray-100);
    border: 2px dashed var(--primary);
    color: var(--primary);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius);
    padding: 12px;
}

.referral-input-wrapper input:focus {
    background: #ede9fe;
    border-color: var(--primary);
    border-style: solid;
}

.btn-small {
    padding: 12px 20px;
    font-size: 0.9rem;
}

.ref-status {
    display: block;
    margin-top: 5px;
    font-size: 0.85rem;
    font-weight: 500;
}

.ref-status.checking {
    color: var(--warning);
}

.ref-status.valid {
    color: var(--success);
}

.ref-status.invalid {
    color: var(--danger);
}

.optional {
    color: var(--gray-500);
    font-weight: 400;
    font-size: 0.85rem;
}

.ref-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 5px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--gray-200);
    color: var(--gray-700);
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.btn:hover {
    transform: translateY(-1px);
}

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

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

.btn-secondary {
    background: var(--gray-300);
    color: var(--gray-700);
}

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

.btn-warning {
    background: var(--warning);
    color: var(--white);
}

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

.btn-info {
    background: var(--info);
    color: var(--white);
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn-xs {
    padding: 4px 8px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.1rem;
}

.btn-disabled,
.btn:disabled {
    background: var(--gray-300);
    color: var(--gray-500);
    cursor: not-allowed;
    transform: none;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

/* Tables */
.transaction-table,
.users-table,
.withdrawals-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.transaction-table th,
.transaction-table td,
.users-table th,
.users-table td,
.withdrawals-table th,
.withdrawals-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.transaction-table th,
.users-table th,
.withdrawals-table th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
}

.transaction-table tr:hover,
.users-table tr:hover,
.withdrawals-table tr:hover {
    background: var(--gray-50);
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-active,
.status-completed,
.status-approved {
    background: #d1fae5;
    color: #065f46;
}

.status-pending {
    background: #fef3c7;
    color: #92400e;
}

.status-rejected,
.status-suspended,
.status-inactive {
    background: #fee2e2;
    color: #991b1b;
}

.status-inprogress {
    background: #dbeafe;
    color: #1e40af;
}

/* Type Badges */
.type-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    background: var(--gray-200);
    color: var(--gray-700);
}

.type-referral {
    background: #dbeafe;
    color: #1e40af;
}

.type-ads {
    background: #fce7f3;
    color: #9d174d;
}

.type-withdraw {
    background: #fef3c7;
    color: #92400e;
}

.type-membership {
    background: #ede9fe;
    color: #5b21b6;
}

.amount-plus {
    color: var(--success);
    font-weight: 600;
}

.amount-minus {
    color: var(--danger);
    font-weight: 600;
}

/* Wallet Page */
.wallet-header {
    text-align: center;
    margin-bottom: 30px;
}

.balance-display {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: inline-block;
}

.balance-display h2 {
    color: var(--gray-600);
    font-size: 1rem;
}

.balance-big {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--success);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-label {
    display: block;
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
}

/* Ads Page */
.ads-header {
    text-align: center;
}

.ads-progress {
    margin: 20px 0;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    color: var(--gray-600);
}

.reward-badge {
    background: var(--success);
    color: var(--white);
    padding: 3px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
}

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    transition: width 0.3s;
}

.ads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.ad-card {
    text-align: center;
}

.ad-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--radius);
    margin-bottom: 15px;
}

/* Products Page */
.products-header {
    text-align: center;
}

.membership-required {
    background: var(--gray-100);
    padding: 20px;
    border-radius: var(--radius);
    margin-top: 15px;
}

.membership-active-notice {
    color: var(--success);
    font-weight: 500;
    margin-top: 15px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.product-card {
    text-align: center;
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 10px;
}

.product-desc {
    color: var(--gray-600);
    margin-bottom: 15px;
    min-height: 40px;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
}

/* Withdraw Page */
.withdraw-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .withdraw-layout {
        grid-template-columns: 1fr;
    }
}

.available-balance {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--success);
    margin-bottom: 20px;
}

