@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --bg: #0a0c10;
    --bg-card: #0f1218;
    --bg-input: #161b24;
    --border: #1e2530;
    --accent: #1877f2;
    --accent-light: #4a9af5;
    --accent-glow: rgba(24, 119, 242, 0.3);
    --text: #f0f2f5;
    --text-secondary: #8a9ab0;
    --text-muted: #3d4a5c;
    --danger: #ef4444;
    --shadow: 4px 4px 0px #1877f2;
    --shadow-sm: 3px 3px 0px #1877f2;
    --shadow-muted: 4px 4px 0px rgba(24,119,242,0.3);
    --topbar-height: 58px;
    --menu-width: 290px;
}

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

body {
    background-color: var(--bg);
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text);
    overflow-x: hidden;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(24,119,242,0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* ======= TOPBAR ======= */
.topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--topbar-height);
    background: var(--bg-card);
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    gap: 1rem;
    z-index: 100;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.15rem;
    font-weight: 800;
    flex: 1;
    letter-spacing: -0.5px;
    color: var(--text);
}

.topbar-brand i { font-size: 1.4rem; color: var(--accent); }
.topbar-brand b { color: var(--accent); }

.topbar-actions { display: flex; align-items: center; }

/* ======= BURGER ======= */
.burger-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 2px solid var(--border);
    cursor: pointer;
    padding: 8px;
    transition: all 0.15s ease;
    flex-shrink: 0;
    box-shadow: 2px 2px 0px var(--border);
}

.burger-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-secondary);
    transition: all 0.15s ease;
}

.burger-btn:hover {
    border-color: var(--accent);
    box-shadow: 2px 2px 0px var(--accent);
    transform: translate(-1px, -1px);
}
.burger-btn:hover span { background: var(--text); }

/* ======= THEME TOGGLE ======= */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 2px solid var(--border);
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: all 0.15s ease;
    box-shadow: 2px 2px 0px var(--border);
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--text);
    box-shadow: 2px 2px 0px var(--accent);
    transform: translate(-1px, -1px);
}

/* ======= OVERLAY ======= */
.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.menu-overlay.active { opacity: 1; pointer-events: all; }

/* ======= SIDE MENU ======= */
.side-menu {
    position: fixed;
    top: 0; left: 0;
    width: var(--menu-width);
    height: 100vh;
    background: var(--bg-card);
    border-right: 2px solid var(--border);
    z-index: 300;
    transform: translateX(calc(-1 * var(--menu-width) - 6px));
    transition: transform 0.3s cubic-bezier(0.77, 0, 0.175, 1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}
.side-menu.open { transform: translateX(0); }

.side-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.25rem;
    border-bottom: 2px solid var(--border);
    flex-shrink: 0;
}

.side-menu-title {
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.close-btn {
    background: transparent;
    border: 2px solid var(--border);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: all 0.15s ease;
    box-shadow: 2px 2px 0px var(--border);
}

.close-btn:hover {
    border-color: var(--accent);
    color: var(--text);
    box-shadow: 2px 2px 0px var(--accent);
    transform: translate(-1px, -1px);
}

.side-menu-body { padding: 1.25rem; flex: 1; }
.menu-section { margin-bottom: 1.75rem; }

.menu-section-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.65rem 0.85rem;
    margin-bottom: 0.4rem;
    background: transparent;
    border: 2px solid var(--border);
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.88rem;
    transition: all 0.15s ease;
    box-shadow: 2px 2px 0px var(--border);
}

.menu-item:hover {
    border-color: var(--accent);
    color: var(--text);
    box-shadow: 2px 2px 0px var(--accent);
    transform: translate(-1px, -1px);
}

.menu-item.active {
    border-color: var(--accent);
    color: var(--text);
    background: rgba(24,119,242,0.08);
    box-shadow: 3px 3px 0px var(--accent);
}

.menu-item i { font-size: 1.1rem; flex-shrink: 0; }
.menu-item span:nth-child(2) { flex: 1; }

.menu-badge {
    font-size: 0.6rem;
    font-weight: 700;
    background: var(--accent);
    color: white;
    padding: 0.15rem 0.45rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.menu-external { font-size: 0.8rem; opacity: 0.35; flex-shrink: 0; }

.about-card {
    background: var(--bg-input);
    border: 2px solid var(--border);
    padding: 1rem;
    box-shadow: 3px 3px 0px var(--border);
}

