: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(168, 85, 247, 0.22);
    --control-bg: rgba(26, 26, 24, 0.82);
    --control-border: rgba(255, 255, 255, 0.04);
    --control-highlight: rgba(168, 85, 247, 0.12);
    --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: #a855f7;
    --accent-contrast: #f9f5ff;
    --accent-soft: rgba(168, 85, 247, 0.18);
    --accent-ring: rgba(168, 85, 247, 0.35);
    --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);
    --panel-surface: color-mix(in srgb, var(--panel-bg) 92%, transparent);
    --panel-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:
            0 12px 28px -18px rgba(15, 23, 42, 0.12),
            0 6px 16px -12px rgba(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(147, 51, 234, 0.22);
        --control-bg: rgba(255, 255, 255, 0.98);
        --control-border: rgba(15, 23, 42, 0.03);
        --control-highlight: rgba(147, 51, 234, 0.12);
        --control-shadow:
            0 10px 24px -16px rgba(15, 23, 42, 0.1),
            0 4px 12px -10px rgba(15, 23, 42, 0.06);
        --input-bg: #ffffff;
        --input-border: rgba(15, 23, 42, 0.1);
        --input-text: #1a202c;
        --accent: #9333ea;
        --accent-contrast: #f5f3ff;
        --accent-soft: rgba(147, 51, 234, 0.22);
        --accent-ring: rgba(147, 51, 234, 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);
        --panel-surface: rgba(243, 246, 252, 0.94);
        --panel-border-mix: rgba(148, 163, 184, 0.24);
    }
}

body {
    background: var(--bg);
    color: var(--text-primary);
}

.configs-app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--bg);
}

.configs-page {
    max-width: 1360px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.configs-container {
    flex: 1;
    max-width: 1360px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-inline: clamp(1.5rem, 6vw, 3rem);
    padding-top: clamp(3rem, 6vw, 4.5rem);
    padding-bottom: clamp(3rem, 6vw, 4.5rem);
}

.configs-header {
    max-width: 720px;
    margin: 0 auto 2.75rem auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.configs-header h1 {
    margin: 0;
    font-size: clamp(2.35rem, 3vw, 3rem);
    letter-spacing: -0.02em;
}

.configs-header .lead {
    margin: 0;
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.status {
    max-width: 720px;
    margin: 0 auto 2.5rem auto;
    padding: 1rem 1.25rem;
    border-radius: 0.9rem;
    border: 1px solid var(--status-border);
    background: var(--status-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.configs-layout {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 3.5rem);
    align-items: start;
}

.config-list {
    background: var(--panel-surface);
    border: 1px solid var(--panel-border-mix);
    border-radius: 1.55rem;
    padding: 1.75rem 1.5rem;
    box-shadow: var(--surface-shadow);
    display: flex;
    flex-direction: column;
    gap: 1.45rem;
}

.config-list .list-heading {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.config-list h2 {
    margin: 0;
    font-size: 1.4rem;
}

.config-items {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.config-item {
    margin: 0;
}

.config-button {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    padding: 0.95rem 1.05rem;
    border-radius: 1rem;
    border: 1px solid var(--control-border);
    background: var(--control-bg);
    color: var(--text-primary);
    cursor: pointer;
    font: inherit;
    text-align: left;
    transition: transform 160ms ease;
    will-change: transform;
    box-shadow: var(--control-shadow);
}

.config-button:hover,
.config-button:focus-visible {
    background: color-mix(in srgb, var(--control-bg) 85%, var(--accent-soft));
    border-color: var(--accent-ring);
    transform: translateY(-1px);
}

.config-button:disabled {
    cursor: wait;
    opacity: 0.6;
}

.config-button .name {
    font-size: 1.05rem;
    font-weight: 600;
}

.config-button .description {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.45;
}

.config-button.active {
    border-color: var(--accent);
    background: var(--accent-soft);
    box-shadow:
        0 0 0 1px var(--accent-ring),
        var(--control-shadow);
}

.config-viewer {
    background: var(--panel-surface);
    border: 1px solid var(--panel-border-mix);
    border-radius: 1.75rem;
    padding: clamp(1.8rem, 3vw, 2.6rem) clamp(2rem, 4vw, 3.2rem);
    box-shadow: var(--surface-shadow);
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    min-height: 480px;
}

.viewer-header {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    overflow: visible;
    width: 100%;
}

.viewer-header .viewer-titles,
.viewer-header .viewer-actions {
    transition:
        opacity 160ms ease,
        transform 200ms ease;
}

.viewer-header--search .viewer-titles,
.viewer-header--search .viewer-actions {
    opacity: 0;
    transform: translateY(6px);
    pointer-events: none;
}

.viewer-titles {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.viewer-titles h2 {
    margin: 0;
    font-size: 1.7rem;
}

.viewer-meta {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.92rem;
}

.viewer-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.viewer-action--search {
    font-size: 1.3rem;
    line-height: 1;
    padding: 0;
}

.viewer-search {
    position: absolute;
    inset: -0.5rem;
    display: flex;
    align-items: center;
    background: var(--control-bg);
    border: 1px solid var(--control-border);
    border-radius: 1.25rem;
    box-shadow: var(--control-shadow);
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition:
        opacity 180ms ease,
        transform 220ms ease;
    z-index: 2;
}

