/* === Root Variables === */
:root {
    --fany1-orange: #ffa500;
    --fany1-blue: #00AFF0;
    --fany1-white: #ffffff;
    --fany1-light-gray: #cccccc;
    --fany1-gray: #888888;
    --fany1-dark-gray: #1a1a1a;
    --fany1-black: #0d0d0d;

    /* Theme variables */
    --bg-color: var(--fany1-black);
    --fg-color: var(--fany1-light-gray);
    --bg-gradient-start: #111;
    --bg-gradient-end: #000;
    --glow-color: rgba(0, 175, 240, 0.1);
    --input-bg: #222;
    --input-border: #444;
    --input-focus-glow: rgba(0, 175, 240, 0.3);
    --button-disabled-bg: #333;
    --button-disabled-fg: #666;
    --button-gradient-start: var(--fany1-orange);
    --button-gradient-end: var(--fany1-blue);
}

/* === Reset & Base Styles === */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: var(--bg-color);
    color: var(--fg-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Prevents scrollbars from background effects */
    background-image: radial-gradient(circle at center, var(--bg-gradient-start), var(--bg-gradient-end));
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80vmax;
    height: 80vmax;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: pulse-glow 10s infinite alternate;
}

/* === Layout === */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
}

.brand {
    text-decoration: none;
    font-weight: 800;
    letter-spacing: 0.08em;
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
}
.brand-f { color: var(--fany1-blue); }
.brand-any { color: var(--fany1-white); }
.brand-1 { color: var(--fany1-orange); }

.auth-controls { display: flex; align-items: center; gap: 0.5rem; }
.auth-button {
    color: var(--fany1-white);
    background: transparent;
    border: 1px solid var(--input-border);
    padding: 0.45rem 0.8rem;
    border-radius: 6px;
    text-decoration: none;
}
.auth-button:hover { border-color: var(--fany1-blue); }

.user-menu { position: relative; }
.user-button {
    color: var(--fany1-white);
    background: transparent;
    border: 1px solid var(--input-border);
    padding: 0.45rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
}
.user-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 0.25rem);
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    padding: 0.25rem;
    min-width: 140px;
    display: none;
    z-index: 10;
}
.user-dropdown.open { display: block; }
.logout-button {
    width: 100%;
    background: transparent;
    color: var(--fany1-white);
    border: none;
    text-align: left;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
}
.logout-button:hover { background: #2a2a2a; }

.hidden { display: none !important; }
.site-main {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero {
    text-align: center;
    padding: 2rem;
}

/* === Typography === */
.hero-title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 800;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.hero-title-f { color: var(--fany1-blue); }
.hero-title-any { color: var(--fany1-white); }
.hero-title-1 { color: var(--fany1-orange); }

.tagline {
    font-size: clamp(1rem, 3vw, 1.25rem);
    color: var(--fany1-gray);
    margin-bottom: 2.5rem;
    letter-spacing: 0.05em;
}

.processing-message {
    margin-top: 1.75rem;
    font-size: 1.1rem;
    color: var(--fany1-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .65rem;
}

.status-text {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: .01em;
}

.status-url {
    color: var(--fany1-blue);
    font-weight: 700;
    text-decoration: none;
    word-break: break-all;
}
.status-url:hover { text-decoration: underline; }

