/* EarnFeed - Telegram Mini App Styles */
:root {
    --bg-color: var(--tg-theme-bg-color, #ffffff);
    --text-color: var(--tg-theme-text-color, #1a1a1a);
    --hint-color: var(--tg-theme-hint-color, #999999);
    --link-color: var(--tg-theme-link-color, #2481cc);
    --button-color: var(--tg-theme-button-color, #2481cc);
    --button-text-color: var(--tg-theme-button-text-color, #ffffff);
    --secondary-bg: var(--tg-theme-secondary-bg-color, #f0f0f0);
    --card-bg: #ffffff;
    --border-color: #e8e8e8;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --gold-color: #FFD700;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
}

/* Dark Theme Overrides */
body.dark-theme,
.dark-theme {
    --bg-color: var(--tg-theme-bg-color, #17212b);
    --secondary-bg: var(--tg-theme-secondary-bg-color, #0e1621);
    --text-color: var(--tg-theme-text-color, #ffffff);
    --hint-color: var(--tg-theme-hint-color, #708499);
    --card-bg: var(--tg-theme-bg-color, #17212b);
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--secondary-bg);
    color: var(--text-color);
    font-size: 15px;
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-color);
    z-index: 1000;
}
.loader { text-align: center; }
.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--button-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}
.loader-text { color: var(--hint-color); font-size: 14px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* App Container */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-bottom: 70px;
}

/* Header */
.app-header {
    position: sticky;
    top: 0;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    padding: 12px 16px;
}
.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.app-title {
    font-size: 20px;
    font-weight: 700;
}
.header-coin-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, #FFF8DC, #FFFACD);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: #8B6914;
}

/* Main Content */
.main-content {
    flex: 1;
}
.tab-content {
    display: none;
    animation: fadeIn 0.2s ease;
}
.tab-content.active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Feed */
.feed-container {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Post Card */
.post-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.15s ease;
}
.post-card.featured {
    border: 2px solid var(--gold-color);
}
.post-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px 8px;
}
.post-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--secondary-bg);
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.post-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.post-user-info {
    flex: 1;
    min-width: 0;
}
.post-username {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.post-time {
    font-size: 12px;
    color: var(--hint-color);
}
.featured-badge {
    font-size: 10px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #fff;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}
.post-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    background: var(--secondary-bg);
    display: block;
}
.post-body {
    padding: 12px 14px;
}
.post-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
}
.post-description {
    font-size: 14px;
    color: var(--hint-color);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px 12px;
}
.post-likes {
    font-size: 13px;
    color: var(--hint-color);
    display: flex;
    align-items: center;
    gap: 4px;
}
.post-coins {
    font-size: 12px;
    color: #8B6914;
    background: #FFF8DC;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

/* Like Button */
.like-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--hint-color);
    transition: all 0.2s ease;
    font-family: inherit;
}
.like-btn:hover {
    background: rgba(239,68,68,0.08);
}
.like-btn.liked {
    color: var(--danger-color);
}
.like-btn.liked .like-icon {
    animation: likeAnim 0.35s ease;
}
.like-icon {
    font-size: 20px;
    transition: transform 0.2s ease;
}
@keyframes likeAnim {
    0% { transform: scale(1); }
    30% { transform: scale(1.3); }
    60% { transform: scale(0.9); }
    100% { transform: scale(1); }
}

/* Skeleton Loading */
.skeleton-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
}
.skeleton-card::before {
    content: '';
    display: block;
    height: 200px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-sm);
    animation: shimmer 1.5s infinite;
}
.skeleton-card::after {
    content: '';
    display: block;
    height: 20px;
    width: 60%;
    margin-top: 12px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: 4px;
    animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--hint-color);
}
.empty-state svg {
    margin-bottom: 16px;
    opacity: 0.4;
}
.empty-state h3 {
    font-size: 18px;
    margin-bottom: 4px;
    color: var(--text-color);
}
.feed-end {
    text-align: center;
    padding: 20px;
    color: var(--hint-color);
    font-size: 13px;
}

/* Tab Bar */
.tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
    display: flex;
    padding: 6px 0;
    padding-bottom: max(6px, env(safe-area-inset-bottom));
    z-index: 100;
}
.tab-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--hint-color);
    font-size: 11px;
    font-weight: 500;
    transition: color 0.2s ease;
    font-family: inherit;
}
.tab-item.active {
    color: var(--button-color);
}
.tab-item svg {
    transition: stroke 0.2s ease;
}
.tab-item.active svg {
    stroke: var(--button-color);
}

/* Profile */
.profile-header {
    text-align: center;
    padding: 24px 16px 16px;
    background: var(--bg-color);
}
.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--secondary-bg);
    margin: 0 auto 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.profile-name {
    font-size: 20px;
    font-weight: 700;
}
.profile-username {
    color: var(--hint-color);
    font-size: 14px;
    margin-top: 2px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 0 12px 16px;
}
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 12px 8px;
    text-align: center;
    box-shadow: var(--shadow);
}
.stat-value {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-color);
}
.stat-label {
    display: block;
    font-size: 11px;
    color: var(--hint-color);
    margin-top: 2px;
}

