/* ═══════════════════════════════════════════════════════════════
   Snack Video Thumbnail Downloader  ·  svt.css  v2.0.0
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ─────────────────────────────────── */
.svt {
    --c-red:    #e63946;
    --c-red2:   #ff6b6b;
    --c-bg:     #f2f5ff;
    --c-white:  #ffffff;
    --c-dark:   #1a1a2e;
    --c-mid:    #4a4a6a;
    --c-soft:   #8888aa;
    --c-border: #e4e4f0;
    --c-rbg:    #fff1f1;
    --c-rbdr:   #ffd6d6;
    --c-gbg:    #f0fff6;
    --c-gbdr:   #b2f0cc;
    --c-gtext:  #1a7a40;
    --c-obg:    #fff8f0;
    --c-obdr:   #ffe0b2;
    --c-otext:  #d35400;
    --sh-sm:    0 2px 8px  rgba(30,30,80,.06);
    --sh-md:    0 8px 32px rgba(30,30,80,.10);
    --sh-lg:    0 20px 60px rgba(30,30,80,.13);
    --glow:     0 0 0 3px rgba(230,57,70,.15);
    --fh:       'Outfit','Segoe UI',sans-serif;
    --fb:       'Nunito','Segoe UI',sans-serif;
    -webkit-font-smoothing: antialiased;
    font-family: var(--fb);
    color: var(--c-dark);
}
.svt *, .svt *::before, .svt *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Outer Wrapper ─────────────────────────────────────────── */
.svt {
    background: var(--c-bg);
    background-image:
        radial-gradient(ellipse 70% 45% at 15%  0%,  rgba(230,57,70,.09)  0%, transparent 65%),
        radial-gradient(ellipse 60% 40% at 85% 100%, rgba(99,102,241,.07) 0%, transparent 60%);
    border-radius: 24px;
    padding: 52px 20px 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
}

/* ── Header ────────────────────────────────────────────────── */
.svt-head {
    text-align: center;
    margin-bottom: 40px;
    animation: svt-up .55s .05s ease both;
}

.svt-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--c-rbg);
    border: 1px solid var(--c-rbdr);
    border-radius: 40px;
    padding: 7px 18px 7px 12px;
    margin-bottom: 20px;
    font-family: var(--fh);
    font-size: .73rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--c-red);
}

.svt-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--c-red);
    animation: svt-blink 2s ease infinite;
    flex-shrink: 0;
}

.svt-h2 {
    font-family: var(--fh) !important;
    font-size: clamp(1.75rem, 4.5vw, 3rem) !important;
    font-weight: 800 !important;
    line-height: 1.12 !important;
    letter-spacing: -.025em !important;
    color: var(--c-dark) !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 0 14px !important;
}

.svt-accent {
    background: linear-gradient(135deg, var(--c-red), var(--c-red2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.svt-sub {
    font-size: 1rem;
    font-weight: 500;
    color: var(--c-mid);
    line-height: 1.65;
    max-width: 420px;
    margin: 0 auto !important;
}

/* ── Card ──────────────────────────────────────────────────── */
.svt-card {
    width: 100%;
    max-width: 640px;
    background: var(--c-white);
    border: 1px solid var(--c-border);
    border-radius: 22px;
    padding: 36px;
    box-shadow: var(--sh-lg);
    animation: svt-up .6s .1s ease both;
    position: relative;
    overflow: hidden;
}

.svt-bar {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--c-red), var(--c-red2), #6366f1);
    border-radius: 22px 22px 0 0;
}

/* ── Form Label ────────────────────────────────────────────── */
.svt-lbl {
    display: block;
    font-family: var(--fh);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
    color: var(--c-soft);
    margin-bottom: 10px;
}

/* ── Input Row ─────────────────────────────────────────────── */
.svt-row {
    display: flex;
    align-items: center;
    gap: 0;
    background: #f7f8ff;
    border: 2px solid var(--c-border);
    border-radius: 14px;
    padding: 6px 6px 6px 16px;
    transition: border-color .2s, box-shadow .2s, background .2s;
}

.svt-row:focus-within {
    border-color: var(--c-red);
    box-shadow: var(--glow);
    background: var(--c-white);
}

.svt-ico {
    color: var(--c-soft);
    display: flex;
    align-items: center;
    flex-shrink: 0;
    margin-right: 10px;
}

.svt-input {
    flex: 1;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    font-family: var(--fb);
    font-size: .97rem;
    font-weight: 500;
    color: var(--c-dark);
    min-width: 0;
    padding: 10px 0;
    -webkit-appearance: none;
}
.svt-input::placeholder { color: var(--c-soft); }
.svt-input:focus { border: none !important; box-shadow: none !important; outline: none !important; }

