:root {
    --bg: #09090f;
    --card: rgba(14, 15, 22, 0.92);
    --card-border: rgba(255, 255, 255, 0.06);
    --text: #f7f8fc;
    --muted: #97a1b8;
    --primary: #87f5c4;
    --primary-strong: #49d99b;
    --danger: #ff7d7d;
    --shadow: 0 30px 80px rgba(0, 0, 0, 0.42);
}

* {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

html,
body {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", sans-serif;
    background:
        radial-gradient(circle at top, rgba(135, 245, 196, 0.12), transparent 32%),
        radial-gradient(circle at bottom right, rgba(72, 105, 200, 0.12), transparent 26%),
        linear-gradient(180deg, #05060a, #0a0c12 56%, #090b11);
    color: var(--text);
    min-height: 100vh;
    min-height: 100dvh;
    overflow: hidden;
    overscroll-behavior: none;
}

.public-body {
    display: block;
    height: 100vh;
    height: 100dvh;
    padding:
        max(8px, env(safe-area-inset-top))
        8px
        max(10px, env(safe-area-inset-bottom))
        8px;
    overflow: hidden;
}

.app-shell {
    width: min(100%, 720px);
    margin: 0 auto;
    height: calc(100vh - 18px);
    height: calc(100dvh - 18px);
    overflow: hidden;
}

.scanner-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 30px;
    padding: 14px 14px 12px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
    overflow: hidden;
    position: relative;
}

.scanner-card::before,
.scanner-card::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    filter: blur(12px);
    opacity: 0.32;
    pointer-events: none;
    z-index: 0;
}

.scanner-card::before {
    width: 180px;
    height: 180px;
    top: 8%;
    left: -48px;
    background: radial-gradient(circle, rgba(135, 245, 196, 0.34), transparent 72%);
    animation: driftGlowA 11s ease-in-out infinite;
}

.scanner-card::after {
    width: 220px;
    height: 220px;
    right: -72px;
    bottom: 10%;
    background: radial-gradient(circle, rgba(89, 123, 255, 0.22), transparent 74%);
    animation: driftGlowB 14s ease-in-out infinite;
}

.scanner-card__header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 12px;
    text-align: center;
    width: 100%;
    position: relative;
    z-index: 1;
}

.scanner-card__header h1 {
    margin: 0;
    font-size: clamp(1.55rem, 7.5vw, 2.2rem);
    line-height: 1;
    letter-spacing: -0.04em;
}

.offline-ready-banner {
    position: absolute;
    top: max(12px, env(safe-area-inset-top));
    left: 50%;
    transform: translateX(-50%);
    z-index: 6;
    min-width: 180px;
    max-width: calc(100% - 28px);
    padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid rgba(135, 245, 196, 0.24);
    background: rgba(9, 18, 14, 0.88);
    color: #dfffee;
    text-align: center;
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    box-shadow:
        0 18px 36px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    animation: offlineBannerIn 0.45s ease;
}

.install-banner {
    position: absolute;
    top: max(12px, env(safe-area-inset-top));
    left: 50%;
    transform: translateX(-50%);
    z-index: 6;
    width: min(calc(100% - 28px), 460px);
    display: grid;
    gap: 14px;
    padding: 16px 18px;
    border-radius: 24px;
    border: 1px solid rgba(143, 245, 200, 0.16);
    background:
        linear-gradient(135deg, rgba(11, 23, 25, 0.96), rgba(10, 16, 29, 0.94)),
        radial-gradient(circle at top right, rgba(135, 245, 196, 0.16), transparent 42%);
    box-shadow:
        0 18px 36px rgba(0, 0, 0, 0.34),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(18px);
    animation: offlineBannerIn 0.45s ease;
}

.install-banner__copy {
    display: grid;
    gap: 6px;
}

.install-banner__copy strong {
    font-size: 1rem;
    color: #f6fbff;
}

.install-banner__copy span {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.45;
}

.install-banner__actions {
    display: flex;
    gap: 10px;
}

.install-banner__install,
.install-banner__dismiss {
    appearance: none;
    border: 0;
    border-radius: 999px;
    min-height: 46px;
    padding: 0 18px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.install-banner__install {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: #062415;
    box-shadow: 0 12px 24px rgba(53, 208, 143, 0.26);
}

.install-banner__dismiss {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 0.68rem;
    color: var(--primary);
    white-space: nowrap;
    padding-top: 4px;
}