.withdraw-note {
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--gray-500);
    text-align: center;
}

/* Deposit Page */
.deposit-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .deposit-layout {
        grid-template-columns: 1fr;
    }
}

.current-balance {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray-700);
    margin-bottom: 20px;
    padding: 15px;
    background: var(--gray-100);
    border-radius: var(--radius);
}

.deposit-info {
    margin-top: 20px;
    padding: 20px;
    background: var(--gray-100);
    border-radius: var(--radius);
    text-align: left;
}

.deposit-info h4 {
    margin-bottom: 10px;
    color: var(--gray-700);
}

.deposit-info ol {
    margin-left: 20px;
    color: var(--gray-600);
}

.deposit-info li {
    padding: 5px 0;
}

.processing-time {
    margin-top: 15px;
    font-size: 0.85rem;
    color: var(--gray-500);
    font-style: italic;
}

.deposit-form-card,
.deposit-history-card {
    min-height: 400px;
}

/* Notifications Page */
.notifications-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.notification-full-list {
    list-style: none;
}

.notification-full-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    border-bottom: 1px solid var(--gray-200);
    align-items: flex-start;
}

.notification-full-item.unread {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-left: 4px solid #4caf50;
}

.notification-full-item.unread::before {
    content: '';
    position: absolute;
    top: 15px;
    right: 15px;
    width: 10px;
    height: 10px;
    background: #4caf50;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.notification-full-item {
    position: relative;
}

.notif-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.notif-icon.type-success {
    background: #d1fae5;
    color: var(--success);
}

.notif-icon.type-error {
    background: #fee2e2;
    color: var(--danger);
}

.notif-icon.type-warning {
    background: #fef3c7;
    color: var(--warning);
}

.notif-icon.type-info {
    background: #dbeafe;
    color: var(--info);
}

.notif-content {
    flex: 1;
}

.notif-content h4 {
    margin-bottom: 5px;
}

.notif-content p {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.notif-date {
    font-size: 0.8rem;
    color: var(--gray-400);
}

.mark-read {
    color: var(--gray-400);
    font-size: 0.85rem;
}

/* Membership Page */
.membership-page {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.membership-active-box {
    padding: 30px;
}

.check-icon {
    font-size: 4rem;
    color: var(--success);
}

.membership-benefits {
    background: var(--gray-100);
    padding: 20px;
    border-radius: var(--radius);
    margin: 20px 0;
    text-align: left;
}

.membership-benefits ul {
    list-style: none;
    margin-top: 15px;
}

.membership-benefits li {
    padding: 8px 0;
    color: var(--gray-700);
}

.membership-price {
    margin: 20px 0;
}

.price-label {
    display: block;
    color: var(--gray-500);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.insufficient {
    color: var(--danger);
    margin: 15px 0;
}

/* Admin Pages */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.admin-stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.search-form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.search-form input {
    flex: 1;
}

.actions {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.action-form,
.bonus-form {
    display: flex;
    gap: 5px;
    align-items: center;
    flex-wrap: wrap;
}

.bonus-form input {
    width: 80px;
    padding: 5px;
}

.filter-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.filter-tabs a {
    padding: 10px 20px;
    background: var(--white);
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.filter-tabs a:hover,
.filter-tabs a.active {
    background: var(--primary);
    color: var(--white);
}

.action-form-inline {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.action-form-inline input {
    flex: 1;
    min-width: 100px;
    padding: 5px;
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
}

.products-list-card,
.ads-list-card {
    max-height: 500px;
    overflow-y: auto;
}

.products-list,
.ads-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-admin-item,
.ad-admin-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: var(--gray-100);
    border-radius: var(--radius);
    flex-wrap: wrap;
    gap: 10px;
}

.product-info,
.ad-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

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

.ad-views {
    color: var(--gray-500);
    font-size: 0.85rem;
}

.ad-preview {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    overflow: hidden;
}

.ad-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.no-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-300);
    color: var(--white);
    font-size: 1.5rem;
}

