/* SVG ViewBox Editor — isolated UI. Every selector is isolated with .svgviewbox-. */

.svgviewbox-shell {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.svgviewbox-hero,
.svgviewbox-actions,
.svgviewbox-stats,
.svgviewbox-preview-card,
.svgviewbox-code-card,
.svgviewbox-settings,
.svgviewbox-output-card,
.svgviewbox-error {
    background:
        radial-gradient(circle at top left, rgba(99, 102, 241, 0.12), transparent 31rem),
        linear-gradient(180deg, rgba(24, 27, 36, 0.98), rgba(17, 19, 24, 0.98));
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.22);
}

/* ── Error ──────────────────────────────────────────────────────────────────── */

.svgviewbox-error {
    border-color: rgba(248, 113, 113, 0.36);
    background:
        radial-gradient(circle at top left, rgba(248, 113, 113, 0.12), transparent 26rem),
        linear-gradient(180deg, rgba(35, 18, 22, 0.98), rgba(20, 12, 14, 0.98));
    padding: 0.85rem 1rem;
}

.svgviewbox-error strong { color: #fecaca; }
.svgviewbox-error p { color: #fca5a5; margin-top: 0.22rem; }

/* ── Hero ───────────────────────────────────────────────────────────────────── */

.svgviewbox-hero {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem;
    overflow: hidden;
}

.svgviewbox-hero__copy { max-width: 820px; }

.svgviewbox-eyebrow,
.svgviewbox-card-kicker {
    color: var(--accent-light);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.svgviewbox-hero h2 {
    margin-top: 0.22rem;
    font-size: clamp(1.45rem, 2.7vw, 2.3rem);
    line-height: 1.04;
    letter-spacing: -0.055em;
}

.svgviewbox-hero p {
    max-width: 760px;
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.svgviewbox-hero__panel {
    display: flex;
    min-width: 270px;
    align-content: center;
    justify-content: flex-end;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.svgviewbox-hero__panel span,
.svgviewbox-signal-strip span {
    border: 1px solid rgba(129, 140, 248, 0.24);
    border-radius: 999px;
    background: var(--accent-dim);
    color: var(--accent-light);
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1;
    padding: 0.45rem 0.65rem;
    white-space: nowrap;
}

/* ── Actions ────────────────────────────────────────────────────────────────── */

.svgviewbox-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.75rem;
}

.svgviewbox-dropzone {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    min-height: 74px;
    border: 1px dashed rgba(129, 140, 248, 0.36);
    border-radius: 15px;
    background: rgba(99, 102, 241, 0.08);
    padding: 0.75rem;
}

.svgviewbox-dropzone.is-dragging {
    border-color: var(--accent-light);
    background: rgba(99, 102, 241, 0.16);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.16);
}

.svgviewbox-dropzone strong,
.svgviewbox-dropzone span { display: block; }

.svgviewbox-dropzone strong {
    color: var(--text-primary);
    font-size: 0.95rem;
    letter-spacing: -0.02em;
}

.svgviewbox-dropzone span {
    margin-top: 0.12rem;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.svgviewbox-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

.svgviewbox-action-buttons,
.svgviewbox-output-actions,
.svgviewbox-preview-tools {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
}

/* ── Buttons ────────────────────────────────────────────────────────────────── */

.svgviewbox-button,
.svgviewbox-preview-tools button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 40px;
    border: 1px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    font: inherit;
    font-size: 0.84rem;
    font-weight: 850;
    line-height: 1;
    padding: 0.65rem 0.9rem;
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.svgviewbox-button:hover:not(:disabled),
.svgviewbox-preview-tools button:hover { transform: translateY(-1px); }
.svgviewbox-button:disabled { cursor: not-allowed; opacity: 0.48; }

.svgviewbox-button--primary {
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: #fff;
    box-shadow: 0 14px 32px rgba(99, 102, 241, 0.28);
}

.svgviewbox-button--soft {
    border-color: rgba(129, 140, 248, 0.28);
    background: var(--accent-dim);
    color: var(--accent-light);
}

.svgviewbox-button--ghost,
.svgviewbox-preview-tools button {
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.025);
    color: var(--text-secondary);
}