.scanner-stage {
    --scan-box-size: 300px;
    position: relative;
    border-radius: 26px;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
    border: 1px solid rgba(255,255,255,0.05);
    min-height: 0;
    width: min(calc(var(--scan-box-size) + 40px), 100%);
    height: min(calc(var(--scan-box-size) + 40px), calc(100dvh - 170px));
    aspect-ratio: 1;
    flex: 0 0 auto;
    align-self: center;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.04),
        0 20px 40px rgba(0,0,0,0.24);
    z-index: 1;
}

.scanner-stage::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.28;
    transform: translate3d(0, 0, 0);
    animation: gridDrift 16s linear infinite;
    pointer-events: none;
    z-index: 1;
}

.scanner-reader {
    position: relative;
    min-height: 0;
    height: 100%;
    overflow: hidden;
    border-radius: 26px;
}

#scanner-reader video {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    border-radius: 26px;
}

#scanner-reader,
#scanner-reader > div,
#scanner-reader section,
#scanner-reader__scan_region,
#scanner-reader__scan_region > div {
    width: 100% !important;
    height: 100% !important;
}

#scanner-reader__scan_region {
    min-height: 0 !important;
    padding: 0 !important;
    display: grid !important;
    place-items: center !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

#scanner-reader img {
    max-width: 100%;
}

.scanner-overlay {
    pointer-events: none;
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    z-index: 4;
}

.scanner-frame {
    width: min(var(--scan-box-size), calc(100% - 36px));
    aspect-ratio: 1;
    border-radius: 26px;
    border: 3px solid rgba(135, 245, 196, 0.92);
    box-shadow: 0 0 0 999px rgba(0, 0, 0, 0.22);
    position: relative;
    animation: pulse 2.2s ease-in-out infinite;
}

.scanner-frame::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    border-top: 4px solid rgba(255, 255, 255, 0.9);
    animation: scanline 2s linear infinite;
}

#scanner-reader__dashboard,
#scanner-reader__dashboard_section,
#scanner-reader__header_message,
#scanner-reader__scan_region img,
#scanner-reader__scan_region svg,
#scanner-reader__scan_region br {
    display: none !important;
}

.status-pill,
.invalid-panel,
.meme-panel {
    margin-top: 12px;
    border-radius: 18px;
    padding: 12px 14px;
    border: 1px solid rgba(255,255,255,0.06);
    position: relative;
    z-index: 1;
}

.status-pill {
    background: rgba(255,255,255,0.035);
    color: var(--muted);
    font-size: 0.84rem;
    text-align: center;
    width: 100%;
}

.invalid-panel {
    background: rgba(255, 125, 125, 0.08);
    color: #ffd8d8;
    line-height: 1.4;
    text-align: center;
    width: 100%;
}

.meme-panel {
    display: flex;
    flex-direction: column;
    gap: 28px;
    background:
        radial-gradient(circle at top, rgba(135, 245, 196, 0.18), transparent 52%),
        linear-gradient(180deg, rgba(15, 18, 27, 0.96), rgba(9, 11, 17, 0.98));
    text-align: center;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: min(calc(100dvh - 170px), 560px);
    flex: 0 0 auto;
    align-self: center;
    padding: 28px 22px;
    border-radius: 30px;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.04),
        0 20px 40px rgba(0,0,0,0.24);
    overflow: hidden;
}

.meme-panel::before,
.meme-panel::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
}

.meme-panel::before {
    width: 240px;
    height: 240px;
    top: -84px;
    right: -52px;
    background: radial-gradient(circle, rgba(135,245,196,0.22), transparent 70%);
    filter: blur(14px);
    animation: driftGlowB 12s ease-in-out infinite;
}

.meme-panel::after {
    inset: 0;
    background:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 28px 28px;
    opacity: 0.22;
    animation: gridDrift 18s linear infinite reverse;
}

.player-stage {
    position: relative;
    width: min(260px, 72vw);
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    z-index: 1;
}

.player-stage__disc,
.player-stage__pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
}

.player-stage__disc {
    background:
        radial-gradient(circle at 35% 32%, rgba(255,255,255,0.24), transparent 18%),
        radial-gradient(circle at center, rgba(135,245,196,0.26), rgba(73,217,155,0.05) 62%, rgba(255,255,255,0.04) 63%, transparent 64%),
        linear-gradient(135deg, rgba(135,245,196,0.34), rgba(73,217,155,0.12));
    border: 1px solid rgba(135,245,196,0.28);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.12),
        0 24px 48px rgba(0, 0, 0, 0.32);
}

