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

/* ======= VARIABLES ======= */
:root {
    --bg: #0a0a0a;
    --bg-card: #111111;
    --bg-input: #1a1a1a;
    --border: #2a2a2a;
    --accent: #ffffff;
    --accent-2: #cccccc;
    --text: #f2f2f2;
    --text-secondary: #888888;
    --text-muted: #444444;
    --danger: #ef4444;
    --shadow-sm: 3px 3px 0px var(--accent);
    --shadow-muted: 4px 4px 0px rgba(255,255,255,0.12);
    --topbar-height: 58px;
    --menu-width: 290px;
}

/* TikTok page */
body.page-tiktok {
    --accent: #ffffff;
    --accent-2: #cccccc;
    --shadow-muted: 4px 4px 0px rgba(255,255,255,0.12);
}

/* Facebook page */
body.page-facebook {
    --accent: #1877f2;
    --accent-2: #4a9af5;
    --shadow-muted: 4px 4px 0px rgba(24,119,242,0.25);
}

/* Instagram page */
body.page-instagram {
    --accent: #e1306c;
    --accent-2: #f77737;
    --shadow-muted: 4px 4px 0px rgba(225,48,108,0.3);
}

/* ======= RESET ======= */
* { 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;
}

/* ======= 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);
    text-decoration: none;
}
.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(255,255,255,0.04); 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: var(--bg); 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-footer { font-size: 0.75rem; color: var(--text-muted); text-align: center; }
.about-footer a { color: var(--accent); text-decoration: none; font-weight: 700; }

/* ======= MAIN ======= */
.container {
    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(255,255,255,0.05);
    border: 2px solid rgba(255,255,255,0.1);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 0.2rem 0.65rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}
.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); }
.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); }

.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: var(--bg);
    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-2); }
.btn-submit:active:not(:disabled) { transform: translate(1px, 1px); box-shadow: 1px 1px 0px var(--accent-2); }
.btn-submit:disabled { opacity: 0.3; cursor: not-allowed; transform: none; }


/* ======= PASTE BUTTON =======  */
.input-wrap { flex: 1; display: flex; min-width: 0; }
.input-wrap input[type="url"] { flex: 1; min-width: 0; border-right: none; }
.btn-paste { flex-shrink: 0; width: 40px; background: var(--bg-input); border: 2px solid var(--border); border-left: none; color: var(--text-secondary); font-size: 1rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.15s ease; box-shadow: 2px 2px 0px var(--border); }
.btn-paste:hover { border-color: var(--accent); color: var(--text); box-shadow: 2px 2px 0px var(--accent); }
/* ======= CONTENT BOX ======= */
.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); font-weight: 700; }

/* ======= LOADING ======= */
.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; }
@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; }

.notice-bar {
    display: flex; align-items: center; gap: 0.5rem;
    background: rgba(255,255,255,0.04);
    border: 2px solid rgba(255,255,255,0.1);
    padding: 0.6rem 0.85rem;
    font-size: 0.78rem; color: var(--text-secondary); font-weight: 600;
    margin-bottom: 1rem;
}
.notice-bar i { font-size: 1rem; flex-shrink: 0; color: var(--accent); }

.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); }
.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; box-shadow: var(--shadow-muted); }
.video-container.aspect-16-9 { aspect-ratio: 16/9; max-height: 280px; }
.video-container.aspect-9-16 { aspect-ratio: 9/16; max-height: 360px; }
.video-container video { width: 100%; height: 100%; object-fit: contain; display: block; }

.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;
    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(255,255,255,0.04); border-color: rgba(255,255,255,0.15); color: var(--text); box-shadow: 3px 3px 0px rgba(255,255,255,0.1); }
.btn-hd:hover { 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; }

/* ======= SLIDESHOW (Instagram) ======= */
.slideshow { position: relative; width: 100%; border: 2px solid var(--border); background: #000; overflow: hidden; aspect-ratio: 1/1; max-height: 380px; box-shadow: var(--shadow-muted); margin-bottom: 1rem; }
.slide-track { width: 100%; height: 100%; position: relative; }
.slide-item { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; }
.slide-item.active { display: flex; animation: slideFade 0.25s ease; }
@keyframes slideFade { from { opacity: 0; transform: scale(0.98); } to { opacity: 1; transform: scale(1); } }
.slide-item img { width: 100%; height: 100%; object-fit: contain; display: block; user-select: none; -webkit-user-drag: none; }
.slide-btn { position: absolute; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; background: var(--bg-card); border: 2px solid var(--border); color: var(--text); font-size: 1.3rem; cursor: pointer; display: flex; align-items: center; justify-content: center; z-index: 10; transition: all 0.15s ease; box-shadow: 2px 2px 0px var(--border); }
.slide-btn:hover { border-color: var(--accent); box-shadow: 2px 2px 0px var(--accent); transform: translateY(-50%) translate(-1px, -1px); }
.slide-prev { left: 8px; }
.slide-next { right: 8px; }
.slide-counter { position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%); background: var(--bg-card); border: 2px solid var(--border); font-size: 0.7rem; font-weight: 700; padding: 0.15rem 0.6rem; color: var(--text-secondary); letter-spacing: 1px; box-shadow: 2px 2px 0px var(--border); }
.download-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 0.5rem; }
.download-grid .btn { font-size: 0.78rem; padding: 0.6rem 0.75rem; }

/* ======= 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); font-weight: 700; }
footer p { font-size: 0.68rem; color: var(--text-muted); text-align: center; }

/* ======= LANDING PAGE ======= */
.landing-grid { display: grid; grid-template-columns: 1fr; gap: 0.75rem; width: 100%; }
.landing-card {
    display: flex; align-items: center; gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-card); border: 2px solid var(--border);
    text-decoration: none; color: var(--text);
    transition: all 0.15s ease;
    box-shadow: 3px 3px 0px var(--border);
    animation: fadeUp 0.4s ease both;
}
.landing-card:nth-child(2) { animation-delay: 0.05s; }
.landing-card:nth-child(3) { animation-delay: 0.1s; }
.landing-card:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0px var(--accent); border-color: var(--accent); }
.landing-card-icon { font-size: 2rem; flex-shrink: 0; }
.landing-card-info { flex: 1; }
.landing-card-info h3 { font-size: 1rem; font-weight: 800; margin-bottom: 0.2rem; }
.landing-card-info p { font-size: 0.78rem; color: var(--text-secondary); }
.landing-card-arrow { font-size: 1.2rem; color: var(--text-muted); transition: all 0.15s ease; }
.landing-card:hover .landing-card-arrow { color: var(--accent); transform: translateX(3px); }

/* ======= LIGHT MODE ======= */
body.light {
    --bg: #f2f2f2;
    --bg-card: #ffffff;
    --bg-input: #e8e8e8;
    --border: #cccccc;
    --text: #0a0a0a;
    --text-secondary: #555555;
    --text-muted: #999999;
}
body.page-tiktok.light { --border: #111111; --shadow-muted: 4px 4px 0px rgba(0,0,0,0.4); }
body.light .topbar { background: #ffffff; }
body.light .side-menu { background: #ffffff; }
body.light .menu-badge { color: #fff; }

/* ======= 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.aspect-9-16 { max-height: 280px; }
    .video-container.aspect-16-9 { max-height: 200px; }
    .slideshow { max-height: 300px; }
    .download-grid { grid-template-columns: repeat(2, 1fr); }
}