/* Profile Menu */
.profile-menu {
    padding: 0 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.menu-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.menu-card:active {
    transform: scale(0.98);
}
.menu-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--secondary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--button-color);
}
.menu-info {
    flex: 1;
}
.menu-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
}
.menu-desc {
    font-size: 13px;
    color: var(--hint-color);
}

/* Section Views */
.profile-section-view {
    display: none;
    background: var(--secondary-bg);
    padding-bottom: 80px;
    animation: slideInRight 0.3s ease;
}
@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}
.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 20;
}
.btn-back {
    display: flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: var(--button-color);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    padding: 4px 8px 4px 0;
    font-family: inherit;
}

/* Sections */
.section {
    background: var(--bg-color);
    margin: 8px 0;
    padding: 16px;
}
.section-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
}

/* Form Elements */
.form-group {
    margin-bottom: 12px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--hint-color);
}
.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    background: var(--bg-color);
    color: var(--text-color);
    transition: border-color 0.2s ease;
    -webkit-appearance: none;
}
.form-input:focus {
    outline: none;
    border-color: var(--button-color);
}
textarea.form-input {
    resize: vertical;
    min-height: 80px;
}
select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
}
.btn:active {
    transform: scale(0.97);
}
.btn-primary {
    background: var(--button-color);
    color: var(--button-text-color);
}
.btn-primary:hover {
    opacity: 0.9;
}
.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.btn-block {
    width: 100%;
}
.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

/* Image Upload */
.image-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s ease;
    position: relative;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.image-upload-area:hover {
    border-color: var(--button-color);
}
.upload-placeholder {
    text-align: center;
    color: var(--hint-color);
    padding: 30px;
}
.upload-placeholder svg {
    margin-bottom: 8px;
    opacity: 0.5;
}
.image-preview {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    display: block;
}
.upload-progress {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    gap: 12px;
}
.progress-bar {
    width: 60%;
    height: 4px;
    background: rgba(255,255,255,0.3);
    border-radius: 2px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: #fff;
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease;
}

/* Withdraw Info */
.withdraw-info {
    font-size: 13px;
    color: var(--hint-color);
    margin-bottom: 12px;
    padding: 8px 12px;
    background: var(--secondary-bg);
    border-radius: var(--radius-sm);
    display: none;
}
.withdraw-info.visible {
    display: block;
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.filter-tab {
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: none;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    color: var(--text-color);
    transition: all 0.2s ease;
    font-family: inherit;
}
.filter-tab.active {
    background: var(--button-color);
    color: var(--button-text-color);
    border-color: var(--button-color);
}

/* My Posts */
.my-posts-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.my-post-card {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 12px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 12px;
}
.my-post-thumb {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: var(--secondary-bg);
    flex-shrink: 0;
}
.my-post-info {
    flex: 1;
    min-width: 0;
}
.my-post-title {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.my-post-meta {
    font-size: 12px;
    color: var(--hint-color);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Status Badge */
.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}
.status-pending {
    background: #FEF3C7;
    color: #92400E;
}
.status-approved {
    background: #D1FAE5;
    color: #065F46;
}
.status-rejected {
    background: #FEE2E2;
    color: #991B1B;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
    width: calc(100% - 32px);
    max-width: 380px;
}
.toast {
    background: var(--text-color);
    color: var(--bg-color);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    pointer-events: auto;
    text-align: center;
}
.toast.success { background: var(--success-color); color: #fff; }
.toast.error { background: var(--danger-color); color: #fff; }
.toast.warning { background: var(--warning-color); color: #fff; }
@keyframes toastIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
    from { opacity: 1; }
    to { opacity: 0; transform: translateY(-10px); }
}

/* Scrollbar */
::-webkit-scrollbar { width: 0; height: 0; }

/* Coin animation */
.coin-popup {
    position: fixed;
    font-size: 16px;
    font-weight: 700;
    color: var(--gold-color);
    pointer-events: none;
    z-index: 999;
    animation: coinFloat 1s ease-out forwards;
}
@keyframes coinFloat {
    0% { opacity: 1; transform: translateY(0) scale(1); }
    100% { opacity: 0; transform: translateY(-60px) scale(1.3); }
}