/* Primary button */
.svt-btn-primary {
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--c-red), var(--c-red2));
    color: #fff !important;
    border: none !important;
    border-radius: 10px;
    padding: 12px 22px;
    font-family: var(--fh);
    font-size: .88rem;
    font-weight: 700;
    letter-spacing: .02em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
    box-shadow: 0 4px 14px rgba(230,57,70,.35);
    transition: opacity .2s, transform .15s, box-shadow .2s;
    line-height: 1;
}
.svt-btn-primary:hover:not(:disabled) {
    opacity: .9;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(230,57,70,.4);
}
.svt-btn-primary:active:not(:disabled) { transform: translateY(0); }
.svt-btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ── Status Banner ─────────────────────────────────────────── */
.svt-status {
    display: none;
    align-items: flex-start;
    gap: 10px;
    margin-top: 16px;
    padding: 13px 16px;
    border-radius: 12px;
    font-size: .9rem;
    font-weight: 500;
    line-height: 1.5;
    animation: svt-up .25s ease both;
}
.svt-status.is-on  { display: flex; }
.svt-status.is-err { background: var(--c-rbg); border: 1px solid var(--c-rbdr); color: #c0392b; }
.svt-status.is-ok  { background: var(--c-gbg); border: 1px solid var(--c-gbdr); color: var(--c-gtext); }
.svt-status.is-inf { background: var(--c-obg); border: 1px solid var(--c-obdr); color: var(--c-otext); }
#svt-status-icon   { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }

/* ── Loader ────────────────────────────────────────────────── */
.svt-loader {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-top: 32px;
    animation: svt-up .3s ease;
}
.svt-loader.is-on { display: flex; }

.svt-track {
    width: 200px; height: 4px;
    background: #f0f0f8;
    border-radius: 10px;
    overflow: hidden;
}
.svt-fill {
    height: 100%; width: 40%;
    background: linear-gradient(90deg, var(--c-red), var(--c-red2));
    border-radius: 10px;
    animation: svt-slide 1.2s ease-in-out infinite;
}
.svt-loader-txt {
    font-family: var(--fh);
    font-size: .88rem;
    font-weight: 600;
    color: var(--c-soft);
    letter-spacing: .04em;
}

/* ── Result ────────────────────────────────────────────────── */
.svt-result { display: none; margin-top: 28px; animation: svt-up .4s ease both; }
.svt-result.is-on { display: block; }

/* Separator */
.svt-sep {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}
.svt-sep::before, .svt-sep::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--c-border);
}
.svt-sep span {
    font-family: var(--fh);
    font-size: .73rem;
    font-weight: 700;
    color: var(--c-soft);
    letter-spacing: .09em;
    text-transform: uppercase;
    white-space: nowrap;
}

/* Meta row */
.svt-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.svt-meta-lbl {
    font-family: var(--fh);
    font-size: .85rem;
    font-weight: 700;
    color: var(--c-mid);
    letter-spacing: .07em;
    text-transform: uppercase;
}
.svt-hq {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--c-gbg);
    border: 1px solid var(--c-gbdr);
    color: var(--c-gtext);
    font-family: var(--fh);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    padding: 4px 11px;
    border-radius: 20px;
}

/* Image box */
.svt-preview {
    border-radius: 14px;
    overflow: hidden;
    border: 2px solid var(--c-border);
    background: #f7f8ff;
    position: relative;
    box-shadow: var(--sh-md);
    cursor: zoom-in;
}
.svt-preview img {
    width: 100%; height: auto; max-height: 360px;
    object-fit: contain; display: block !important;
    transition: transform .35s ease;
    border-radius: 0 !important;
}
.svt-preview:hover img { transform: scale(1.02); }

.svt-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.45) 0%, transparent 55%);
    opacity: 0; transition: opacity .25s;
    display: flex; align-items: flex-end; padding: 16px;
}
.svt-preview:hover .svt-overlay { opacity: 1; }
.svt-overlay span {
    font-family: var(--fh);
    font-size: .82rem; font-weight: 600;
    color: rgba(255,255,255,.92);
    letter-spacing: .04em;
}

/* Dimensions */
.svt-dim {
    margin-top: 10px;
    font-family: var(--fh);
    font-size: .78rem; font-weight: 600;
    color: var(--c-soft);
    min-height: 20px;
    display: flex; align-items: center; gap: 6px;
}