.product-actions,
.ad-actions {
    display: flex;
    gap: 5px;
    align-items: center;
}

.product-actions select,
.ad-actions select {
    padding: 5px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
}

.settings-section {
    padding: 20px 0;
    border-bottom: 1px solid var(--gray-200);
}

.settings-section:last-of-type {
    border-bottom: none;
}

.settings-section h3 {
    margin-bottom: 15px;
    color: var(--primary);
}

.help-text {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 10px;
}

.no-data {
    text-align: center;
    color: var(--gray-500);
    padding: 30px;
}

/* Referrals Page */
.referral-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .referral-header {
        grid-template-columns: 1fr;
    }
}

.referral-stats-card {
    text-align: center;
}

.referral-stats-card .referral-link-box {
    display: flex;
    gap: 10px;
    margin: 15px 0;
}

.referral-stats-card .referral-link-box input {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9rem;
}

.referral-stats-card .referral-code {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.referral-stats-card .stats-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 15px;
}

.referral-stats-card .stat-item {
    text-align: center;
}

.referral-stats-card .stat-item .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.referral-stats-card .stat-item .stat-label {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.referral-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.referral-table th,
.referral-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.referral-table th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
}

.referral-table tr:hover {
    background: var(--gray-50);
}

.no-referrals {
    text-align: center;
    padding: 40px 20px;
}

.no-ref-icon {
    font-size: 4rem;
    margin-bottom: 15px;
}

.no-referrals h4 {
    color: var(--gray-700);
    margin-bottom: 10px;
}

.no-referrals p {
    color: var(--gray-500);
}

.referral-instruction {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--gray-400);
}

.referral-levels-card {
    text-align: center;
}

.levels-grid {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.level-item {
    background: var(--gray-100);
    padding: 15px 20px;
    border-radius: var(--radius);
    min-width: 100px;
}

.level-badge {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 5px;
}

.level-percent {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.level-item small {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 5px;
}

.levels-info {
    margin-top: 15px;
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        justify-content: center;
    }
    
    .nav-links li a {
        padding: 10px 10px;
        font-size: 0.9rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .row {
        grid-template-columns: 1fr;
    }
    
    .balance-amount {
        font-size: 2rem;
    }
    
    .balance-big {
        font-size: 2.5rem;
    }
    
    .transaction-table,
    .users-table {
        display: block;
        overflow-x: auto;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* Investment Page */
.investment-header {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .investment-header {
        grid-template-columns: 1fr;
    }
}

.invest-balance-card {
    text-align: center;
    background: linear-gradient(135deg, var(--success), #059669);
    color: var(--white);
}

.invest-balance-card h3 {
    color: rgba(255,255,255,0.8);
}

.invest-balance {
    font-size: 2.5rem;
    font-weight: 700;
}

.invest-stats-card h3 {
    text-align: center;
}

.stats-row {
    display: flex;
    justify-content: space-around;
    margin-top: 15px;
}

.stat-box {
    text-align: center;
}

.stat-box .stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-box .stat-value.profit {
    color: var(--success);
}

.stat-box .stat-label {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.stat-box.highlight {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 15px;
    border-radius: 10px;
}

.stat-box.highlight .stat-value {
    color: white;
    font-size: 2rem;
}

.stat-box.highlight .stat-label {
    color: rgba(255, 255, 255, 0.9);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.plan-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 25px;
    transition: all 0.3s;
}

.plan-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.plan-header {
    text-align: center;
    margin-bottom: 15px;
}

.plan-header h3 {
    margin-bottom: 5px;
}

.plan-profit {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--success);
}

.plan-details {
    margin: 15px 0;
}

.plan-details p {
    padding: 5px 0;
    color: var(--gray-600);
}

.plan-calculator {
    background: var(--gray-100);
    padding: 15px;
    border-radius: var(--radius);
    margin: 15px 0;
}

.plan-calculator h4 {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 10px;
}

.calc-input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    margin-bottom: 10px;
}