.player-stage__disc::before,
.player-stage__disc::after {
    content: "";
    position: absolute;
    border-radius: 50%;
}

.player-stage__disc::before {
    inset: 18%;
    background: rgba(6, 13, 13, 0.88);
    border: 1px solid rgba(255,255,255,0.08);
}

.player-stage__disc::after {
    inset: 42%;
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    box-shadow: 0 0 24px rgba(135,245,196,0.35);
}

.player-stage__pulse {
    inset: -14px;
    border: 1px solid rgba(135,245,196,0.16);
    animation: playerPulse 2.6s ease-in-out infinite;
}

.player-buttons {
    width: min(100%, 420px);
    display: grid;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.primary-button {
    appearance: none;
    border: 0;
    border-radius: 999px;
    min-height: 58px;
    width: 100%;
    padding: 14px 20px;
    font-size: 1rem;
    font-weight: 700;
    color: #062415;
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    box-shadow: 0 14px 30px rgba(53, 208, 143, 0.28);
}

.primary-button:hover,
.primary-button:focus-visible {
    transform: translateY(-1px) scale(1.01);
}

.player-button,
.next-button-large {
    min-height: 68px;
    font-size: 1.2rem;
    letter-spacing: 0.01em;
}

.player-button {
    min-height: 88px;
    font-size: 1.45rem;
}

.next-button-large {
    min-height: 78px;
    font-size: 1.2rem;
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
    color: var(--text);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: none;
}

#scanner-reader__dashboard_section_csr button,
#scanner-reader__dashboard_section_swaplink {
    border-radius: 999px !important;
}

#scanner-reader__dashboard_section_csr button {
    min-height: 44px !important;
    font-size: 0.9rem !important;
    padding: 0 18px !important;
}

#scanner-reader__dashboard_section_swaplink {
    display: inline-flex !important;
    align-items: center !important;
    min-height: 44px !important;
}

@keyframes scanline {
    0% { transform: translateY(0); opacity: 0.15; }
    50% { transform: translateY(220px); opacity: 0.9; }
    100% { transform: translateY(0); opacity: 0.15; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

@keyframes playerPulse {
    0%, 100% { transform: scale(0.98); opacity: 0.55; }
    50% { transform: scale(1.04); opacity: 1; }
}

@keyframes driftGlowA {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(24px, 18px, 0) scale(1.08); }
}

@keyframes driftGlowB {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(-18px, -24px, 0) scale(1.06); }
}

@keyframes gridDrift {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(24px, 24px, 0); }
}

@keyframes offlineBannerIn {
    0% { transform: translateX(-50%) translateY(-10px); opacity: 0; }
    100% { transform: translateX(-50%) translateY(0); opacity: 1; }
}

@media (min-width: 700px) {
    .public-body {
        display: grid;
        place-items: center;
        padding: 20px;
        overflow: auto;
    }

    .app-shell,
    .scanner-card {
        min-height: auto;
        height: auto;
    }

    .scanner-card {
        padding: 34px;
    }

    .scanner-stage,
    .scanner-reader,
    #scanner-reader__scan_region {
        min-height: 420px !important;
        height: 420px !important;
    }

    .meme-panel {
        align-items: center;
        justify-content: center;
        flex-direction: column;
        min-height: 520px;
    }

    .primary-button {
        width: auto;
        min-width: 180px;
    }

    .next-button-large {
        width: min(100%, 360px);
    }

    .player-buttons {
        width: min(100%, 360px);
    }
}

@media (max-width: 420px) {
    .install-banner {
        padding: 14px 14px 14px;
    }

    .install-banner__actions {
        display: grid;
        grid-template-columns: 1fr auto;
    }

    .scanner-card {
        padding: 16px;
        border-radius: 24px;
    }

    .scanner-stage,
    .scanner-reader,
    #scanner-reader__scan_region {
        height: min(calc(var(--scan-box-size) + 32px), calc(100dvh - 170px)) !important;
        min-height: 0 !important;
    }

    .scanner-card__header h1 {
        letter-spacing: -0.03em;
    }

    .player-stage {
        width: min(240px, 42vw);
    }
}