/* Trang /images-metadata — màu bám colors.css (đỏ primary, vàng secondary, nâu chữ) */
.rm-main {
    --rm-border: rgba(139, 69, 19, 0.16);
    --rm-border-soft: rgba(44, 24, 16, 0.08);
    --rm-shadow: 0 10px 30px rgba(44, 24, 16, 0.07);
    --rm-danger-bg: #fff1f0;
    --rm-danger: #b91c1c;
    --rm-ok-bg: #effaf3;
    --rm-ok: #15803d;
    --rm-ai-bg: #fff7e6;
    --rm-ai: #a15c07;
    --rm-lock-bg: #f6f0e6;

    min-height: 60vh;
    padding: 2rem 0 3rem;
    font-family: var(--font-body, "Nunito", sans-serif);
    color: var(--color-text-primary);
    background: var(--color-background-primary);
}

.rm-hero {
    text-align: center;
    padding: 0 1rem;
    margin-bottom: 1.75rem;
}

.rm-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-accent);
    background: rgba(255, 215, 0, 0.18);
    border-radius: 999px;
    padding: 0.3rem 0.8rem;
    margin-bottom: 0.75rem;
}

.rm-hero h1 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    color: var(--color-primary);
    margin: 0 0 0.5rem;
}

.rm-hero p {
    max-width: 36rem;
    margin: 0 auto;
    color: var(--color-text-secondary);
    line-height: 1.55;
}

.rm-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 16px;
    display: grid;
    gap: 1.25rem;
}

/* ---------- quy tắc bảo vệ (dòng nhỏ dưới hero) ---------- */

.rm-policy {
    list-style: none;
    margin: 0.9rem auto 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem 1.25rem;
    font-size: 0.82rem;
    color: var(--brand-muted, #805b50);
}

.rm-policy li {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.rm-policy svg {
    flex: none;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.85;
}

/* ---------- vùng thả ảnh ---------- */

.rm-drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 2.5rem 1rem;
    text-align: center;
    background: #fff;
    border: 2px dashed var(--rm-border);
    border-radius: 18px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.rm-drop:hover,
.rm-drop:focus-within,
.rm-drop.is-over {
    border-color: var(--color-primary);
    background: #fffaf5;
}

.rm-drop.is-compact {
    flex-direction: row;
    justify-content: center;
    padding: 0.9rem 1rem;
}

.rm-drop.is-compact .rm-drop-icon svg {
    width: 22px;
    height: 22px;
}

.rm-drop.is-compact .rm-drop-hint {
    display: none;
}

.rm-drop-icon {
    color: var(--color-primary);
    display: inline-flex;
}

.rm-drop strong {
    font-size: 1rem;
}

.rm-drop-hint {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.rm-error {
    margin: 0;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    background: var(--rm-danger-bg);
    color: var(--rm-danger);
    font-weight: 600;
}

/* ---------- vùng làm việc ---------- */

.rm-work {
    display: grid;
    gap: 1.25rem;
}

.rm-work[hidden],
.rm-panel[hidden] {
    display: none;
}

.rm-file-card,
.rm-panel,
.rm-note {
    background: #fff;
    border: 1px solid var(--rm-border-soft);
    border-radius: 18px;
    box-shadow: var(--rm-shadow);
    padding: 1.1rem;
    min-width: 0;
}

.rm-file-card {
    display: grid;
    gap: 1rem;
    align-items: center;
}

.rm-file-card img {
    width: 100%;
    max-height: 320px;
    object-fit: contain;
    border-radius: 12px;
    background: repeating-conic-gradient(#f3eee6 0% 25%, #fff 0% 50%) 50% / 20px 20px;
}

.rm-file-meta {
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem 1rem;
}

.rm-file-meta dt {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
}

.rm-file-meta dd {
    margin: 0;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.rm-panel h2,
.rm-note h2 {
    font-size: 1.15rem;
    margin: 0 0 0.75rem;
    color: var(--color-text-primary);
}

.rm-panel h3 {
    font-size: 0.95rem;
    margin: 1rem 0 0.4rem;
}

.rm-signal {
    padding: 0.75rem 0.9rem;
    border-radius: 12px;
    margin-bottom: 0.75rem;
}

