/* 全站共用尺寸與邊框參數，方便後續版本集中調整。 */
:root {
    --app-max-width: 1560px;
    --app-radius: 16px;
    --app-soft-bg: rgba(127, 127, 127, 0.07);
    --app-border: rgba(127, 127, 127, 0.22);
}

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    background: linear-gradient(180deg, rgba(13, 110, 253, 0.035), transparent 280px), var(--bs-body-bg);
}

.app-shell {
    max-width: var(--app-max-width);
    margin: 0 auto;
}

.app-header {
    background: color-mix(in srgb, var(--bs-body-bg) 94%, transparent);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 10;
}

.brand-icon,
.section-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border-radius: 12px;
    color: var(--bs-primary);
    background: color-mix(in srgb, var(--bs-primary) 12%, transparent);
}

.brand-icon {
    width: 42px;
    height: 42px;
    font-size: 1.15rem;
}

.section-icon {
    width: 38px;
    height: 38px;
}

.section-heading {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.app-subtitle {
    max-width: 900px;
}

.language-wrap {
    width: 180px;
    flex: 0 0 auto;
}

.app-card {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.045);
    overflow: hidden;
}

.app-left-card {
    top: 16px;
}

.code-input {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.875rem;
    line-height: 1.55;
    resize: vertical;
    min-height: 360px;
    white-space: pre;
    overflow: auto;
}

.min-h-24 {
    min-height: 24px;
}

.security-note {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 12px 14px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--bs-warning) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--bs-warning) 28%, transparent);
}

.candidate-panel {
    padding: 12px;
    border: 1px dashed var(--app-border);
    border-radius: 12px;
    background: var(--app-soft-bg);
}

.candidate-item {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 6px 0;
}

.candidate-item + .candidate-item {
    border-top: 1px dashed var(--app-border);
}

.candidate-endpoint {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    word-break: break-all;
}

.rule-box,
.result-box,
.mini-list-box,
.timestamp-panel {
    border: 1px solid var(--app-border);
    background: var(--app-soft-bg);
    border-radius: 12px;
    padding: 12px 14px;
}

.field-table-wrap {
    border: 1px solid var(--app-border);
    border-radius: 12px;
    overflow: auto;
}

.field-table {
    min-width: 650px;
}

.field-table thead th {
    background: color-mix(in srgb, var(--bs-body-bg) 88%, var(--bs-secondary-bg));
    position: sticky;
    top: 0;
    z-index: 1;
}

.field-table td,
.field-table th {
    padding: 0.55rem 0.65rem;
}

.order-col {
    width: 58px;
}

.include-col {
    width: 68px;
}

.action-col {
    width: 90px;
}

.field-value {
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: block;
}

.field-missing {
    background: color-mix(in srgb, var(--bs-danger) 8%, transparent);
}

.signature-value,
.raw-string {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    word-break: break-all;
}

.signature-value {
    font-size: 1rem;
    font-weight: 650;
    min-height: 24px;
}

.result-status {
    border-radius: 12px;
    padding: 14px 16px;
    font-weight: 650;
}

.result-status.success {
    color: var(--bs-success-text-emphasis);
    background: var(--bs-success-bg-subtle);
    border: 1px solid var(--bs-success-border-subtle);
}

.result-status.danger {
    color: var(--bs-danger-text-emphasis);
    background: var(--bs-danger-bg-subtle);
    border: 1px solid var(--bs-danger-border-subtle);
}

.result-status.info {
    color: var(--bs-info-text-emphasis);
    background: var(--bs-info-bg-subtle);
    border: 1px solid var(--bs-info-border-subtle);
}

.icon-copy-btn {
    border: 0;
    background: transparent;
    color: var(--bs-secondary-color);
    border-radius: 8px;
    width: 32px;
    height: 32px;
}

.icon-copy-btn:hover,
.icon-copy-btn:focus-visible {
    background: var(--bs-secondary-bg);
    color: var(--bs-primary);
}

.footer-toggle {
    color: var(--bs-body-color);
}

.footer-toggle[aria-expanded="true"] .footer-chevron {
    transform: rotate(180deg);
}

.footer-chevron {
    transition: transform 0.2s ease;
}

.app-footer {
    background: color-mix(in srgb, var(--bs-body-bg) 96%, var(--bs-secondary-bg));
}

/* 平板與較窄桌面降低 JSON 輸入區高度，避免首屏過長。 */
@media (max-width: 1199.98px) {
    .code-input {
        min-height: 300px;
    }
}

/* 手機版縮小外距與字級，並讓語系選單使用完整寬度。 */
@media (max-width: 767.98px) {
    .app-shell {
        padding-left: 12px;
        padding-right: 12px;
    }

    .language-wrap {
        width: 100%;
    }

    .app-card {
        border-radius: 14px;
    }

    .code-input {
        min-height: 280px;
        font-size: 0.82rem;
    }

    .result-card .btn-lg {
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}