/* Action buttons */
.svt-actions {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 10px;
    margin-top: 14px;
}
.svt-btn-dl {
    background: linear-gradient(135deg, var(--c-red), var(--c-red2));
    color: #fff !important;
    border: none !important;
    border-radius: 12px;
    padding: 14px 20px;
    font-family: var(--fh);
    font-size: .92rem; font-weight: 700;
    cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    box-shadow: 0 4px 16px rgba(230,57,70,.3);
    transition: opacity .2s, transform .15s, box-shadow .2s;
    letter-spacing: .02em; line-height: 1;
}
.svt-btn-dl:hover:not(:disabled) { opacity: .9; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(230,57,70,.4); }
.svt-btn-dl:active:not(:disabled) { transform: translateY(0); }
.svt-btn-dl:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.svt-btn-sec {
    background: var(--c-white);
    border: 2px solid var(--c-border) !important;
    border-radius: 12px;
    height: 50px; padding: 0 14px;
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    cursor: pointer;
    color: var(--c-mid);
    font-family: var(--fh); font-size: .82rem; font-weight: 600;
    white-space: nowrap; flex-shrink: 0;
    transition: border-color .2s, background .2s, color .2s, transform .15s;
}
.svt-btn-sec:hover {
    border-color: var(--c-red) !important;
    background: var(--c-rbg); color: var(--c-red);
    transform: translateY(-1px);
}
.svt-btn-sec:active { transform: translateY(0); }

/* ── Steps ─────────────────────────────────────────────────── */
.svt-steps {
    width: 100%; max-width: 640px;
    display: grid; grid-template-columns: repeat(3,1fr);
    gap: 12px; margin-top: 24px;
    animation: svt-up .7s .15s ease both;
}
.svt-step {
    background: var(--c-white); border: 1px solid var(--c-border);
    border-radius: 18px; padding: 22px 18px; text-align: center;
    box-shadow: var(--sh-sm); transition: transform .2s, box-shadow .2s;
}
.svt-step:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.svt-step-n {
    width: 40px; height: 40px; margin: 0 auto 12px;
    border-radius: 12px; background: var(--c-rbg); border: 2px solid var(--c-rbdr);
    display: flex; align-items: center; justify-content: center;
}
.svt-step-n span {
    font-family: var(--fh); font-size: .95rem; font-weight: 800; color: var(--c-red);
}
.svt-step h3 {
    font-family: var(--fh) !important;
    font-size: .88rem !important; font-weight: 700 !important;
    color: var(--c-dark) !important;
    margin: 0 0 6px !important; padding: 0 !important; border: none !important;
}
.svt-step p {
    font-size: .78rem; font-weight: 500; color: var(--c-soft); line-height: 1.55; margin: 0;
}

/* ── Trust Badges ──────────────────────────────────────────── */
.svt-trust {
    display: flex; flex-wrap: wrap;
    align-items: center; justify-content: center;
    gap: 18px 28px; margin-top: 28px;
    animation: svt-up .8s .2s ease both;
}
.svt-trust-i {
    display: inline-flex; align-items: center; gap: 7px;
    font-family: var(--fh); font-size: .78rem; font-weight: 600; color: var(--c-soft);
}

/* ── Footer ────────────────────────────────────────────────── */
.svt-footer {
    margin-top: 30px;
    font-family: var(--fh); font-size: .75rem; font-weight: 500;
    color: var(--c-soft); text-align: center; letter-spacing: .03em;
    animation: svt-up .9s .25s ease both;
}

/* ── Keyframes ─────────────────────────────────────────────── */
@keyframes svt-up {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes svt-blink {
    0%,100% { opacity: 1; transform: scale(1); }
    50%      { opacity: .3; transform: scale(.75); }
}
@keyframes svt-slide {
    0%   { transform: translateX(-110%); }
    50%  { transform: translateX(270%); }
    100% { transform: translateX(270%); }
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 600px) {
    .svt         { padding: 36px 14px 48px; }
    .svt-card    { padding: 24px 18px 22px; }
    .svt-row     { flex-direction: column; align-items: stretch; padding: 12px; gap: 10px; }
    .svt-ico     { display: none; }
    .svt-input   { padding: 6px 0; }
    .svt-btn-primary { width: 100%; justify-content: center; padding: 14px; }
    .svt-actions { grid-template-columns: 1fr 1fr; }
    .svt-btn-dl  { grid-column: 1 / -1; }
    .svt-steps   { grid-template-columns: 1fr; }
    .svt-trust   { gap: 14px 20px; }
}
@media (max-width: 360px) {
    .svt-h2 { font-size: 1.6rem !important; }
}