:root {
    --bg: #f4f7fb;
    --panel: #ffffff;
    --panel-border: #cbd5e1;
    --text: #0f172a;
    --muted: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --danger-bg: #fee2e2;
    --danger-text: #991b1b;
    --warning-bg: #fef3c7;
    --warning-text: #92400e;
    --success-bg: #dcfce7;
    --success-text: #166534;
    --info-bg: rgba(59, 130, 246, 0.12);
    font-family: "Segoe UI", system-ui, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top, rgba(59, 130, 246, 0.12), transparent 45%),
        var(--bg);
    color: var(--text);
}

.page {
    max-width: 56rem;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 1.5rem;
}

.page-tools {
    margin-top: 0.75rem;
    text-align: center;
}

.header h1 {
    margin: 0 0 0.35rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.subtitle {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.45;
}

.build-meta {
    margin: 0.5rem 0 0;
    font-size: 0.8rem;
    color: var(--muted);
}

.messages {
    margin: 1rem 0 0;
}

.message {
    padding: 0.85rem 1rem;
    border-radius: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.message:last-child {
    margin-bottom: 0;
}

.message-danger {
    background: var(--danger-bg);
    color: var(--danger-text);
}

.message-warning {
    background: var(--warning-bg);
    color: var(--warning-text);
}

.message-success {
    background: var(--success-bg);
    color: var(--success-text);
}

.status {
    margin: 0.75rem 0 0;
    padding: 0.6rem 0.85rem;
    border-radius: 0.75rem;
    font-size: 0.95rem;
}

.status-info {
    background: var(--info-bg);
    color: var(--text);
}

.status-success {
    background: var(--success-bg);
    color: var(--success-text);
}

.status-danger {
    background: var(--danger-bg);
    color: var(--danger-text);
}

.upload-form {
    margin-top: 1rem;
}

.drop-zone {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-top: 0;
    padding: 0.85rem 1rem;
    border: 2px dashed var(--panel-border);
    border-radius: 0.75rem;
    background: var(--panel);
    text-align: left;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.drop-zone:hover,
.drop-zone:focus-visible,
.drop-zone.drag-over {
    border-color: var(--accent);
    background: #f8fbff;
    outline: none;
}

.drop-zone.has-file {
    border-style: solid;
    border-color: var(--accent);
}

.drop-zone.disabled,
.drop-zone.busy {
    opacity: 0.65;
    cursor: not-allowed;
    pointer-events: none;
}

.drop-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}

.drop-zone-text {
    flex: 1;
    min-width: 0;
}

.drop-title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.35;
}

.drop-title code {
    font-size: 0.9em;
}

.selected-file {
    margin: 0.25rem 0 0;
    color: var(--success-text);
    font-size: 0.85rem;
    font-weight: 500;
    word-break: break-all;
}

.upload-controls {
    margin-top: 1rem;
    --bs-gutter-x: 1.75rem;
}

.upload-controls > .col {
    padding-top: 0.15rem;
}

.option-group {
    min-width: 0;
    padding-right: 0.25rem;
}

.option-row {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
}

.option-hint {
    margin: 0.15rem 0 0 1.35rem;
    font-size: 0.75rem;
    line-height: 1.35;
    color: var(--muted);
}

.option-row input[type="checkbox"] {
    margin: 0;
    accent-color: var(--accent);
}

.model-row {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    margin: 0;
    min-width: 0;
}

.model-label {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
}

.upload-controls .form-select {
    font-size: 0.9rem;
}

.upload-btn-col {
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
}

@media (min-width: 992px) {
    .upload-btn-col {
        justify-content: center;
    }
}

.btn-submit {
    width: auto;
    min-width: 6.5rem;
    max-width: 100%;
    padding: 0.4rem 0.9rem;
    border: none;
    border-radius: 0.5rem;
    background: var(--accent);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
    white-space: nowrap;
}

.btn-submit:hover:not(:disabled) {
    background: var(--accent-hover);
}

.btn-submit:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.log-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.25rem 2.5rem;
}

.log-section-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1rem;
    margin-bottom: 1rem;
}

.log-section-header h2 {
    margin: 0;
    font-size: 1.35rem;
}

.clear-finished-form {
    margin: 0;
}

.btn-clear-finished {
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--panel-border);
    border-radius: 0.5rem;
    background: var(--panel);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn-clear-finished:hover {
    border-color: #b91c1c;
    background: var(--danger-bg);
    color: var(--danger-text);
}

.log-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--panel-border);
    border-radius: 0.75rem;
    background: var(--panel);
}

.log-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.log-table th,
.log-table td {
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid var(--panel-border);
    text-align: left;
    vertical-align: top;
}

.log-table th {
    background: #f1f5f9;
    font-weight: 600;
}

.log-table tr:last-child td {
    border-bottom: none;
}

.log-table tbody tr:nth-child(even) {
    background: #f8fafc;
}

.log-table a {
    color: var(--accent);
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: #bbf7d0; color: #14532d; }
.badge-warning { background: #fde68a; color: #78350f; }
.badge-danger { background: #fecaca; color: #7f1d1d; }
.badge-secondary { background: #e2e8f0; color: #334155; }
.badge-info { background: #bae6fd; color: #0c4a6e; }

.text-danger {
    color: #b91c1c;
}

.page-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--muted);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (max-width: 767.98px) {
    .upload-btn-col {
        justify-content: stretch;
    }

    .upload-btn-col .btn-submit {
        width: 100%;
    }
}