.calc-result {
    display: none;
    padding: 10px;
    background: var(--success);
    color: var(--white);
    border-radius: var(--radius);
    font-size: 0.9rem;
    text-align: center;
}

.calc-result.show {
    display: block;
}

.invest-form {
    margin-top: 15px;
}

.invest-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    margin-bottom: 10px;
}

.investment-table th,
.investment-table td {
    padding: 12px 8px;
    font-size: 0.9rem;
}

.investment-table .profit {
    color: var(--success);
    font-weight: 600;
}

.progress-mini {
    height: 6px;
    background: var(--gray-200);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 5px;
}

.progress-mini-fill {
    height: 100%;
    background: var(--primary);
    transition: width 0.3s;
}

/* Admin Investment Styles */
.plans-admin-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.plan-admin-item {
    background: var(--gray-100);
    padding: 15px;
    border-radius: var(--radius);
}

.plan-edit-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.plan-info-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr;
    gap: 10px;
}

@media (max-width: 768px) {
    .plan-info-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.plan-info-grid input,
.plan-info-grid select {
    padding: 8px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.85rem;
}

.plan-actions {
    display: flex;
    gap: 5px;
}

.cron-info {
    margin-top: 20px;
    padding: 20px;
    background: var(--gray-100);
    border-radius: var(--radius);
}

.cron-info h4 {
    margin-bottom: 10px;
}

.cron-info p {
    color: var(--gray-600);
    margin: 5px 0;
}

.cron-info code {
    display: block;
    background: var(--gray-800);
    color: var(--gray-100);
    padding: 10px;
    border-radius: var(--radius);
    margin: 10px 0;
    overflow-x: auto;
}

/* ==========================================
   COMPREHENSIVE MOBILE RESPONSIVE STYLES
   ========================================== */

/* Mobile Base */
@media (max-width: 767px) {
    body {
        font-size: 14px;
        line-height: 1.5;
    }
    
    .container {
        padding: 0 12px;
    }
    
    /* Header & Nav */
    .navbar {
        padding: 0 10px;
    }
    
    .nav-brand {
        font-size: 1.2rem !important;
        padding: 10px 0;
    }
    
    .nav-links {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        justify-content: flex-start !important;
        gap: 2px;
    }
    
    .nav-links::-webkit-scrollbar {
        display: none;
    }
    
    .nav-links li a {
        padding: 10px 10px !important;
        font-size: 0.8rem !important;
        white-space: nowrap;
    }
    
    /* Cards */
    .card {
        padding: 15px;
        margin-bottom: 15px;
        border-radius: 12px;
    }
    
    .card h2 {
        font-size: 1.2rem;
    }
    
    .card h3 {
        font-size: 1rem;
    }
    
    /* Forms */
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px;
        font-size: 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr !important;
        gap: 10px;
    }
    
    /* Buttons */
    .btn {
        padding: 10px 16px;
        font-size: 0.9rem;
        min-height: 44px;
        width: 100%;
    }
    
    .btn-sm {
        padding: 8px 12px;
        font-size: 0.8rem;
        min-height: 36px;
    }
    
    .btn-block {
        display: block;
        width: 100%;
    }
    
    /* Grid Systems */
    .dashboard-grid,
    .row,
    .admin-grid,
    .stats-grid {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }
    
    /* Tables */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .transaction-table,
    .users-table,
    .withdrawals-table,
    .referral-table,
    .investment-table {
        font-size: 0.85rem;
    }
    
    .transaction-table th,
    .transaction-table td,
    .users-table th,
    .users-table td,
    .withdrawals-table th,
    .withdrawals-table td {
        padding: 8px 6px;
    }
    
    /* Balance Display */
    .balance-display {
        padding: 15px;
    }
    
    .balance-amount {
        font-size: 2rem !important;
    }
    
    .balance-big {
        font-size: 2.5rem !important;
    }
    
    /* Wallet Page */
    .wallet-header {
        margin-bottom: 20px;
    }
    
    .balance-display {
        padding: 20px;
    }
    
    .stats-grid {
        gap: 10px;
    }
    
    .stat-card {
        padding: 15px;
    }
    
    .stat-value {
        font-size: 1.3rem;
    }
    
    /* Products Grid */
    .products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px;
    }
    
