html, body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

h1:focus {
    outline: none;
}

a, .btn-link {
    color: #2f6df6;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}

    .loading-progress circle {
        fill: none;
        stroke: #e0e0e0;
        stroke-width: 0.6rem;
        transform-origin: 50% 50%;
        transform: rotate(-90deg);
    }

        .loading-progress circle:last-child {
            stroke: #2f6df6;
            stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
            transition: stroke-dasharray 0.05s ease-in-out;
        }

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

    .loading-progress-text:after {
        content: var(--blazor-load-percentage-text, "Loading");
    }

code {
    color: #c02d76;
}

/* ============================================================
   RB Skin Forge — interface theme
   ============================================================ */

:root {
    --rb-bg: #eef1f7;
    --rb-bg-glow: rgba(47, 109, 246, 0.10);
    --rb-surface: #ffffff;
    --rb-surface-2: #f3f5fa;
    --rb-border: #e3e7f0;
    --rb-border-strong: #cdd4e2;
    --rb-text: #131720;
    --rb-muted: #5c6675;
    --rb-accent: #2f6df6;
    --rb-accent-2: #1b6ec2;
    --rb-accent-soft: rgba(47, 109, 246, 0.12);
    --rb-accent-text: #ffffff;
    --rb-console-bg: #0e1320;
    --rb-console-text: #d4ddec;
    --rb-shadow: 0 1px 2px rgba(20, 30, 55, 0.04), 0 10px 30px rgba(20, 30, 55, 0.07);
    --rb-shadow-sm: 0 1px 2px rgba(20, 30, 55, 0.05);
    --rb-radius: 16px;
    --rb-radius-sm: 10px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --rb-bg: #0c0f16;
        --rb-bg-glow: rgba(77, 141, 255, 0.14);
        --rb-surface: #161b25;
        --rb-surface-2: #1d2330;
        --rb-border: #283041;
        --rb-border-strong: #38425a;
        --rb-text: #e8eef8;
        --rb-muted: #97a3b6;
        --rb-accent: #4d8dff;
        --rb-accent-2: #2f6df6;
        --rb-accent-soft: rgba(77, 141, 255, 0.16);
        --rb-accent-text: #ffffff;
        --rb-console-bg: #080b12;
        --rb-console-text: #cad6e8;
        --rb-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 14px 40px rgba(0, 0, 0, 0.45);
        --rb-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    }
}

:root[data-theme="light"] {
    --rb-bg: #eef1f7;
    --rb-bg-glow: rgba(47, 109, 246, 0.10);
    --rb-surface: #ffffff;
    --rb-surface-2: #f3f5fa;
    --rb-border: #e3e7f0;
    --rb-border-strong: #cdd4e2;
    --rb-text: #131720;
    --rb-muted: #5c6675;
    --rb-accent: #2f6df6;
    --rb-accent-2: #1b6ec2;
    --rb-accent-soft: rgba(47, 109, 246, 0.12);
    --rb-console-bg: #0e1320;
    --rb-console-text: #d4ddec;
    --rb-shadow: 0 1px 2px rgba(20, 30, 55, 0.04), 0 10px 30px rgba(20, 30, 55, 0.07);
    --rb-shadow-sm: 0 1px 2px rgba(20, 30, 55, 0.05);
}
:root[data-theme="dark"] {
    --rb-bg: #0c0f16;
    --rb-bg-glow: rgba(77, 141, 255, 0.14);
    --rb-surface: #161b25;
    --rb-surface-2: #1d2330;
    --rb-border: #283041;
    --rb-border-strong: #38425a;
    --rb-text: #e8eef8;
    --rb-muted: #97a3b6;
    --rb-accent: #4d8dff;
    --rb-accent-2: #2f6df6;
    --rb-accent-soft: rgba(77, 141, 255, 0.16);
    --rb-console-bg: #080b12;
    --rb-console-text: #cad6e8;
    --rb-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 14px 40px rgba(0, 0, 0, 0.45);
    --rb-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--rb-bg); }

.rb-shell {
    display: block;
    min-height: 100vh;
    background:
        radial-gradient(1100px 420px at 50% -240px, var(--rb-bg-glow), transparent 70%);
}

.forge {
    max-width: 1060px;
    margin: 0 auto;
    padding: 1.25rem 1.25rem 2.5rem;
    color: var(--rb-text);
}

/* --- App bar -------------------------------------------------------------- */
.appbar {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 1rem;
    background: var(--rb-surface);
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius);
    box-shadow: var(--rb-shadow-sm);
    padding: 0.85rem 1.1rem;
    margin-bottom: 1.25rem;
}
.brand { display: flex; align-items: center; gap: 0.8rem; }
.brand__logo {
    width: 46px; height: 46px; border-radius: 12px; object-fit: contain;
    background: var(--rb-surface-2); padding: 3px;
    box-shadow: 0 2px 8px rgba(20, 30, 55, 0.12);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name {
    font-size: 1.3rem; font-weight: 800; letter-spacing: -0.01em;
    background: linear-gradient(120deg, var(--rb-accent), #7a5cff);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.brand__sub { font-size: 0.74rem; color: var(--rb-muted); font-weight: 500; letter-spacing: 0.02em; }

