/* ═══════════════════════════════════════════════════════
   Powertech Queue Board – Public Display
   Light theme, responsive, Powertech-branded
   ═══════════════════════════════════════════════════════ */

:root {
    --ptq-bg: #f5f5f7;
    --ptq-card-bg: #ffffff;
    --ptq-header-bg: #031c44;
    --ptq-primary: #0079b1;
    --ptq-primary-dark: #00588f;
    --ptq-text: #1d1d1f;
    --ptq-text-secondary: #86868b;
    --ptq-border: #d2d2d7;
    --ptq-radius-lg: 20px;
    --ptq-radius-md: 12px;
    --ptq-ticker-bg: #0079b1;
    --ptq-ticker-text: #ffffff;
    --ptq-font: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ── Board wrapper ── */
.ptq-board {
    background: var(--ptq-bg);
    font-family: var(--ptq-font);
    color: var(--ptq-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
}

/* ── Fullscreen mode: add ?fullscreen=1 or class .ptq-fullscreen ── */
.ptq-board.ptq-fullscreen,
.ptq-board[data-fullscreen="1"] {
    position: fixed;
    inset: 0;
    z-index: 999999;
    overflow: hidden;
}

/* ── Header ── */
.ptq-header {
    background: var(--ptq-header-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(12px, 2vh, 28px) clamp(16px, 3vw, 48px);
    margin-bottom: 0;
}

.ptq-header-left {
    display: flex;
    align-items: center;
    gap: clamp(8px, 1vw, 16px);
}

.ptq-logo-icon {
    width: clamp(28px, 4vw, 50px);
    height: clamp(28px, 4vw, 50px);
    background: var(--ptq-primary);
    border-radius: var(--ptq-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: clamp(14px, 2vw, 26px);
    color: #fff;
    flex-shrink: 0;
}

.ptq-header h3 {
    margin: 0;
    font-size: clamp(16px, 2.4vw, 32px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    line-height: 1.2;
}

.ptq-subtitle {
    margin: 0;
    font-size: clamp(11px, 1.2vw, 18px);
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

.ptq-header-right {
    display: flex;
    align-items: center;
    gap: clamp(8px, 1vw, 20px);
}

.ptq-fullscreen-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.6);
    padding: clamp(4px, 0.5vw, 8px);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background 0.2s;
    flex-shrink: 0;
}

.ptq-fullscreen-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.ptq-fullscreen-btn svg {
    width: clamp(16px, 1.8vw, 26px);
    height: clamp(16px, 1.8vw, 26px);
    display: block;
}

.ptq-fs-compress {
    display: none;
}

/* Swap icons when in native fullscreen */
.ptq-board:fullscreen .ptq-fs-expand,
.ptq-board:-webkit-full-screen .ptq-fs-expand {
    display: none;
}

.ptq-board:fullscreen .ptq-fs-compress,
.ptq-board:-webkit-full-screen .ptq-fs-compress {
    display: block;
}

/* Board fills screen in native fullscreen */
.ptq-board:fullscreen,
.ptq-board:-webkit-full-screen {
    width: 100vw;
    height: 100vh;
    overflow-y: auto;
    background: var(--ptq-bg);
}

.ptq-clock {
    font-size: clamp(13px, 1.8vw, 26px);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    white-space: nowrap;
}

/* ── Video banner (vertical YouTube via IFrame API) ── */
.ptq-video-banner {
    width: 100%;
    aspect-ratio: 9 / 16;
    max-height: 40vh;
    overflow: hidden;
    position: relative;
    background: #000;
}

.ptq-video-banner iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300%;
    height: 100%;
    transform: translate(-50%, -50%);
    border: 0;
    pointer-events: none;
}

/* ── Unmute overlay ── */
.ptq-unmute-overlay {
    position: absolute;
    inset: 0;
    z-index: 10;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: clamp(12px, 2vh, 24px);
    cursor: pointer;
    background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 40%);
}

.ptq-unmute-overlay.ptq-hidden {
    display: none;
}

.ptq-unmute-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    padding: 10px 20px;
    border-radius: 100px;
    font-size: clamp(12px, 1.2vw, 16px);
    font-weight: 600;
    font-family: var(--ptq-font);
    transition: background 0.2s;
}

.ptq-unmute-btn svg {
    width: clamp(20px, 2vw, 32px);
    height: clamp(20px, 2vw, 32px);
    flex-shrink: 0;
}

.ptq-unmute-overlay:hover .ptq-unmute-btn {
    background: rgba(0, 121, 177, 0.8);
}

/* ── Department cards grid (branch view) ── */
.ptq-branch-board {
    padding: clamp(12px, 2vw, 36px);
}

.ptq-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: clamp(12px, 2vw, 30px);
}

.ptq-department-group {
    border: none;
    border-top: none;
    padding-top: 0;
    margin-top: 0;
}

/* ── Card ── */
.ptq-card {
    background: var(--ptq-card-bg);
    border-radius: var(--ptq-radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-align: center;
    border: 1px solid var(--ptq-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.ptq-card-dept-header {
    padding: clamp(8px, 1.2vh, 18px) clamp(8px, 1vw, 16px);
    font-size: clamp(12px, 1.6vw, 22px);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #fff;
    background: var(--ptq-primary);
}

.ptq-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: clamp(12px, 2vh, 24px) clamp(8px, 1vw, 16px);
}

