:root {
    --bg-color: #0b0f19;
    --bg-surface: #131825;
    --bg-card: #1a2035;
    --bg-card-hover: #212840;
    --text-main: #e8ecf4;
    --text-muted: #7a8299;
    --text-dim: #4e5772;
    --border: #1e2740;
    --border-hover: #2a3555;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px var(--accent-glow);
    --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ========== Animated background glow ========== */
.bg-glow {
    position: fixed;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 500px;
    background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    animation: pulseGlow 6s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
    0% {
        opacity: 0.35;
        transform: translateX(-50%) scale(1);
    }

    100% {
        opacity: 0.65;
        transform: translateX(-50%) scale(1.15);
    }
}

/* ========== Layout ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    position: relative;
    z-index: 1;
}

/* ========== Header ========== */
header {
    text-align: center;
    margin-bottom: 2rem;
    padding-top: 1rem;
}

header h1 {
    font-size: 2.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

header h1 span {
    background: linear-gradient(135deg, var(--accent), #c97bff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    font-weight: 400;
    margin-bottom: 1.8rem;
}

/* ========== OS Badge ========== */
.os-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.45rem 1.1rem;
    border-radius: 100px;
    background: var(--accent-soft);
    border: 1px solid var(--accent-glow);
    color: var(--accent);
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 1.8rem;
}

/* ========== OS Switcher ========== */
.os-switcher {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.os-switcher a {
    display: flex;
    align-items: center;
    flex-direction: column;
    width: 110px;
    gap: 6px;
    padding: 0.55rem 1.2rem;
    border-radius: 10px;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.os-switcher a .os-icon {
    height: 40px;
    width: 40px;
    object-fit: contain;
}

.os-switcher a.active .os-icon {
    filter: brightness(0) invert(1);
}

.os-switcher a:hover {
    color: var(--text-main);
    border-color: var(--border-hover);
    background: var(--bg-card);
}

.os-switcher a.active {
    color: #fff;
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 2px 12px var(--accent-glow);
}

/* ========== Search ========== */
.search-wrapper {
    max-width: 520px;
    margin: 0 auto 2.5rem;
    position: relative;
}

.search-wrapper .search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-dim);
    pointer-events: none;
    transition: color var(--transition-fast);
}

#search-input {
    width: 100%;
    padding: 0.85rem 3rem 0.85rem 48px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition-fast);
}

#search-input::placeholder {
    color: var(--text-dim);
}

#search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-clear {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: var(--bg-card);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.search-clear:hover {
    background: var(--accent);
    color: #fff;
}

/* ========== Stats ========== */
.stats-row {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

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

.stat-item .stat-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.1;
}

.stat-item .stat-label {
    font-size: 0.78rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

/* ========== Category Nav ========== */
.category-nav {
    display: flex;
    overflow-x: auto;
    gap: 0.75rem;
    padding: 1rem 0;
    margin-bottom: 2rem;
    position: sticky;
    top: 0;
    z-index: 90;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    scrollbar-width: none;
}

.category-nav::-webkit-scrollbar {
    display: none;
}

.cat-nav-link {
    white-space: nowrap;
    padding: 0.6rem 1.2rem;
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: 100px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.cat-nav-link:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.cat-nav-link.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 4px 12px var(--accent-glow);
    transform: translateY(-1px);
}

/* ========== Category Section ========== */
.category-section {
    margin-bottom: 3rem;
    scroll-margin-top: 80px;
    animation: fadeUp 0.4s ease-out both;
}

.category-section:nth-child(2) {
    animation-delay: 0.06s;
}

.category-section:nth-child(3) {
    animation-delay: 0.12s;
}

.category-section:nth-child(4) {
    animation-delay: 0.18s;
}

.category-section:nth-child(5) {
    animation-delay: 0.24s;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.2rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid var(--border);
}

.category-header .cat-emoji {
    font-size: 1.5rem;
}

.category-header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.category-header .count {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-dim);
    background: var(--bg-surface);
    padding: 2px 10px;
    border-radius: 100px;
}

/* ========== Apps Grid ========== */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 1.2rem;
}

.app-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.4rem 1rem 1.1rem;
    text-align: center;
    transition: all var(--transition-med);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    background: linear-gradient(135deg, var(--accent-glow), transparent 60%);
    transition: opacity var(--transition-med);
    pointer-events: none;
}