.appbar__controls { display: flex; align-items: flex-end; gap: 0.9rem; flex-wrap: wrap; }

.control { display: flex; flex-direction: column; gap: 0.28rem; }
.control__label, .field__label {
    font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--rb-muted);
}

/* Custom select */
.select-wrap { position: relative; display: inline-flex; }
.select-wrap::after {
    content: ""; position: absolute; right: 0.7rem; top: 50%;
    width: 0.5rem; height: 0.5rem; margin-top: -0.35rem; pointer-events: none;
    border-right: 2px solid var(--rb-muted); border-bottom: 2px solid var(--rb-muted);
    transform: rotate(45deg);
}
.select-wrap select {
    appearance: none; -webkit-appearance: none; -moz-appearance: none;
    font: inherit; font-size: 0.9rem; color: var(--rb-text);
    background: var(--rb-surface); border: 1px solid var(--rb-border-strong);
    border-radius: var(--rb-radius-sm); padding: 0.5rem 2rem 0.5rem 0.75rem;
    cursor: pointer; transition: border-color 0.15s ease, box-shadow 0.15s ease; width: 100%;
}
.select-wrap select:hover { border-color: var(--rb-accent); }
.select-wrap select:focus { outline: none; border-color: var(--rb-accent); box-shadow: 0 0 0 3px var(--rb-accent-soft); }

/* Segmented theme control */
.seg-group {
    display: inline-flex; padding: 3px; gap: 2px;
    background: var(--rb-surface-2); border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius-sm);
}
.seg-group .seg {
    padding: 0.4rem 0.75rem; border: none; background: transparent; color: var(--rb-muted);
    cursor: pointer; font-size: 0.8rem; font-weight: 600; border-radius: 7px;
    transition: background 0.15s ease, color 0.15s ease;
}
.seg-group .seg:hover { color: var(--rb-text); }
.seg-group .seg.active {
    background: var(--rb-surface); color: var(--rb-accent);
    box-shadow: var(--rb-shadow-sm);
}

/* --- Hero ----------------------------------------------------------------- */
.hero {
    color: var(--rb-muted); font-size: 1.02rem; line-height: 1.5;
    max-width: 760px; margin: 0 0 1.5rem; padding: 0 0.25rem;
}

/* --- Layout / cards ------------------------------------------------------- */
.forge-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 1.1rem; }
@media (max-width: 760px) { .forge-grid { grid-template-columns: 1fr; } }

.card {
    background: var(--rb-surface);
    border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius);
    box-shadow: var(--rb-shadow);
    padding: 1.25rem;
    margin-bottom: 1.1rem;
}
.card__head { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; margin-bottom: 1rem; }
.card__head h2 {
    font-size: 0.78rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--rb-muted); margin: 0; display: flex; align-items: center; gap: 0.5rem;
}
.card__head h2::before {
    content: ""; width: 3px; height: 0.95rem; border-radius: 2px;
    background: linear-gradient(var(--rb-accent), #7a5cff);
}

.field { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1rem; }

/* --- Drop zone ------------------------------------------------------------ */
.dropzone {
    position: relative; display: flex; flex-direction: column; gap: 0.5rem;
    align-items: center; justify-content: center; text-align: center;
    border: 2px dashed var(--rb-border-strong); border-radius: var(--rb-radius-sm);
    padding: 1.75rem 1rem; color: var(--rb-muted); cursor: pointer;
    background: var(--rb-surface-2); transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
    margin-bottom: 1rem;
}
.dropzone:hover { border-color: var(--rb-accent); background: var(--rb-accent-soft); }
.dropzone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dropzone__icon {
    width: 38px; height: 38px; color: var(--rb-accent);
    display: grid; place-items: center; border-radius: 50%;
    background: var(--rb-accent-soft);
}
.dropzone__icon svg { width: 20px; height: 20px; }
.dropzone__title { font-weight: 600; color: var(--rb-text); font-size: 0.92rem; }
.dropzone__formats { display: flex; gap: 0.4rem; flex-wrap: wrap; justify-content: center; }
.fmt {
    font-size: 0.66rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
    padding: 0.12rem 0.45rem; border-radius: 999px;
    background: var(--rb-surface); border: 1px solid var(--rb-border); color: var(--rb-muted);
}

/* --- Buttons -------------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    font: inherit; font-weight: 700; font-size: 0.88rem; line-height: 1;
    padding: 0.62rem 1rem; border-radius: var(--rb-radius-sm); border: 1px solid transparent;
    cursor: pointer; transition: transform 0.12s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn--block { width: 100%; padding: 0.78rem; font-size: 0.95rem; }
.btn--primary {
    color: var(--rb-accent-text);
    background: linear-gradient(135deg, var(--rb-accent), #6a5cff);
    box-shadow: 0 4px 14px rgba(47, 109, 246, 0.35);
}
.btn--primary:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 7px 20px rgba(47, 109, 246, 0.45); }
.btn--primary:active:not(:disabled) { transform: translateY(0); box-shadow: 0 3px 10px rgba(47, 109, 246, 0.4); }
.btn--primary:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }
.btn--ghost { background: var(--rb-surface-2); color: var(--rb-text); border-color: var(--rb-border-strong); }
.btn--ghost:hover { border-color: var(--rb-accent); color: var(--rb-accent); }

