:root {
    color-scheme: light dark;
    font-family: "Segoe UI", Tahoma, sans-serif;
    --bg: #181817;
    --text-primary: #e6e6e3;
    --text-muted: #b5b5ad;
    --text-subtle: #8f8f88;
    --surface: #20201f;
    --surface-border: rgba(255, 255, 255, 0.06);
    --surface-shadow:
        0 20px 50px -32px rgba(0, 0, 0, 0.45),
        0 8px 24px -18px rgba(0, 0, 0, 0.32);
    --panel-bg: rgba(255, 255, 255, 0.03);
    --panel-border: rgba(255, 255, 255, 0.04);
    --section-divider: rgba(255, 255, 255, 0.05);
    --heading-subtle: rgba(230, 230, 227, 0.62);
    --commands-glow: rgba(34, 197, 94, 0.16);
    --control-bg: rgba(26, 26, 24, 0.82);
    --control-border: rgba(255, 255, 255, 0.04);
    --control-highlight: rgba(34, 197, 94, 0.08);
    --control-shadow:
        0 14px 34px -22px rgba(0, 0, 0, 0.38),
        0 6px 18px -12px rgba(0, 0, 0, 0.28);
    --input-bg: #121211;
    --input-border: rgba(255, 255, 255, 0.14);
    --input-text: #f2f2ef;
    --accent: #22c55e;
    --accent-contrast: #062a14;
    --accent-soft: rgba(34, 197, 94, 0.2);
    --accent-ring: rgba(34, 197, 94, 0.3);
    --status-bg: rgba(239, 68, 68, 0.14);
    --status-border: rgba(239, 68, 68, 0.36);
    --warning-bg: rgba(250, 204, 21, 0.18);
    --warning-border: rgba(250, 204, 21, 0.36);
    --commands-bg: #121211;
    --commands-border: rgba(255, 255, 255, 0.06);
    --commands-hover: #161615;
    --footer-text: rgba(230, 230, 227, 0.46);
    --card-surface: color-mix(in srgb, var(--surface) 86%, transparent);
    --card-border: color-mix(in srgb, var(--surface-border) 55%, transparent);
    --input-surface: color-mix(in srgb, var(--control-bg) 88%, transparent);
    --input-border-mix: color-mix(
        in srgb,
        var(--control-border) 55%,
        transparent
    );
    --commands-surface: color-mix(in srgb, var(--commands-bg) 92%, transparent);
    --commands-border-mix: color-mix(
        in srgb,
        var(--commands-border) 55%,
        transparent
    );
    --detail-surface: color-mix(in srgb, var(--panel-bg) 86%, transparent);
    --detail-border-mix: color-mix(
        in srgb,
        var(--panel-border) 55%,
        transparent
    );
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f8f9fa;
        --text-primary: #1a202c;
        --text-muted: #4b5563;
        --text-subtle: #6b7280;
        --surface: #ffffff;
        --surface-border: rgba(15, 23, 42, 0.03);
        --surface-shadow:
            \r012px28px-18pxrgba(15, 23, 42, 0.12),
            \r06px16px-12pxrgba(15, 23, 42, 0.07);
        --panel-bg: rgba(255, 255, 255, 0.96);
        --panel-border: rgba(15, 23, 42, 0.03);
        --section-divider: rgba(15, 23, 42, 0.05);
        --heading-subtle: rgba(30, 41, 59, 0.54);
        --commands-glow: rgba(21, 128, 61, 0.18);
        --control-bg: rgba(255, 255, 255, 0.98);
        --control-border: rgba(15, 23, 42, 0.03);
        --control-highlight: rgba(21, 128, 61, 0.08);
        --control-shadow:
            \r010px24px-16pxrgba(15, 23, 42, 0.1),
            \r04px12px-10pxrgba(15, 23, 42, 0.06);
        --input-bg: #ffffff;
        --input-border: rgba(15, 23, 42, 0.1);
        --input-text: #1a202c;
        --accent: #15803d;
        --accent-contrast: #f3fff7;
        --accent-soft: rgba(21, 128, 61, 0.22);
        --accent-ring: rgba(21, 128, 61, 0.32);
        --status-bg: rgba(220, 38, 38, 0.12);
        --status-border: rgba(220, 38, 38, 0.28);
        --warning-bg: rgba(251, 191, 36, 0.16);
        --warning-border: rgba(251, 191, 36, 0.32);
        --commands-bg: #ffffff;
        --commands-border: rgba(15, 23, 42, 0.06);
        --commands-hover: #f3f6fb;
        --footer-text: rgba(30, 41, 59, 0.58);
        --card-surface: rgba(255, 255, 255, 0.96);
        --card-border: rgba(15, 23, 42, 0.05);
        --input-surface: rgba(255, 255, 255, 0.98);
        --input-border-mix: rgba(15, 23, 42, 0.05);
        --commands-surface: rgba(243, 246, 252, 0.94);
        --commands-border-mix: rgba(148, 163, 184, 0.24);
        --detail-surface: rgba(250, 250, 253, 0.95);
        --detail-border-mix: rgba(148, 163, 184, 0.2);
    }
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

*:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    color: var(--text-primary);
}

.page-wrapper {
    width: 100%;
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.decoder-app {
    width: 100%;
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
}

.decoder-container {
    width: min(840px, 92vw);
    margin: 0 auto;
    padding: 3rem 1rem 4rem;
    flex: 1 0 auto;
}

.decoder-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
    margin-bottom: 2.25rem;
}

.decoder-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin: 0;
}

.decoder-header .lead {
    margin: 0;
    color: var(--text-muted);
}

.decoder-app .label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.decoder-app .input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.55rem;
    border-radius: 999px;
    background: var(--input-surface);
    border: 1px solid var(--input-border-mix);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        var(--control-shadow);
    backdrop-filter: blur(20px) saturate(120%);
    -webkit-backdrop-filter: blur(20px) saturate(120%);
    transition:
        border-color 0.18s ease,
        box-shadow 0.18s ease,
        background-color 0.18s ease;
}

.decoder-app input[type="text"] {
    width: 100%;
    font-size: 1rem;
    padding: 0.85rem 1.15rem;
    border-radius: 999px;
    border: none;
    background: transparent;
    color: var(--input-text);
    transition: color 0.18s ease;
    caret-color: var(--accent);
}

.decoder-app input[type="text"]::placeholder {
    color: var(--text-subtle);
}

.decoder-app input[type="text"]:focus {
    outline: none;
    color: var(--text-primary);
}

.decoder-container button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    cursor: pointer;
    border: 1px solid var(--input-border-mix);
    border-radius: 999px;
    padding: 0.85rem 1.6rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-contrast);
    background:
        linear-gradient(
            135deg,
            rgba(255, 255, 255, 0.42) 0%,
            rgba(255, 255, 255, 0) 66%
        ),
        var(--accent);
    transition:
        transform 0.12s ease,
        filter 0.12s ease,
        box-shadow 0.18s ease;
    box-shadow: 0 16px 38px var(--accent-soft);
}

.decoder-container button:hover {
    filter: brightness(1.08);
    box-shadow: 0 18px 40px var(--accent-soft);
}

.decoder-container button:active {
    transform: scale(0.97);
}

.decoder-app .status {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 0.6rem;
    background: var(--status-bg);
    border: 1px solid var(--status-border);
    color: var(--text-primary);
}

.decoder-app .result {
    margin-top: 2.75rem;
}

.decoder-app .result-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 2.25rem;
    padding: clamp(1.75rem, 3vw, 2.75rem);
    border-radius: 1.6rem;
    background: var(--card-surface);
    border: 1px solid var(--card-border);
    box-shadow: var(--surface-shadow);
    backdrop-filter: blur(24px) saturate(120%);
    -webkit-backdrop-filter: blur(24px) saturate(120%);
    overflow: hidden;
}