.metadata-section { margin-top: 1.75rem; display: flex; justify-content: center; }
.metadata-card { max-width: 980px; margin: 0 auto; padding: 1rem 1.25rem; background: rgba(255,255,255,0.03); border: 1px solid var(--input-border); border-radius: 14px; text-align: left; box-shadow: 0 10px 30px rgba(0,0,0,0.35), inset 0 0 40px rgba(0,175,240,0.04); }
.metadata-loader { display: flex; align-items: center; gap: 0.5rem; color: var(--fany1-gray); }
.metadata-content { display: block; }
.metadata-header { display: grid; grid-template-columns: 260px 1fr; gap: 1.25rem; align-items: start; }
.metadata-thumb { width: 260px; height: 146px; object-fit: cover; border-radius: 10px; border: 1px solid var(--input-border); background: #111; box-shadow: 0 8px 18px rgba(0,0,0,0.3); }
.metadata-title { font-size: 1.35rem; font-weight: 800; color: var(--fany1-white); margin-bottom: .35rem; letter-spacing: .02em; }
.metadata-sub { color: var(--fany1-gray); font-size: .95rem; margin-bottom: .6rem; }
.meta-desc { color: var(--fany1-light-gray); margin-top: .5rem; line-height: 1.5; }
.meta-stats { display: flex; flex-wrap: wrap; gap: .5rem; margin: .25rem 0 .5rem 0; }
.stat-pill { background: #0f1a1f; border: 1px solid #19333d; color: var(--fany1-white); padding: .2rem .55rem; border-radius: 999px; font-size: .8rem; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .5rem; }
.chip { display: inline-block; background: #1f1f1f; color: var(--fany1-white); border: 1px solid #333; border-radius: 999px; padding: .15rem .5rem; font-size: .85rem; }
.meta-row { margin-top: .65rem; }
.section-title { font-weight: 700; color: var(--fany1-white); font-size: .95rem; margin-right: .5rem; }
.meta-actions { margin-top: .9rem; display: flex; gap: .5rem; }
.btn-link { text-decoration: none; background: transparent; border: 1px solid var(--input-border); color: var(--fany1-white); padding: .45rem .8rem; border-radius: 8px; }
.btn-link:hover { border-color: var(--fany1-blue); }

/* === Forms === */

.form-error {
    color: #ff4d4f;
    margin: 0 0 0.5rem 0;
    min-height: 1.25rem; /* reserve space to avoid layout shift */
    text-align: center;
}

.form-group {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.url-input,
.process-button {
    font-size: 1rem;
    padding: 0.8rem 1.2rem;
    border: 1px solid transparent;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.url-input {
    min-width: 450px;
    background-color: var(--input-bg);
    color: var(--fg-color);
    border-color: var(--input-border);
}

.url-input:focus {
    outline: none;
    border-color: var(--fany1-blue);
    box-shadow: 0 0 15px var(--input-focus-glow);
}

.process-button {
    cursor: pointer;
    font-weight: bold;
    color: var(--fany1-white);
    background: var(--fany1-blue);
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.process-button:hover:not(:disabled) {
    background-color: #0099d1; /* A slightly darker blue for hover */
    transform: scale(1.02);
}

.process-button:focus {
    outline: none;
}
.process-button:focus-visible {
    box-shadow: 0 0 0 2px var(--bg-color), 0 0 0 4px var(--fany1-blue);
}

.process-button:disabled {
    background: var(--button-disabled-bg);
    color: var(--button-disabled-fg);
    cursor: not-allowed;
}

/* === Responsive === */
@media (max-width: 768px) {
    .form-group {
        flex-direction: column;
        align-items: stretch;
    }

    .url-input {
        min-width: auto;
        width: 100%;
    }
    .metadata-header { grid-template-columns: 1fr; }
    .metadata-thumb { width: 100%; height: auto; aspect-ratio: 16/9; }
}

/* === Animations === */
@keyframes pulse-glow {
    from {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.7;
    }
    to {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 1;
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-6px); }
    80% { transform: translateX(6px); }
}

.shake {
    animation: shake 0.3s linear 1;
}

/* Simple spinner reused on processing page */
.spinner {
    width: 16px; height: 16px; border-radius: 50%;
    border: 2px solid #2a2a2a; border-top-color: var(--fany1-blue);
    display: inline-block; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* === Editor (Cut) === */
.editor-wrap { max-width: 980px; margin: 0 auto; padding: 0 1rem; text-align: left; }
.player { margin-bottom: 1rem; }
.player video { width: 100%; height: auto; background: #000; border-radius: 8px; }
.source-row { margin: 0 0 .5rem 0; color: var(--fany1-gray); }

.editor-controls { background: rgba(255,255,255,0.03); border: 1px solid var(--input-border); border-radius: 12px; padding: .75rem; box-shadow: inset 0 0 40px rgba(0,175,240,0.04); }
.time-row { display: flex; align-items: center; justify-content: flex-end; margin-bottom: .5rem; }
.timecode { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; font-weight: 700; }