.rm-signal.is-ai {
    background: var(--rm-ai-bg);
    color: var(--rm-ai);
}

.rm-signal.is-ok {
    background: var(--rm-ok-bg);
    color: var(--rm-ok);
}

.rm-signal.is-neutral {
    background: #f5f3ef;
    color: var(--color-text-secondary);
}

.rm-signal-note {
    margin: 0.45rem 0 0;
    font-size: 0.85rem;
    font-weight: 700;
}

.rm-signal ul {
    margin: 0.4rem 0 0;
    padding-left: 1.1rem;
    font-size: 0.85rem;
    overflow-wrap: anywhere;
}

.rm-group + .rm-group {
    margin-top: 0.75rem;
}

.rm-group-title {
    font-size: 0.8rem !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-accent);
    margin: 0 0 0.3rem !important;
}

.rm-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: 0.88rem;
}

.rm-table th,
.rm-table td {
    text-align: left;
    vertical-align: top;
    padding: 0.45rem 0.5rem;
    border-top: 1px solid var(--rm-border-soft);
}

.rm-key {
    width: 38%;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.rm-value {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.8rem;
}

.rm-table tr.is-ai {
    background: var(--rm-ai-bg);
}

.rm-ai-tag {
    display: inline-block;
    margin-left: 0.35rem;
    padding: 0 0.35rem;
    border-radius: 6px;
    font-size: 0.68rem;
    background: var(--rm-ai);
    color: #fff;
    vertical-align: 1px;
}

.rm-more {
    display: block;
    margin-top: 0.35rem;
    border: 0;
    background: none;
    padding: 0;
    color: var(--color-primary);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.rm-empty {
    margin: 0;
    color: var(--color-text-secondary);
}

.rm-size-diff {
    margin: 0;
    font-weight: 700;
}

.rm-removed {
    margin: 0;
    padding-left: 1.1rem;
    font-size: 0.88rem;
    overflow-wrap: anywhere;
}

/* ---------- tab ---------- */

.rm-tabs {
    display: flex;
    gap: 0.35rem;
    padding: 0.3rem;
    background: #fff;
    border: 1px solid var(--rm-border-soft);
    border-radius: 14px;
    overflow-x: auto;
    scrollbar-width: none;
}

.rm-tab {
    flex: 1 0 auto;
    border: 0;
    border-radius: 10px;
    padding: 0.65rem 0.9rem;
    background: transparent;
    font: inherit;
    font-weight: 800;
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    white-space: nowrap;
}

.rm-tab[aria-selected="true"] {
    background: var(--color-primary);
    color: #fff;
}

.rm-tab:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 1px;
}

.rm-tabpanel {
    display: grid;
    gap: 1.25rem;
    min-width: 0;
}

.rm-tabpanel[hidden] {
    display: none;
}

.rm-panel-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem 1rem;
    margin-bottom: 0.75rem;
}

.rm-panel-head h2 {
    margin: 0;
}

.rm-source {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.9rem;
    font-size: 0.88rem;
}

.rm-source label {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
}

.rm-source label:has(input:disabled) {
    opacity: 0.45;
    cursor: not-allowed;
}

.rm-filter {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 0.75rem;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--rm-border);
    border-radius: 10px;
    font: inherit;
}

.rm-raw {
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

.rm-raw summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--color-primary);
}

.rm-raw pre {
    max-height: 320px;
    overflow: auto;
    margin: 0.5rem 0 0;
    padding: 0.75rem;
    background: #faf6ef;
    border-radius: 10px;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font-size: 0.75rem;
}

/* ---------- form chỉnh sửa: danh sách dòng [tên + trường metadata] | [ô nhập] ---------- */

.rm-help {
    margin: 0 0 1rem;
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--color-text-secondary);
}

.rm-form {
    display: grid;
    gap: 0;
    margin-bottom: 1rem;
}

.rm-form-section {
    padding: 0.9rem 0 0.4rem;
    border-top: 1px solid var(--rm-border-soft);
}

.rm-form-section:first-child {
    border-top: 0;
    padding-top: 0.2rem;
}

.rm-form-title {
    margin: 0 0 0.2rem;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-accent);
}

.rm-form-note {
    margin: 0 0 0.3rem;
    font-size: 0.82rem;
    color: var(--color-text-secondary);
}

.rm-row {
    display: grid;
    gap: 0.35rem;
    padding: 0.55rem 0;
    min-width: 0;
}

