/* Loading Interface Styles */

.loading-interface {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 0;
    width: 100%;
    height: 100%;
    min-height: 0;
}

/* ── Segment-line variant ─────────────────────────────────────── */

.loading-interface.timer-shell--segment-line {
    --segment-line-digit-width: clamp(48px, 10vw, 60px);
    --segment-line-digit-height: clamp(60px, 13vw, 76px);
    --segment-line-flip-gap: 6px;
    --segment-line-flip-span: calc(var(--segment-line-digit-width) * 2 + var(--segment-line-flip-gap));
    --segment-line-sentence-font-scale: 0.28125;
    --segment-line-passage-buffer: clamp(8px, 2vw, 16px);
    justify-content: center;
}

.timer-segment-line-row {
    position: relative;
    width: 100%;
    min-height: var(--segment-line-digit-height);
}

.timer-segment-line-passage {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: var(--segment-line-flip-span);
    min-height: var(--segment-line-digit-height);
    z-index: 1;
}

.timer-segment-line-countdown {
    position: relative;
    z-index: 2;
}

.timer-segment-line-emerge {
    position: absolute;
    left: calc(50% + var(--segment-line-flip-span) / 2 + var(--segment-line-passage-buffer));
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    height: var(--segment-line-digit-height);
    max-width: calc(50% - var(--segment-line-flip-span) / 2 - var(--segment-line-passage-buffer));
    overflow: hidden;
    display: flex;
    align-items: center;
}

.timer-segments--line {
    position: absolute;
    right: calc(50% + var(--segment-line-flip-span) / 2 + var(--segment-line-passage-buffer));
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    justify-content: flex-end;
    flex-wrap: nowrap;
    gap: 2px;
    width: max-content;
    max-width: calc(50% - var(--segment-line-flip-span) / 2 - var(--segment-line-passage-buffer) - 4px);
}

.timer-segments--line .timer-segment {
    flex: 0 0 auto;
    width: 8px;
    height: 12px;
    border-radius: 1px;
    transition: background 200ms ease, opacity 200ms ease;
}

.loading-interface.timer-shell--segment-line[data-segment-tone="white"][data-segment-opacity="50"] .timer-segments--line .timer-segment:not(.is-spent) {
    background: rgba(255, 255, 255, 0.5);
}

.timer-segments--line .timer-segment.is-spent {
    background: rgba(255, 255, 255, 0.08) !important;
    opacity: 0;
}

/* Flip tiles */
.timer-flip--segment-line {
    display: flex;
    gap: var(--segment-line-flip-gap);
}

.timer-flip-digit--tickflip {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid rgba(251, 191, 36, 0.4);
    border-top: 2px solid rgba(251, 191, 36, 0.7);
    background:
        linear-gradient(180deg, rgba(251, 191, 36, 0.08) 0%, rgba(255, 255, 255, 0.04) 28%),
        rgba(255, 255, 255, 0.06);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 8px 20px rgba(0, 0, 0, 0.22);
    color: var(--brand-gold);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    transform-origin: center bottom;
    backface-visibility: hidden;
    position: relative;
    width: var(--segment-line-digit-width);
    height: var(--segment-line-digit-height);
    font-size: calc(var(--segment-line-digit-height) * 0.72);
    background: rgba(14, 16, 22, 0.55);
}

.timer-flip-digit--tickflip::before {
    content: "";
    position: absolute;
    top: 0;
    left: 8%;
    right: 8%;
    height: 1px;
    background: rgba(0, 0, 0, 0.35);
    opacity: 0.6;
}

.timer-flip-digit--tickflip.is-flipping {
    animation: segment-line-flip-turn 420ms ease;
}

@keyframes segment-line-flip-turn {
    0% { transform: perspective(400px) rotateX(0deg); }
    50% { transform: perspective(400px) rotateX(-88deg); opacity: 0.35; }
    100% { transform: perspective(400px) rotateX(0deg); }
}

/* Sentence text */
.timer-segment-line-sentence-text {
    display: inline-block;
    white-space: nowrap;
    font-size: calc(var(--segment-line-digit-height) * var(--segment-line-sentence-font-scale));
    line-height: 1;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.5);
}

/* Waiting-pause and stale states */
.loading-interface.timer-shell--segment-line.is-paused-waiting .timer-flip-digit--tickflip {
    animation: loading-wait-pulse 1800ms ease-in-out infinite;
    text-shadow: 0 0 40px rgba(251, 191, 36, 0.3);
}