    .product-card {
        padding: 10px;
    }
    
    .product-icon {
        font-size: 2rem;
    }
    
    .product-desc {
        font-size: 0.85rem;
        min-height: auto;
    }
    
    .product-price {
        font-size: 1.2rem;
    }
    
    /* Withdraw/Deposit Layout */
    .withdraw-layout,
    .deposit-layout,
    .referral-header,
    .investment-header {
        grid-template-columns: 1fr !important;
    }
    
    /* Ads Grid */
    .ads-grid {
        grid-template-columns: 1fr !important;
    }
    
    .ad-card {
        padding: 15px;
    }
    
    .ad-image {
        height: 120px;
    }
    
    /* Plans Grid */
    .plans-grid {
        grid-template-columns: 1fr !important;
    }
    
    .plan-card {
        padding: 15px;
    }
    
    .plan-profit {
        font-size: 2rem;
    }
    
    /* Referrals */
    .levels-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .level-item {
        width: 100%;
        max-width: 200px;
    }
    
    /* Notifications */
    .notification-full-item {
        flex-direction: column;
        gap: 10px;
    }
    
    .notif-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    /* Admin Stats */
    .admin-stats {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    /* Filter Tabs */
    .filter-tabs {
        flex-wrap: wrap;
    }
    
    .filter-tabs a {
        flex: 1 1 auto;
        text-align: center;
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    /* Search Form */
    .search-form {
        flex-direction: column;
    }
    
    .search-form input {
        width: 100%;
    }
    
    /* Product/Ad Admin Items */
    .product-admin-item,
    .ad-admin-item {
        flex-direction: column;
        align-items: stretch;
    }
    
    .product-info,
    .ad-info {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .product-actions,
    .ad-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }
    
    .product-actions select,
    .ad-actions select {
        flex: 1;
    }
    
    /* Settings Section */
    .settings-section {
        padding: 15px 0;
    }
    
    .settings-section h3 {
        font-size: 1rem;
    }
    
    /* Auth Pages */
    .auth-page {
        padding: 20px;
    }
    
    .auth-box {
        padding: 20px !important;
    }
    
    .auth-box h1 {
        font-size: 1.5rem;
    }
    
    .auth-box h2 {
        font-size: 1.1rem;
    }
    
    /* Membership Page */
    .membership-page {
        padding: 15px;
    }
    
    .membership-benefits {
        padding: 15px;
    }
    
    .membership-price .price-amount {
        font-size: 2rem !important;
    }
    
    /* Progress Bar */
    .progress-info {
        flex-direction: column;
        gap: 5px;
    }
    
    .reward-badge {
        align-self: flex-start;
    }
    
    /* Alerts */
    .alert {
        padding: 12px;
        margin-bottom: 15px;
        font-size: 0.9rem;
    }
    
    /* Footer */
    .main-footer {
        padding: 20px;
        font-size: 0.8rem;
    }
    
    /* Activity Section */
    .activity-section {
        grid-template-columns: 1fr !important;
    }
    
    .activity-item {
        padding: 12px 0;
    }
    
    .activity-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    /* Purchased Products */
    .purchased-grid {
        grid-template-columns: 1fr !important;
    }
    
    .purchased-card {
        margin-bottom: 15px;
    }
    
    .purchased-card-image {
        height: 120px;
    }
    
    .purchased-card-actions {
        flex-direction: column;
    }
    
    .purchased-card-actions .btn {
        width: 100%;
    }
    
    /* Plan Calculator */
    .plan-calculator {
        padding: 12px;
    }
    
    /* Investment Stats */
    .stats-row {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-box .stat-value {
        font-size: 1.5rem;
    }
}

/* Small Mobile (375px and below) */
@media (max-width: 375px) {
    body {
        font-size: 13px;
    }
    