.ptq-card-label {
    font-size: clamp(10px, 1.2vw, 18px);
    color: var(--ptq-text-secondary);
    font-weight: 500;
    margin-bottom: clamp(2px, 0.3vh, 6px);
}

.ptq-card-number {
    font-size: clamp(2.5rem, 7vw, 5.5rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--ptq-text);
}

.ptq-card-footer {
    background: var(--ptq-bg);
    padding: clamp(8px, 1vh, 16px);
    font-size: clamp(11px, 1.2vw, 18px);
    font-weight: 600;
    color: var(--ptq-text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(4px, 0.5vw, 10px);
    border-top: 1px solid var(--ptq-border);
}

.ptq-card-footer svg {
    width: clamp(14px, 1.4vw, 20px);
    height: clamp(14px, 1.4vw, 20px);
    flex-shrink: 0;
}

/* ── Blinking animation for newly called ticket ── */
@keyframes ptq-blink {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
        border-color: var(--ptq-border);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(0, 121, 177, 0.35), 0 0 40px rgba(0, 121, 177, 0.2);
        border-color: var(--ptq-primary);
        background: #e8f4fa;
    }
}

@keyframes ptq-blink-number {
    0%, 100% { color: var(--ptq-primary); }
    50% { color: var(--ptq-primary-dark); transform: scale(1.05); }
}

.ptq-card.ptq-blink {
    animation: ptq-blink 0.8s ease-in-out 8;
    border: 2px solid var(--ptq-primary);
}

.ptq-card.ptq-blink .ptq-card-number {
    color: var(--ptq-primary);
    animation: ptq-blink-number 0.8s ease-in-out 8;
}

.ptq-card.ptq-blink .ptq-card-dept-header {
    animation: ptq-header-flash 0.8s ease-in-out 8;
}

@keyframes ptq-header-flash {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3); }
}

/* ── Table row blink (department view) ── */
@keyframes ptq-row-blink {
    0%, 100% { background: transparent; }
    50% { background: #e8f4fa; }
}

.ptq-table tbody tr.ptq-blink-row {
    animation: ptq-row-blink 0.8s ease-in-out 8;
}

.ptq-table tbody tr.ptq-blink-row .ptq-serving {
    color: var(--ptq-primary);
    animation: ptq-blink-number 0.8s ease-in-out 8;
}

/* ── Closed window ── */
.ptq-closed {
    color: var(--ptq-text-secondary);
    font-style: italic;
    font-size: clamp(1rem, 2vw, 1.5rem);
}

/* ── Single department view (table-based) ── */
.ptq-department-board {
    padding: clamp(12px, 2vw, 36px);
}

.ptq-department-board .ptq-header {
    border-radius: var(--ptq-radius-lg) var(--ptq-radius-lg) 0 0;
    margin-bottom: 0;
}

.ptq-table-wrap {
    background: var(--ptq-card-bg);
    border-radius: 0 0 var(--ptq-radius-lg) var(--ptq-radius-lg);
    border: 1px solid var(--ptq-border);
    border-top: none;
    overflow: hidden;
}

.ptq-table {
    width: 100%;
    border-collapse: collapse;
}

.ptq-table th,
.ptq-table td {
    padding: clamp(10px, 1.5vh, 20px) clamp(12px, 2vw, 24px);
    text-align: left;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.ptq-table th {
    font-size: clamp(11px, 1.1vw, 16px);
    color: var(--ptq-text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: var(--ptq-bg);
}

.ptq-table td {
    font-size: clamp(13px, 1.4vw, 20px);
}

.ptq-table tbody tr:last-child td {
    border-bottom: none;
}

.ptq-serving {
    font-weight: 900;
    font-size: clamp(18px, 2.5vw, 36px);
    color: var(--ptq-text);
    letter-spacing: -0.02em;
}

/* ── Ticker / marquee footer ── */
.ptq-ticker {
    background: var(--ptq-ticker-bg);
    color: var(--ptq-ticker-text);
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
    height: clamp(32px, 4.5vh, 56px);
    font-size: clamp(12px, 1.6vw, 22px);
    font-weight: 600;
}

.ptq-ticker-text {
    white-space: nowrap;
    position: absolute;
    will-change: transform;
    animation: ptq-ticker-scroll 25s linear infinite;
}

@keyframes ptq-ticker-scroll {
    0%   { transform: translateX(100vw); }
    100% { transform: translateX(-100%); }
}

/* ── Empty states ── */
.ptq-empty,
.ptq-empty-row,
.ptq-inline-empty {
    color: var(--ptq-text-secondary);
    text-align: center;
    padding: clamp(16px, 3vh, 40px);
    font-size: clamp(12px, 1.2vw, 18px);
}

/* ── Legacy inline list (hidden in card mode, fallback) ── */
.ptq-inline-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ptq-inline-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 8px 0;
}

.ptq-inline-label {
    color: var(--ptq-text);
}

.ptq-inline-value {
    font-weight: 700;
}

/* ═══════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════ */

@media (max-width: 900px) {
    .ptq-cards-grid {
        grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
    }

    .ptq-card-number {
        font-size: clamp(2rem, 10vw, 4rem);
    }
}

@media (max-width: 600px) {
    .ptq-cards-grid {
        grid-template-columns: 1fr;
    }

    .ptq-header {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }

    .ptq-clock {
        font-size: clamp(11px, 3vw, 16px);
    }
}