.loading-interface.timer-shell--segment-line.is-stale .timer-segments--line .timer-segment:not(.is-spent) {
    filter: saturate(0.45);
    opacity: 0.55;
}

.loading-interface.timer-shell--segment-line.is-stale .timer-flip-digit--tickflip {
    color: rgba(251, 191, 36, 0.45);
    border-color: rgba(251, 191, 36, 0.2);
}

.loading-interface.timer-shell--segment-line.is-stale .timer-segment-line-sentence-text {
    color: rgba(255, 255, 255, 0.22);
}

/* Auto-play toggle */
.loading-autoplay-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: clamp(12px, 3vw, 20px);
    cursor: pointer;
    user-select: none;
}

.loading-autoplay-checkbox {
    width: 15px;
    height: 15px;
    margin: 0;
    accent-color: var(--brand-gold);
    cursor: pointer;
}

.loading-autoplay-toggle-label {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: rgba(255, 255, 255, 0.55);
    transition: color 0.2s ease;
}

.loading-autoplay-toggle:hover .loading-autoplay-toggle-label {
    color: rgba(255, 255, 255, 0.8);
}

/* ── End segment-line variant ─────────────────────────────────── */

/* Title row in the progress strip — dotted gold pill */
.loading-title-row {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    position: relative;
    cursor: text;
    min-width: 0;
    height: 58px;
    padding: 4px 12px;
    border: 1px dashed rgba(251, 191, 36, 0.45);
    border-radius: 8px;
    background: rgba(251, 191, 36, 0.05);
    transition: background 0.2s ease;
    margin: 0 var(--input-text-content-padding-inline, 14px);
}

.loading-title-row:focus-within {
    background: rgba(251, 191, 36, 0.62);
}

.loading-title-row .overlay-title-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    color: rgba(251, 191, 36, 0.62);
    font-size: 20px;
    font-weight: 400;
    font-style: italic;
    pointer-events: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity 0.15s ease;
    opacity: 1;
}

.loading-title-row:focus-within .overlay-title-placeholder {
    opacity: 0;
}

.loading-title-row.has-value .overlay-title-placeholder {
    opacity: 0;
}

.loading-title-row .overlay-title-input {
    display: block;
    width: 100%;
    padding: 0;
    background: transparent;
    border: none;
    color: rgba(251, 191, 36, 0.62);
    font-size: 20px;
    font-weight: 400;
    font-style: italic;
    text-align: center;
    outline: none;
    font-family: inherit;
    caret-color: rgba(251, 191, 36, 0.62);
}

.loading-title-row:focus-within .overlay-title-input {
    color: rgba(26, 26, 26, 0.95);
    caret-color: rgba(26, 26, 26, 0.95);
}

/* Hide native caret and show block cursor when pill is focused and empty */
.loading-title-row.is-empty:focus-within .overlay-title-input {
    caret-color: transparent;
}

.loading-title-block-cursor {
    display: none;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 11px;
    height: 22px;
    background: rgba(26, 26, 26, 0.88);
    pointer-events: none;
}

.loading-title-row.is-empty:focus-within .loading-title-block-cursor {
    display: block;
    animation: loading-title-block-cursor-blink 1s step-start infinite;
}

@keyframes loading-title-block-cursor-blink {
    0%, 49.9% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

@keyframes loading-wait-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.92;
    }
    50% {
        transform: scale(1.025);
        opacity: 1;
    }
}

/* Article-title display span (URL extraction mode) */
.overlay-title-display {
    display: none;
    width: 100%;
    color: rgba(251, 191, 36, 0.62);
    font-size: 16px;
    font-weight: 400;
    font-style: italic;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
}

.loading-title-row.is-url-article .overlay-title-display {
    display: block;
}

.loading-title-row.is-url-article .overlay-title-input,
.loading-title-row.is-url-article .overlay-title-placeholder,
.loading-title-row.is-url-article .loading-title-block-cursor {
    display: none;
}

.loading-title-readout {
    display: none;
    width: 100%;
    color: rgba(251, 191, 36, 0.62);
    font-size: 16px;
    font-weight: 400;
    font-style: italic;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
}

/* Hint text below the title pill */
.title-row-hint {
    margin: 4px var(--input-text-content-padding-inline, 14px) 0;
    font-size: 12px;
    font-style: italic;
    font-weight: 400;
    color: rgba(251, 191, 36, 0.50);
    text-align: center;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.loading-title-row.has-value ~ .title-row-hint {
    opacity: 0;
}