    .products-grid {
        grid-template-columns: 1fr !important;
    }
    
    .admin-stats {
        grid-template-columns: 1fr !important;
    }
    
    .action-grid {
        grid-template-columns: 1fr !important;
    }
    
    .user-menu span {
        display: none;
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .card {
        padding: 10px;
    }
    
    .stat-card {
        padding: 10px;
    }
}

/* High DPI */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    * {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print */
@media print {
    .no-print,
    .navbar,
    .main-footer {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ==========================================
   MOBILE MINIMAL NAVBAR - For Sub Pages
   ========================================== */

.mobile-navbar {
    display: none;
}

.mobile-navbar-simple {
    display: none;
}

@media (max-width: 767px) {
    /* Desktop navbar COMPLETELY hidden on mobile */
    .navbar {
        display: none !important;
    }
    
    /* Show minimal mobile navbar */
    .mobile-navbar {
        display: flex !important;
        position: sticky;
        top: 0;
        z-index: 10000;
        background: var(--white);
        box-shadow: 0 2px 10px rgba(0,0,0,0.15);
        padding: 0;
        height: 50px;
        width: 100%;
    }
    
    .mobile-navbar-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 0 10px;
        height: 100%;
    }
    
    .mobile-navbar .nav-back {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 8px 10px;
        background: var(--gray-100);
        border-radius: 8px;
        color: var(--gray-700);
        text-decoration: none;
        font-weight: 500;
        font-size: 0.85rem;
        transition: all 0.2s;
        min-height: 38px;
        white-space: nowrap;
    }
    
    .mobile-navbar .nav-back:hover {
        background: var(--primary);
        color: var(--white);
    }
    
    .mobile-navbar .nav-back i {
        font-size: 0.9rem;
    }
    
    .mobile-navbar .nav-title {
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--gray-800);
        text-align: center;
        flex: 1;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 8px;
    }
    
    .mobile-navbar .nav-action {
        display: flex;
        align-items: center;
        gap: 5px;
    }
    
    .mobile-navbar .nav-action a,
    .mobile-navbar .nav-action button {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: var(--gray-100);
        color: var(--gray-600);
        text-decoration: none;
        transition: all 0.2s;
        border: none;
        cursor: pointer;
        font-size: 0.9rem;
    }
    
    .mobile-navbar .nav-action a:hover,
    .mobile-navbar .nav-action button:hover {
        background: var(--primary);
        color: var(--white);
    }
    
    .mobile-navbar .nav-action .nav-logout {
        background: #fee2e2;
        color: #dc2626;
        padding: 8px 12px;
        border-radius: 6px;
        font-size: 0.8rem;
        font-weight: 600;
        min-height: auto;
        width: auto;
        white-space: nowrap;
    }
    
    .mobile-navbar .nav-action .nav-logout:hover {
        background: #dc2626;
        color: white;
    }
    
    .mobile-navbar .nav-action .nav-home {
        background: #e0f2fe;
        color: #0284c7;
    }
    
    .mobile-navbar .nav-action .nav-home:hover {
        background: #0284c7;
        color: white;
    }
    
    /* Simple navbar variant */
    .mobile-navbar-simple {
        display: flex !important;
        position: sticky;
        top: 0;
        z-index: 10000;
        background: var(--primary);
        box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        height: 50px;
        width: 100%;
    }
    
    .mobile-navbar-simple .nav-back {
        display: flex;
        align-items: center;
        gap: 5px;
        padding: 8px 15px;
        color: var(--white);
        text-decoration: none;
        font-weight: 500;
        font-size: 0.9rem;
        height: 100%;
    }
    
    .mobile-navbar-simple .nav-back:hover {
        background: rgba(255,255,255,0.1);
    }
    
    .mobile-navbar-simple .nav-title {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--white);
        font-weight: 600;
        font-size: 1rem;
    }
    
    /* Hide desktop navbar brand on mobile */
    .navbar .nav-brand {
        display: none;
    }
    
    /* Adjust body padding for mobile navbar */
    body {
        padding-top: 0;
    }
}