.viewer-search.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.viewer-search__body {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
}

.viewer-search__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    font-size: 1.35rem;
    line-height: 1;
}

.viewer-search__input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--input-text);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    min-width: 0;
    padding: 0.35rem 0;
}

.viewer-search__input::placeholder {
    color: var(--text-subtle);
}

.viewer-search__clear {
    border: none;
    background: var(--accent-soft);
    color: var(--accent);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    opacity: 0;
    transform: translateX(6px);
    transition:
        opacity 160ms ease,
        transform 160ms ease,
        background 160ms ease;
}

.viewer-search__clear:hover {
    background: rgba(168, 85, 247, 0.28);
}

.viewer-search__clear:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.viewer-search__clear.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.viewer-search__matches {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-left: auto;
}

.viewer-search__close {
    margin-left: auto;
    border: none;
    background: transparent;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    min-width: 34px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    transition:
        color 160ms ease,
        background 160ms ease,
        transform 160ms ease;
}

.viewer-search__close:hover {
    color: var(--accent);
    background: rgba(168, 85, 247, 0.2);
}

.viewer-search__close:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.viewer-search__close:active {
    transform: translateY(1px);
}

.viewer-action {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    border: 1px solid var(--control-border);
    background: var(--control-bg);
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.4rem;
    line-height: 1;
    transition: transform 160ms ease;
    will-change: transform;
    box-shadow: var(--control-shadow);
}

.viewer-action:hover,
.viewer-action:focus-visible {
    transform: translateY(-1px);
    background: color-mix(in srgb, var(--control-bg) 75%, var(--accent-soft));
    border-color: var(--accent-ring);
    color: var(--accent);
}

.viewer-action:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    transform: none;
    color: var(--text-muted);
    box-shadow: none;
}

.config-code {
    margin: 0;
    min-height: 280px;
    font-size: 0.95rem;
    line-height: 1.55;
    color: var(--input-text);
}

.configs-footer {
    padding: 2.6rem 1.5rem;
    text-align: center;
    color: var(--footer-text);
    font-size: 0.92rem;
}

.configs-footer code {
    font-family:
        "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
    font-size: 0.88rem;
}

/* Commands viewer borrowed from decoder */
.commands {
    position: relative;
    display: block;
    padding: 1.3rem 1.5rem;
    border-radius: 1.1rem;
    background: var(--commands-bg);
    border: 1px solid var(--commands-border);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.02),
        0 15px 40px -32px rgba(0, 0, 0, 0.6);
    overflow: auto;
    color: var(--input-text);
    white-space: pre-wrap;
    word-break: break-word;
    cursor: pointer;
    transition:
        background 160ms ease,
        border-color 160ms ease,
        box-shadow 160ms ease;
}

.commands:hover {
    background: var(--commands-hover);
}

.commands:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

.commands.copied::after {
    content: "Copied!";
    position: absolute;
    top: 0.8rem;
    right: 1rem;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 999px;
    padding: 0.2rem 0.55rem;
}

.config-line {
    display: block;
    padding: 0.1rem 0.4rem;
    border-radius: 0.65rem;
    transition: background 140ms ease;
}

.config-line--match {
    background: var(--accent-soft);
}

.config-line--empty {
    color: var(--text-muted);
    font-style: italic;
}

mark.config-search__hit {
    background: var(--accent);
    color: var(--accent-contrast);
    border-radius: 0.35rem;
    padding: 0 0.22rem;
}

@media (max-width: 960px) {
    .configs-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .config-list {
        position: sticky;
        top: 1.5rem;
    }
}

@media (max-width: 720px) {
    .configs-container {
        padding-inline: clamp(1.25rem, 5vw, 2rem);
    }

    .configs-header {
        margin-bottom: 2.25rem;
    }

    .config-viewer {
        padding: 1.75rem 1.6rem;
        gap: 1.5rem;
    }

    .viewer-header {
        flex-direction: column;
        align-items: stretch;
    }

    .viewer-actions {
        justify-content: flex-end;
    }

    .viewer-search {
        inset: -0.25rem;
    }

    .viewer-search__body {
        flex-wrap: wrap;
        gap: 0.65rem;
        padding: 0.75rem 0.9rem;
    }

    .viewer-search__matches {
        margin-left: 0;
        width: 100%;
        text-align: right;
    }
}

@media (max-width: 520px) {
    .configs-header h1 {
        font-size: clamp(2rem, 8vw, 2.6rem);
    }

    .commands {
        font-size: 0.88rem;
    }
}

/* Flexoki-inspired syntax colours */
.config-code .token.comment {
    color: #807d75;
}

.config-code .token.keyword {
    color: #e39a6a;
}

.config-code .token.command {
    color: #d7827e;
}

.config-code .token.string {
    color: #f2c791;
}

.config-code .token.number {
    color: #8aa05a;
}

.config-code .token.variable {
    color: #8ca59a;
}

.config-code .token.bind {
    color: #9d8b70;
}

.config-code .token.operator {
    color: #cacec2;
}