.timeline-wrap { position: relative; padding-top: .5rem; }
.timeline-range { width: 100%; margin: .25rem 0; }
.timeline-overlay { position: absolute; left: 0; right: 0; top: .5rem; height: 0; pointer-events: none; }
.marker { position: absolute; top: -6px; width: 0; height: 16px; border-left: 2px solid var(--fany1-orange); }
.marker-out { border-left-color: var(--fany1-blue); }
.hidden { display: none !important; }

.thumbs-strip { display: flex; gap: 6px; overflow-x: auto; padding: .35rem 0 .35rem 0; scroll-behavior: smooth; }
.thumbs-strip .thumb { display: block; border-radius: 6px; border: 1px solid var(--input-border); background: #111; cursor: pointer; box-shadow: 0 4px 10px rgba(0,0,0,0.3); }
.thumbs-strip .thumb:hover { outline: 2px solid var(--fany1-blue); }

.buttons-row { display: flex; align-items: center; gap: .5rem; margin-top: .5rem; }
.buttons-row .spacer { flex: 1; }

.clips-wrap { margin-top: 1rem; }
.clips-title { font-size: 1rem; font-weight: 800; margin-bottom: .35rem; }
.clips-list { list-style: none; padding-left: 0; display: flex; flex-direction: column; gap: .35rem; }
/* Clips list enhanced layout */
.clip-item { display: flex; flex-direction: column; align-items: flex-start; gap: .5rem; }
.clip-thumb { width: 120px; height: auto; border: 1px solid var(--input-border); border-radius: 6px; background: #111; box-shadow: 0 4px 10px rgba(0,0,0,0.3); cursor: pointer; }
.clip-thumb:hover { outline: 2px solid var(--fany1-blue); }
.clip-range { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; font-weight: 700; white-space: nowrap; }
/* Clip marker preview */
.clip-row { display: flex; align-items: center; gap: .6rem; margin-bottom: .4rem; }
.clip-marker { display: block; overflow: visible; }
.clip-marker-canvas { display: block; /* draw at natural pixel size */ }

/* Cut page overrides */
.page-cut { overflow: auto; }
.page-cut .site-main { align-items: flex-start; justify-content: center; overflow: visible; padding-bottom: 2rem; }

.clips-actions { margin-top: .75rem; }

.analysis-item video { width: 100%; height: auto; background: #000; border-radius: 8px; margin-bottom: .5rem; }
.details-card {
    background: #0f0f0f;
    padding: .75rem;
    border-radius: 6px;
    border: 1px solid #2a2a2a;
    margin-bottom: 1.5rem;
}
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: .5rem .75rem;
    font-size: .9rem;
}
.details-grid > div {
    background: transparent;
    padding: 0;
    border: none;
}
.details-grid .mono {
    margin-left: .5rem;
    color: var(--fany1-blue);
    font-weight: 700;
}
.analysis-item .json { background: #0f0f0f; color: var(--fany1-light-gray); padding: .5rem; border-radius: 6px; overflow: auto; }

/* Analyze page overrides */
.page-analyze { overflow: auto; }
.page-analyze .site-main { align-items: flex-start; justify-content: center; overflow: visible; padding: 2rem 1rem; }
.analyze-actions {
    margin-top: 1.5rem;
    text-align: center;
}

.chart-container {
    background: #0f0f0f;
    padding: .75rem;
    border-radius: 6px;
    border: 1px solid #2a2a2a;
    margin-top: 1rem;
}

.page-motion-results { overflow: auto; }
.page-motion-results .site-main { align-items: flex-start; justify-content: center; overflow: visible; padding: 2rem 1rem; }
.page-motion-results .analysis-wrap { max-width: 980px; width: 100%; margin: 0 auto; }
.page-motion-results .export-actions {
    max-width: 980px;
    width: 100%;
    margin: 1rem auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: stretch;
}
.page-motion-results .export-actions .process-button {
    align-self: flex-end;
}

.chart-selector {
    padding: 0.75rem;
    margin-top: 0.5rem;
    margin-bottom: 2rem;
    background: #0f0f0f;
    border: 1px solid #2a2a2a;
    border-radius: 6px;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
}
.chart-selector label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    cursor: pointer;
}
.chart-selector input[type="radio"] {
    transform: scale(1.2);
}

.clip-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #2a2a2a;
}
.clip-title .mono {
    color: var(--fany1-gray);
    font-size: 1rem;
}