.decoder-app .result-section {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.decoder-app .result-section + .result-section {
    padding-top: 1.5rem;
    border-top: 1px solid var(--section-divider);
}

.decoder-app .section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.decoder-app .section-heading h2,
.decoder-app .section-heading h3 {
    margin: 0;
}

.decoder-app .section-meta {
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--heading-subtle);
    white-space: nowrap;
}

.decoder-app .result-title {
    font-size: clamp(1.35rem, 2.4vw, 1.6rem);
    font-weight: 700;
}

.decoder-app .section-title {
    font-size: clamp(1.05rem, 1.9vw, 1.25rem);
    font-weight: 600;
    color: var(--text-primary);
}

.decoder-app .commands {
    display: block;
    margin: 0;
    background: var(--commands-surface);
    color: var(--text-primary);
    border: 1px solid var(--commands-border-mix);
    border-radius: 0.9rem;
    padding: 1.2rem 1.35rem;
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.95rem;
    line-height: 1.55;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: auto;
    cursor: pointer;
    transition:
        border-color 0.18s ease,
        box-shadow 0.18s ease,
        background-color 0.18s ease,
        transform 0.12s ease;
    position: relative;
    user-select: text;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(18px) saturate(120%);
    -webkit-backdrop-filter: blur(18px) saturate(120%);
}

.decoder-app .commands:hover,
.decoder-app .commands:focus-visible {
    border-color: var(--accent);
    background: var(--commands-hover);
    box-shadow: 0 0 0 4px var(--accent-ring);
}

.decoder-app .commands:active {
    transform: scale(0.995);
}

.decoder-app .commands.copied {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-ring);
}

.decoder-app .commands.copied::after {
    content: "Copied!";
    position: absolute;
    top: 0.85rem;
    right: 1rem;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    color: var(--accent);
    background: rgba(34, 197, 94, 0.12);
    border-radius: 999px;
    padding: 0.15rem 0.55rem;
}

.decoder-app .details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.1rem;
    margin: 0;
    padding: 0;
}

.decoder-app .detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1.05rem 1.25rem;
    border-radius: 1rem;
    background: var(--detail-surface);
    border: 1px solid var(--detail-border-mix);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(18px) saturate(118%);
    -webkit-backdrop-filter: blur(18px) saturate(118%);
}

.decoder-app .detail-key {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--heading-subtle);
}

.decoder-app .detail-value {
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    word-break: break-word;
}

.decoder-footer {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--footer-text);
    font-size: 0.9rem;
}

.decoder-footer a {
    color: inherit;
}

@media (max-width: 840px) {
    .decoder-app .result-card {
        padding: 1.75rem 1.9rem;
    }

    .decoder-app .details {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 640px) {
    .decoder-app .result-card {
        padding: 1.6rem 1.55rem;
    }

    .decoder-app .section-heading {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
    }

    .decoder-app .section-meta {
        font-size: 0.68rem;
        white-space: normal;
    }
}

@media (max-width: 520px) {
    .decoder-app .input-row {
        grid-template-columns: 1fr;
        padding: 0.4rem 0.45rem;
        gap: 0.4rem;
        border-radius: 999px;
    }

    .decoder-container button {
        width: 100%;
    }

    .decoder-app .result-card {
        padding: 1.45rem 1.25rem;
        gap: 1.75rem;
    }

    .decoder-app .commands {
        padding: 1.05rem 1.1rem;
        font-size: 0.9rem;
    }

    .decoder-app .details {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }

    .decoder-app .detail-item {
        padding: 0.95rem 1rem;
    }

    .decoder-app .detail-key {
        font-size: 0.68rem;
        letter-spacing: 0.16em;
    }

    .decoder-app .detail-value {
        font-size: 0.96rem;
    }
}