.about-logo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 1rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--text);
}
.about-logo i { font-size: 1.2rem; color: var(--accent); }

.about-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 0.75rem; }

.about-version {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.version-badge {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-muted);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.1rem 0.45rem;
    letter-spacing: 0.5px;
}

.about-divider { height: 2px; background: var(--border); margin: 0.75rem 0; }

.about-other-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.5rem 0.75rem;
    text-decoration: none;
    transition: all 0.15s ease;
    box-shadow: 2px 2px 0px var(--border);
}

.about-other-link:hover {
    border-color: var(--accent);
    color: var(--text);
    box-shadow: 2px 2px 0px var(--accent);
    transform: translate(-1px, -1px);
}
.about-other-link i:last-child { margin-left: auto; opacity: 0.4; }

.about-footer { font-size: 0.75rem; color: var(--text-muted); text-align: center; margin: 0; }
.about-footer a { color: var(--accent); text-decoration: none; font-weight: 700; }

/* ======= MAIN ======= */
.container {
    position: relative;
    z-index: 1;
    max-width: 540px;
    width: 100%;
    margin: 0 auto;
    padding: calc(var(--topbar-height) + 2.5rem) 1.25rem 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card {
    width: 100%;
    background: var(--bg-card);
    border: 2px solid var(--border);
    padding: 1.75rem;
    box-shadow: var(--shadow-muted);
    animation: fadeUp 0.4s ease both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.card-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(24,119,242,0.1);
    border: 2px solid rgba(24,119,242,0.25);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 0.2rem 0.65rem;
    margin-bottom: 1rem;
    color: var(--accent-light);
}

.card-eyebrow i { font-size: 0.9rem; color: var(--accent); }

.card h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 0.3rem;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.card h2 b { color: var(--accent-light); }
.card-sub { font-size: 0.83rem; color: var(--text-secondary); margin-bottom: 1.5rem; }

/* ======= FORM ======= */
form { display: flex; gap: 0.6rem; width: 100%; }

form input[type="url"] {
    flex: 1;
    min-width: 0;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 2px solid var(--border);
    color: var(--text);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.88rem;
    outline: none;
    transition: all 0.15s ease;
    box-shadow: 2px 2px 0px var(--border);
}

form input[type="url"]::placeholder { color: var(--text-muted); }

form input[type="url"]:focus {
    border-color: var(--accent);
    box-shadow: 2px 2px 0px var(--accent);
    background: rgba(24,119,242,0.04);
}

.btn-submit {
    flex-shrink: 0;
    padding: 0.75rem 1.25rem;
    background: var(--accent);
    border: 2px solid var(--accent);
    font-weight: 800;
    font-size: 0.8rem;
    font-family: 'Plus Jakarta Sans', sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: white;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
}

.btn-submit:hover:not(:disabled) {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0px var(--accent-light);
}

.btn-submit:active:not(:disabled) {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px var(--accent-light);
}

.btn-submit:disabled { opacity: 0.3; cursor: not-allowed; transform: none; }

/* ======= CONTENT ======= */
.content {
    width: 100%;
    margin-top: 1rem;
    background: var(--bg-input);
    border: 2px solid var(--border);
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    color: var(--text-secondary);
}

.content ol { color: var(--text-muted); padding-left: 1.25rem; font-size: 0.85rem; line-height: 2.1; }
.content ol b { color: var(--accent-light); font-weight: 700; }

/* ======= GAME LOADING BAR ======= */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    width: 100%;
    max-width: 280px;
}

.loading-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.loading-bar-wrap {
    width: 100%;
    height: 4px;
    background: var(--border);
    overflow: hidden;
}

.loading-bar {
    height: 100%;
    width: 0%;
    background: var(--accent);
    animation: loadProgress 2.8s ease-in-out infinite;
    box-shadow: 0 0 10px var(--accent-glow);
}

@keyframes loadProgress {
    0%   { width: 0%;   opacity: 1; }
    55%  { width: 80%;  opacity: 1; }
    80%  { width: 92%;  opacity: 1; }
    95%  { width: 97%;  opacity: 0.7; }
    100% { width: 100%; opacity: 0; }
}

