:root {
    --bg-color: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-border: rgba(0, 0, 0, 0.05);
    --card-hover-border: rgba(0, 0, 0, 0.15);
    --accent: #4f46e5;
    --accent-glow: rgba(79, 70, 229, 0.3);
    --star-color: #f59e0b;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Blobs for depth */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    filter: blur(80px);
    opacity: 0.4;
    border-radius: 50%;
    animation: float 20s infinite ease-in-out alternate;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(94,106,210,0.4) 0%, rgba(0,0,0,0) 70%);
}

.blob-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(138,43,226,0.2) 0%, rgba(0,0,0,0) 70%);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(5%, 10%) scale(1.1); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--card-border);
}

.header-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #1e293b 0%, #64748b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.stats {
    display: flex;
    gap: 16px;
    align-items: center;
}

.action-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 14px 20px;
    border-radius: 14px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 12px var(--accent-glow);
    font-family: inherit;
    height: fit-content;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--accent-glow);
    filter: brightness(1.1);
}

.action-btn:active {
    transform: translateY(0);
}

.stat-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 16px 24px;
    border-radius: 16px;
    backdrop-filter: blur(12px);
    text-align: center;
    box-shadow: 0 4px 24px rgba(0,0,0,0.03);
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.hidden {
    display: none !important;
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 40vh;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--card-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 40vh;
    text-align: center;
    color: var(--text-secondary);
}

.empty-state svg {
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.review-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(16px);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.review-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.review-card:hover {
    transform: translateY(-4px);
    border-color: var(--card-hover-border);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0,0,0,0.02);
}

.review-card:hover::before {
    opacity: 1;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.stars {
    color: var(--star-color);
    letter-spacing: 2px;
    font-size: 1.1rem;
}

.review-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.review-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

.review-content {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.review-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--card-border);
    font-size: 0.85rem;
}

.review-author {
    font-weight: 500;
    color: #334155;
}

.review-version {
    color: var(--text-secondary);
    background: rgba(0,0,0,0.05);
    padding: 4px 8px;
    border-radius: 6px;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
    
    .stats {
        width: 100%;
    }
    
    .stat-box {
        flex: 1;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: var(--bg-color);
    width: 90%;
    max-width: 500px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.modal.hidden .modal-content {
    transform: translateY(20px);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--card-border);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s;
}

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

.modal-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.5);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.telegram-instructions {
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.03);
    padding: 16px;
    border-radius: 8px;
    line-height: 1.5;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--card-border);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    background: rgba(0, 0, 0, 0.02);
}

#settings-save-status {
    margin-right: 16px;
    font-size: 0.9rem;
}

/* Apps Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.app-card {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.app-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
}

.app-card h3 {
    margin: 0 0 12px 0;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.app-stats {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.app-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
}

.app-rating .stars {
    color: #fbbf24;
    letter-spacing: 2px;
}

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

.view-reviews-btn {
    margin-top: auto;
    width: 100%;
    padding: 10px;
    background: var(--bg-color);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.view-reviews-btn:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}