/* Leaderboard Styling */
.leaderboard-header {
    text-align: center;
    padding: 24px 16px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}
.leaderboard-banner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.leaderboard-banner h2 {
    font-size: 20px;
    font-weight: 700;
}
.leaderboard-banner p {
    font-size: 13px;
    color: var(--hint-color);
}
.my-rank-card {
    background: linear-gradient(135deg, #FFF8DC, #FFFACD);
    border: 1px solid #FFD700;
    border-radius: var(--radius);
    padding: 14px 16px;
    margin: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
}
.dark-theme .my-rank-card {
    background: linear-gradient(135deg, #2a2200, #17150a);
    border-color: #8B6914;
}
.my-rank-details {
    display: flex;
    align-items: center;
    gap: 12px;
}
.my-rank-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--secondary-bg);
}
.my-rank-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.my-rank-name {
    font-weight: 600;
    font-size: 15px;
}
.my-rank-level {
    font-size: 11px;
    color: #8B6914;
    background: rgba(255, 215, 0, 0.2);
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 600;
    display: inline-block;
    margin-top: 2px;
}
.dark-theme .my-rank-level {
    color: #FFD700;
}
.my-rank-value {
    text-align: right;
}
.my-rank-num {
    font-size: 16px;
    font-weight: 700;
    color: var(--button-color);
}
.my-rank-coins {
    font-size: 12px;
    color: var(--hint-color);
}
.leaderboard-list {
    padding: 0 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.leaderboard-item {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
}
.rank-badge {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    color: var(--text-color);
}
.rank-badge.rank-1 { background: #FFD700; color: #8B6914; }
.rank-badge.rank-2 { background: #C0C0C0; color: #4F4F4F; }
.rank-badge.rank-3 { background: #CD7F32; color: #fff; }
.rank-badge.rank-other { background: var(--secondary-bg); color: var(--hint-color); }

/* Daily Check-in Styling */
.checkin-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px;
    margin: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}
.checkin-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}
.checkin-desc {
    font-size: 12px;
    color: var(--hint-color);
    margin-bottom: 16px;
}
.checkin-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}
.checkin-day {
    background: var(--secondary-bg);
    border-radius: var(--radius-sm);
    padding: 10px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--hint-color);
    position: relative;
    border: 1px solid transparent;
}
.checkin-day.claimed {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success-color);
    border-color: rgba(34, 197, 94, 0.2);
}
.checkin-day.active {
    background: rgba(255, 215, 0, 0.1);
    color: #b08d00;
    border-color: #FFD700;
    animation: pulseActive 2s infinite;
}
.dark-theme .checkin-day.active {
    color: #FFD700;
}
@keyframes pulseActive {
    0% { transform: scale(1); }
    50% { transform: scale(1.03); }
    100% { transform: scale(1); }
}
.checkin-day-num {
    font-weight: 600;
}
.checkin-day-reward {
    font-weight: 700;
    color: var(--text-color);
}
.checkin-day.claimed .checkin-day-reward {
    color: var(--success-color);
}
.checkin-day.active .checkin-day-reward {
    color: var(--button-color);
}

/* Referrals Box Styling */
.referral-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px;
    margin: 12px;
    box-shadow: var(--shadow);
}
.ref-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}
.ref-desc {
    font-size: 12px;
    color: var(--hint-color);
    margin-bottom: 12px;
}
.ref-input-group {
    display: flex;
    gap: 8px;
}
.ref-input {
    flex: 1;
    font-family: monospace;
    font-size: 13px;
    letter-spacing: 0.5px;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-color);
    color: var(--text-color);
    outline: none;
}
.ref-input:focus {
    border-color: var(--button-color);
}

/* Category Scrolling Tabs */
.category-tabs {
    display: flex;
    gap: 8px;
    padding: 0 12px 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.category-tab {
    padding: 6px 14px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-color);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}
.category-tab.active {
    background: var(--button-color);
    color: var(--button-text-color);
    border-color: var(--button-color);
}

/* Search Bar Styling */
.search-container {
    padding: 12px 12px 6px;
}
.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}
.search-input {
    width: 100%;
    padding: 10px 14px;
    padding-left: 36px;
    border-radius: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}
.search-icon {
    position: absolute;
    left: 12px;
    color: var(--hint-color);
    pointer-events: none;
}
.search-input:focus {
    outline: none;
    border-color: var(--button-color);
}

/* Referral List & Stats Styling */
.ref-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 16px 12px;
}
.ref-stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 12px 16px;
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid var(--border-color);
}
.ref-stat-val {
    font-size: 20px;
    font-weight: 700;
    color: var(--button-color);
    margin-bottom: 2px;
}
.ref-stat-label {
    font-size: 11px;
    color: var(--hint-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.referred-list-title {
    font-size: 14px;
    font-weight: 600;
    margin: 16px 12px 8px;
    color: var(--text-color);
}
.referred-friends-list {
    margin: 0 12px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.referred-friend-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 10px 12px;
    border: 1px solid var(--border-color);
}
.referred-friend-left {
    display: flex;
    align-items: center;
    gap: 10px;
}
.referred-friend-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    background: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
    font-size: 14px;
}
.referred-friend-info {
    display: flex;
    flex-direction: column;
}
.referred-friend-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-color);
}
.referred-friend-date {
    font-size: 10px;
    color: var(--hint-color);
    margin-top: 1px;
}
.referred-friend-commission {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}
.referred-friend-amount {
    font-size: 13px;
    font-weight: 700;
    color: var(--button-color);
}
.referred-friend-amount-label {
    font-size: 9px;
    color: var(--hint-color);
}
.ref-empty-state {
    text-align: center;
    padding: 30px 16px;
    color: var(--hint-color);
    font-size: 12px;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px dashed var(--border-color);
}