:root {
    --bg-top: #f5e8d8;
    --bg-bottom: #e4f2f0;
    --card: rgba(255, 250, 243, 0.8);
    --card-strong: rgba(255, 255, 255, 0.92);
    --line: rgba(41, 54, 64, 0.12);
    --text: #24313c;
    --muted: #5f6d78;
    --accent: #bb5a2a;
    --accent-strong: #8d3c16;
    --shadow: 0 24px 80px rgba(73, 90, 101, 0.16);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Space Grotesk", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.7), transparent 32%),
        radial-gradient(circle at bottom right, rgba(187, 90, 42, 0.14), transparent 30%),
        linear-gradient(135deg, var(--bg-top), var(--bg-bottom));
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(36, 49, 60, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(36, 49, 60, 0.03) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}

.page-shell {
    position: relative;
    max-width: 1120px;
    margin: 0 auto;
    padding: 48px 20px 72px;
}

.hero-card,
.detail-card {
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
}

.hero-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px;
    border-radius: 32px;
    background: linear-gradient(160deg, var(--card-strong), var(--card));
    animation: rise 500ms ease-out;
}

.hero-copy h1,
.detail-card h2 {
    margin: 0;
    font-family: "Source Serif 4", serif;
}

.hero-copy {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-copy h1 {
    font-size: clamp(2.1rem, 3.4vw, 3.4rem);
    line-height: 1.02;
    max-width: none;
}

.eyebrow {
    margin: 0;
    color: var(--accent-strong);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: 0.78rem;
    font-weight: 700;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px 24px;
    margin-top: 18px;
    color: var(--muted);
}

.hero-meta p {
    margin: 0;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
    justify-content: center;
}

button {
    border: none;
    border-radius: 999px;
    padding: 13px 20px;
    font: inherit;
    cursor: pointer;
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

button:hover {
    transform: translateY(-1px);
}

#refresh-button {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    box-shadow: 0 12px 24px rgba(141, 60, 22, 0.25);
}

button.secondary {
    background: rgba(255, 255, 255, 0.88);
    color: var(--text);
    box-shadow: inset 0 0 0 1px rgba(36, 49, 60, 0.12);
}

.status,
.timestamp {
    margin: 14px 0 0;
    color: var(--muted);
}

.qr-board {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.qr-stack {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.qr-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 18px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(36, 49, 60, 0.08);
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.qr-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(73, 90, 101, 0.12);
}

.qr-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    min-height: 30px;
}

.qr-type-code {
    margin: 0;
    color: var(--accent-strong);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.qr-title {
    margin: 0;
    font-size: 1.05rem;
}

.qr-frame {
    display: grid;
    place-items: center;
    width: min(100%, 220px);
    aspect-ratio: 1;
    padding: 18px;
    border-radius: 24px;
    background: #fff;
    box-shadow: inset 0 0 0 1px rgba(36, 49, 60, 0.08);
}

.qr-frame img,
.qr-frame canvas {
    max-width: 100%;
    height: auto;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 22px;
}

}

.url-row:first-child {
    padding-top: 0;
    border-top: none;
}

.url-label {
    margin: 0;
    color: var(--text);
    font-weight: 700;
}

.url-row .mono {
    margin-top: 8px;
}

.settings-form {
    margin-top: 14px;
}

.settings-accordion {
    width: 100%;
}

.settings-accordion summary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: inset 0 0 0 1px rgba(36, 49, 60, 0.1);
    color: var(--text);
    cursor: pointer;
    user-select: none;
    font-weight: 700;
}

.settings-accordion summary::-webkit-details-marker {
    display: none;
}

.settings-accordion summary::after {
    content: "+";
    color: var(--accent-strong);
    font-size: 1rem;
}

.settings-accordion[open] summary::after {
    content: "-";
}

.field-label {
    display: block;
    margin-top: 16px;
    color: var(--text);
    font-weight: 700;
}

.field-input {
    width: 100%;
    margin-top: 10px;
    padding: 14px 16px;
    border: 1px solid rgba(36, 49, 60, 0.14);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--text);
    font: inherit;
    resize: vertical;
}

.field-input:focus {
    outline: 2px solid rgba(187, 90, 42, 0.25);
    border-color: rgba(187, 90, 42, 0.4);
}

.field-help {
    margin: 10px 0 0;
    font-size: 0.94rem;
}

.settings-actions {
    margin-top: 20px;
}

.detail-card.wide {
    grid-column: span 2;
}

.mono {
    font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
    color: var(--text);
}

.break-all {
    word-break: break-all;
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 900px) {
    .hero-card,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .qr-stack {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .detail-card.wide {
        grid-column: span 1;
    }
}

@media (max-width: 600px) {
    .page-shell {
        padding: 28px 14px 48px;
    }

    .hero-card,
    .detail-card {
        border-radius: 24px;
    }

    .hero-card {
        padding: 20px;
    }

    .hero-copy h1 {
        max-width: none;
    }

    .actions {
        flex-direction: column;
    }

    .qr-stack {
        grid-template-columns: 1fr;
    }

    .hero-meta {
        flex-direction: column;
        gap: 8px;
    }

    button {
        width: 100%;
    }

    .field-input {
        border-radius: 16px;
    }
}