.app-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

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

.app-icon {
    position: relative;
    z-index: 1;
    width: 72px;
    height: 72px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent);
    overflow: hidden;
    flex-shrink: 0;
    border: 1px solid var(--border);
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
}

.app-title {
    position: relative;
    z-index: 1;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-main);
    word-break: break-word;
}

.app-meta {
    position: relative;
    z-index: 1;
    font-size: 0.72rem;
    color: var(--text-dim);
    font-weight: 500;
}

.app-actions {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.5rem;
    justify-content: center;
    width: 100%;
    margin-top: auto;
}

.app-btn {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 0.45rem 0.45rem;
    width: 36px;
    height: 36px;
    border-radius: 100px;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    flex-grow: 1;
}

.app-btn svg,
.app-btn .material-symbols-outlined {
    font-size: 18px;
}

.btn-download .material-symbols-outlined {
    font-size: 18px;
    background-color: #fff;
    color: var(--accent);
    padding: 4px;
    border-radius: 15px;
    height: 25px;
    width: 25px;
    position: absolute;
    left: 5px;
}

.btn-download {
    background: var(--accent);
    color: #fff;
    gap: 5px;
    display: flex;
    padding-left: 25px
}

.btn-download:hover {
    filter: brightness(1.15);
    transform: scale(1.04);
}

.btn-download img {
    background-color: #fff;
    padding: 4px;
    border-radius: 15px;
    height: 25px;
    width: 25px;
    position: absolute;
    left: 5px;
}

.btn-download .text {
    display: flex;
}

.btn-external {
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border);
    flex-grow: 0;
}

.btn-external:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: scale(1.04);
}

.btn-info {
    background-color: var(--accent-soft);
    color: var(--accent);
    border: 1px solid var(--accent-glow);
    flex-grow: 0;
    padding: 0.45rem 0.6rem;
}

.btn-info:hover {
    background: var(--accent);
    color: #fff;
    transform: scale(1.04);
}

/* ========== Modal ========== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-med);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 2rem;
    max-width: 450px;
    width: 90%;
    position: relative;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-med);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

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

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    transition: color var(--transition-fast);
}

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

.modal-body {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    margin-top: 0.5rem;
}

.modal-icon-container {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.modal-icon-container img,
.modal-icon-container svg {
    width: 48px;
    height: 48px;
    object-fit: contain;
    color: var(--text-muted);
}

.modal-info {
    flex-grow: 1;
}

.modal-info h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    color: var(--text-main);
}

.modal-info p {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-muted);
    margin: 0;
}

.modal-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.modal-actions .app-btn {
    width: auto;
    padding: 0.5rem 1rem;
}
.modal-content h3 {
    margin-bottom: 1rem;
    color: var(--accent);
    font-size: 1.25rem;
}

.modal-content p {
    color: var(--text-main);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ========== No results ========== */
.no-results {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-dim);
    display: none;
}

.no-results .nr-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.no-results p {
    font-size: 1.05rem;
}

/* ========== Empty state ========== */
.empty-state {
    text-align: center;
    padding: 5rem 1rem;
    color: var(--text-dim);
}

.empty-state .es-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.app-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.app-short-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.app-meta {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: auto;
}

.empty-state p {
    font-size: 0.95rem;
}

.empty-state code {
    background: var(--bg-surface);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--accent);
}

/* ========== Footer ========== */
footer {
    text-align: center;
    padding: 3rem 0 2rem;
    color: var(--text-dim);
    font-size: 0.82rem;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

footer a {
    color: var(--accent);
    text-decoration: none;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .container {
        padding: 1.2rem 1rem;
    }

    header h1 {
        font-size: 2rem;
    }

    .apps-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 0.9rem;
    }

    .app-icon {
        width: 56px;
        height: 56px;
        font-size: 1.6rem;
    }

    .btn-download {
        gap: 0px;
        padding-left: 0;
        width: 36px !important;
        flex-grow: 0;
    }

    .btn-download .text {
        display: none;
    }

}

@media (max-width: 420px) {
    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.7rem;
    }

    .os-switcher {
        gap: 0.4rem;
    }

    .os-switcher a {
        padding: 0.45rem 0.85rem;
        font-size: 0.8rem;
    }
}