.batch-summary {
    margin: 0.85rem 0 0; font-size: 0.85rem; color: var(--rb-muted);
    display: flex; align-items: center; gap: 0.4rem;
}

/* --- Batch file list ------------------------------------------------------ */
.filelist { list-style: none; margin: 0 0 0.25rem; padding: 0; max-height: 210px; overflow: auto; display: flex; flex-direction: column; gap: 0.4rem; }
.filelist li {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.55rem 0.65rem; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm);
    cursor: pointer; font-size: 0.85rem; background: var(--rb-surface-2);
    transition: border-color 0.12s ease, background 0.12s ease;
}
.filelist li:hover { border-color: var(--rb-border-strong); }
.filelist li.sel { border-color: var(--rb-accent); background: var(--rb-accent-soft); }
.filelist .file-ico { color: var(--rb-muted); display: grid; place-items: center; flex: none; }
.filelist .file-ico svg { width: 16px; height: 16px; }
.filelist .fname { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- Preview -------------------------------------------------------------- */
.preview-frame {
    border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm); overflow: hidden;
    background:
        repeating-conic-gradient(rgba(120,130,150,0.10) 0% 25%, transparent 0% 50%) 50% / 22px 22px,
        var(--rb-surface-2);
}
.preview { display: block; width: 100%; aspect-ratio: 585 / 559; object-fit: contain; }
.preview.placeholder {
    display: flex; align-items: center; justify-content: center; color: var(--rb-muted);
    font-size: 0.9rem; gap: 0.5rem; flex-direction: column;
}
.preview.placeholder svg { width: 30px; height: 30px; opacity: 0.5; }

/* --- Status chip ---------------------------------------------------------- */
.chip {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-size: 0.74rem; font-weight: 700; padding: 0.25rem 0.6rem; border-radius: 999px;
}
.chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.chip--Synchronized { background: rgba(31, 139, 76, 0.14); color: #25a35a; }
.chip--Processing   { background: rgba(185, 119, 0, 0.16); color: #d99100; }
.chip--Failed       { background: rgba(179, 33, 33, 0.16); color: #e5484d; }
.chip--Queued       { background: var(--rb-surface-2); color: var(--rb-muted); }

/* --- Stat grid ------------------------------------------------------------ */
.statgrid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 0.6rem;
    margin-bottom: 1rem;
}
.stat {
    background: var(--rb-surface-2); border: 1px solid var(--rb-border);
    border-radius: var(--rb-radius-sm); padding: 0.65rem 0.75rem;
    display: flex; flex-direction: column; gap: 0.2rem;
}
.stat__label { font-size: 0.64rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--rb-muted); }
.stat__value { font-size: 1.05rem; font-weight: 700; color: var(--rb-text); display: flex; align-items: baseline; gap: 0.35rem; }
.stat__value .unit { font-size: 0.72rem; font-weight: 600; color: var(--rb-muted); }
.tag {
    font-style: normal; font-size: 0.6rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.04em;
    padding: 0.1rem 0.35rem; border-radius: 999px; background: rgba(185, 119, 0, 0.18); color: #d99100;
}

/* --- Terminal / console --------------------------------------------------- */
.terminal { border-radius: var(--rb-radius-sm); overflow: hidden; border: 1px solid var(--rb-border); }
.terminal__bar {
    display: flex; align-items: center; gap: 0.4rem; padding: 0.5rem 0.7rem;
    background: #0a0e18; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.terminal__bar span { width: 10px; height: 10px; border-radius: 50%; }
.terminal__bar span:nth-child(1) { background: #ff5f57; }
.terminal__bar span:nth-child(2) { background: #febc2e; }
.terminal__bar span:nth-child(3) { background: #28c840; }
.terminal__title { margin-left: 0.5rem; font-size: 0.72rem; color: #8a93a6; font-weight: 600; }
.terminal__body {
    background: var(--rb-console-bg); color: var(--rb-console-text);
    padding: 0.85rem 0.9rem; min-height: 130px; max-height: 280px; overflow: auto;
    font-family: "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
    font-size: 0.8rem; line-height: 1.5; white-space: pre-wrap; margin: 0;
}

.actions { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 1rem; }

/* --- Footer --------------------------------------------------------------- */
.credit {
    text-align: center; color: var(--rb-muted); font-size: 0.8rem;
    padding: 1.25rem 0 0; margin-top: 0.5rem; border-top: 1px solid var(--rb-border);
}
.credit strong { color: var(--rb-text); font-weight: 600; }