.rm-row-label {
    min-width: 0;
}

.rm-row-label label {
    font-weight: 700;
    font-size: 0.9rem;
}

.rm-writes {
    display: block;
    margin-top: 0.1rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.7rem;
    color: var(--brand-muted, #805b50);
    opacity: 0.85;
    overflow-wrap: anywhere;
}

.rm-row-input {
    display: grid;
    gap: 0.3rem;
    min-width: 0;
}

.rm-row input:not([type="checkbox"]),
.rm-row select,
.rm-row textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--rm-border);
    border-radius: 10px;
    background: #fff;
    font: inherit;
    font-size: 0.92rem;
    color: var(--color-text-primary);
}

.rm-row textarea {
    resize: vertical;
}

.rm-row input:focus,
.rm-row select:focus,
.rm-row textarea:focus,
.rm-filter:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 0;
    border-color: transparent;
}

.rm-row.is-locked input,
.rm-row.is-locked textarea {
    background: var(--rm-lock-bg);
    color: var(--color-text-secondary);
    cursor: not-allowed;
}

.rm-row.is-locked input:focus,
.rm-row.is-locked textarea:focus {
    outline: 1px solid var(--rm-border);
}

.rm-pair {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
}

.rm-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rm-check input {
    width: 1.1rem;
    height: 1.1rem;
    margin: 0;
    accent-color: var(--color-primary);
}

.rm-row-check.is-locked label {
    cursor: not-allowed;
}

.rm-hint {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.rm-from {
    font-size: 0.76rem;
    color: var(--brand-muted, #805b50);
}

.rm-from[hidden] {
    display: none;
}

.rm-lock {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.78rem;
    color: var(--color-text-secondary);
}

.rm-lock[hidden] {
    display: none;
}

.rm-lock svg {
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.rm-kept {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.4rem;
    font-size: 0.88rem;
}

.rm-kept li {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.25rem 0.6rem;
    padding: 0.5rem 0.7rem;
    border-radius: 10px;
    background: var(--rm-ok-bg);
    overflow-wrap: anywhere;
}

.rm-kept li .rm-lock {
    font-weight: 700;
}

.rm-kept li.rm-empty {
    background: #f5f3ef;
}

.rm-links {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
}

.rm-link {
    border: 0;
    background: none;
    padding: 0.25rem 0;
    font: inherit;
    font-size: 0.86rem;
    color: var(--color-text-secondary);
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
}

.rm-link:hover {
    color: var(--color-primary);
}

.rm-panel .rm-error {
    margin-bottom: 1rem;
}

/* ---------- nút ---------- */

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

.rm-btn {
    border: 0;
    border-radius: 12px;
    padding: 0.8rem 1.3rem;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.15s, opacity 0.15s;
}

.rm-btn:not(:disabled):hover {
    transform: translateY(-1px);
}

.rm-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.rm-btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.rm-btn-gold {
    background: var(--color-secondary);
    color: var(--color-text-primary);
}

.rm-btn-ghost {
    background: transparent;
    border: 1px solid var(--rm-border);
    color: var(--color-text-primary);
    padding: 0.55rem 1rem;
    justify-self: start;
}

.rm-option {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.88rem;
    color: var(--color-text-secondary);
}

.rm-note ul {
    margin: 0;
    padding-left: 1.1rem;
    line-height: 1.6;
    font-size: 0.92rem;
}

@media (max-width: 480px) {
    .rm-actions .rm-btn {
        flex: 1 1 100%;
    }

    .rm-tab {
        flex: 1 1 auto;
        padding: 0.6rem 0.45rem;
        font-size: 0.84rem;
    }
}

@media (min-width: 640px) {
    .rm-row {
        grid-template-columns: 220px minmax(0, 1fr);
        column-gap: 1.25rem;
        align-items: start;
    }

    .rm-row-label {
        padding-top: 0.45rem;
    }

    .rm-row-check .rm-row-label {
        padding-top: 0.1rem;
    }

    .rm-row-check .rm-row-input {
        padding-top: 0.1rem;
    }
}

@media (min-width: 768px) {
    .rm-file-card {
        grid-template-columns: 280px minmax(0, 1fr);
    }

    .rm-file-card .rm-btn-ghost {
        grid-column: 2;
    }
}