.loading-dots { display: flex; gap: 5px; align-items: center; }

.loading-dots span {
    width: 5px;
    height: 5px;
    background: var(--accent);
    animation: dotPulse 1.2s ease-in-out infinite;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotPulse {
    0%, 100% { opacity: 0.2; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* ======= RESULT ======= */
.result-wrap { width: 100%; animation: fadeUp 0.35s ease both; }

.video-info { margin-bottom: 1rem; }

.video-info h3 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 0.4rem;
    line-height: 1.4;
    letter-spacing: -0.2px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-info p {
    font-size: 0.78rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin: 0.2rem 0;
}

.thumbnail-container {
    width: 100%;
    overflow: hidden;
    border: 2px solid var(--border);
    background: #000;
    margin-bottom: 1rem;
    aspect-ratio: 16/9;
    max-height: 260px;
    box-shadow: var(--shadow-muted);
    position: relative;
}

.thumbnail-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-container {
    width: 100%;
    overflow: hidden;
    border: 2px solid var(--border);
    background: #000;
    margin-bottom: 1rem;
    aspect-ratio: 16/9;
    max-height: 280px;
    box-shadow: var(--shadow-muted);
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* Video only notice */
.notice-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(24,119,242,0.08);
    border: 2px solid rgba(24,119,242,0.2);
    padding: 0.6rem 0.85rem;
    font-size: 0.78rem;
    color: var(--accent-light);
    font-weight: 600;
    margin-bottom: 1rem;
    box-shadow: 2px 2px 0px rgba(24,119,242,0.15);
}

.notice-bar i { font-size: 1rem; flex-shrink: 0; }

.download-section { width: 100%; }
.download-options { display: flex; flex-direction: column; gap: 0.5rem; }

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-secondary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    width: 100%;
    box-shadow: 2px 2px 0px var(--border);
}

.btn:hover {
    border-color: var(--accent);
    color: var(--text);
    box-shadow: 3px 3px 0px var(--accent);
    transform: translate(-1px, -1px);
}

.btn:active {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px var(--accent);
}

.btn i { font-size: 1.05rem; }

.btn-hd {
    background: rgba(24,119,242,0.1);
    border-color: rgba(24,119,242,0.35);
    color: var(--text);
    box-shadow: 3px 3px 0px rgba(24,119,242,0.2);
}

.btn-hd:hover {
    background: rgba(24,119,242,0.18);
    border-color: var(--accent);
    box-shadow: 4px 4px 0px var(--accent);
}

.download-hint {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
}

/* ======= ERROR ======= */
.messageError {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    background: rgba(239,68,68,0.07);
    border: 2px solid rgba(239,68,68,0.25);
    padding: 0.85rem 1rem;
    color: #fca5a5;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    width: 100%;
    animation: fadeUp 0.3s ease both;
    box-shadow: 2px 2px 0px rgba(239,68,68,0.2);
}

.messageError i { font-size: 1rem; color: var(--danger); flex-shrink: 0; margin-top: 2px; }

/* ======= FOOTER ======= */
footer { margin-top: 1rem; width: 100%; display: flex; justify-content: center; }
.btn-script { text-decoration: none; text-align: center; }
footer h3 { color: var(--text-muted); font-weight: 400; font-size: 0.78rem; margin-bottom: 0.1rem; }
footer b { color: var(--accent-light); font-weight: 700; }
footer p { font-size: 0.68rem; color: var(--text-muted); text-align: center; }

/* ======= LIGHT MODE ======= */
body.light {
    --bg: #f0f2f5;
    --bg-card: #ffffff;
    --bg-input: #e4e6ea;
    --border: #1877f2;
    --text: #050505;
    --text-secondary: #65676b;
    --text-muted: #bcc0c4;
    --shadow-muted: 4px 4px 0px rgba(24,119,242,0.4);
}

body.light .topbar { background: #ffffff; }
body.light .side-menu { background: #ffffff; }
body.light body::before { background: radial-gradient(circle, rgba(24,119,242,0.06) 0%, transparent 70%); }

/* ======= RESPONSIVE ======= */
@media (max-width: 480px) {
    .container { padding: calc(var(--topbar-height) + 1.25rem) 1rem 2rem; }
    .card { padding: 1.25rem; }
    .card h2 { font-size: 1.3rem; }
    .btn-submit { padding: 0.75rem 0.85rem; font-size: 0.72rem; }
    .video-container { max-height: 220px; }
    .thumbnail-container { max-height: 200px; }
}