.svgviewbox-button--ghost:hover:not(:disabled),
.svgviewbox-preview-tools button:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.svgviewbox-preview-tools button.is-active {
    border-color: rgba(129, 140, 248, 0.42);
    background: rgba(99, 102, 241, 0.14);
    color: var(--accent-light);
}

/* ── Stats ──────────────────────────────────────────────────────────────────── */

.svgviewbox-stats {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.65rem;
    padding: 0.75rem;
}

.svgviewbox-stat {
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(10, 11, 15, 0.34);
    padding: 0.75rem;
}

.svgviewbox-stat span {
    display: block;
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.svgviewbox-stat strong {
    display: block;
    min-width: 0;
    margin-top: 0.14rem;
    overflow: hidden;
    color: var(--text-primary);
    font-size: clamp(0.9rem, 1.5vw, 1.25rem);
    letter-spacing: -0.04em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.svgviewbox-stat--accent {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.18), rgba(99, 102, 241, 0.07));
    border-color: rgba(129, 140, 248, 0.32);
}

/* ── Card headers ───────────────────────────────────────────────────────────── */

.svgviewbox-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.85rem;
    padding: 0.9rem 0.95rem 0.7rem;
}

.svgviewbox-card-header h3 {
    margin-top: 0.12rem;
    font-size: 1rem;
    letter-spacing: -0.03em;
}

.svgviewbox-card-header p {
    max-width: 510px;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.svgviewbox-card-header--preview { align-items: center; }

/* ── Preview card ───────────────────────────────────────────────────────────── */

.svgviewbox-preview-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    padding: 0 0.75rem 0.75rem;
}

.svgviewbox-preview-grid.is-original [data-svgviewbox-pane="edited"],
.svgviewbox-preview-grid.is-edited [data-svgviewbox-pane="original"] { display: none; }

.svgviewbox-preview-grid.is-original,
.svgviewbox-preview-grid.is-edited { grid-template-columns: minmax(0, 1fr); }

.svgviewbox-preview-pane {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: rgba(8, 9, 13, 0.45);
}

.svgviewbox-pane-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border);
    padding: 0.55rem 0.7rem;
}

.svgviewbox-pane-label span {
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.svgviewbox-pane-label strong {
    color: var(--accent-light);
    font-size: 0.74rem;
}

/* ── Preview surface wrapper (overlay positioning anchor) ───────────────────── */

.svgviewbox-preview-surface-wrap {
    position: relative;
    overflow: hidden;
}

.svgviewbox-preview-surface {
    display: grid;
    place-items: center;
    min-height: 240px;
    overflow: auto;
    background-color: rgba(255, 255, 255, 0.02);
    background-image:
        linear-gradient(45deg, rgba(255, 255, 255, 0.06) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.06) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.06) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.06) 75%);
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
    background-size: 20px 20px;
    padding: 1rem;
    color: var(--text-muted);
    text-align: center;
}

.svgviewbox-preview-grid:not(.is-grid-visible) .svgviewbox-preview-surface {
    background-image: none;
}

.svgviewbox-preview-surface svg {
    display: block;
    max-width: min(100%, 420px);
    max-height: 260px;
}

.svgviewbox-edited-preview {
    border-left: 1px solid rgba(129, 140, 248, 0.18);
}

/* ── Crop overlay ────────────────────────────────────────────────────────────── */

.svgviewbox-overlay-wrap {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 10;
}

.svgviewbox-overlay-shade {
    position: absolute;
    background: rgba(0, 0, 0, 0.48);
    pointer-events: none;
}

.svgviewbox-overlay-rect {
    position: absolute;
    border: 2px dashed rgba(129, 140, 248, 0.88);
    box-sizing: border-box;
    cursor: move;
    pointer-events: all;
    touch-action: none;
    outline: none;
}

.svgviewbox-overlay-handle {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid #818cf8;
    border-radius: 3px;
    background: rgba(17, 19, 28, 0.92);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.55);
    pointer-events: all;
    touch-action: none;
}

.svgviewbox-overlay-handle[data-svgviewbox-handle="tl"] {
    top: -7px;
    left: -7px;
    cursor: nwse-resize;
}

.svgviewbox-overlay-handle[data-svgviewbox-handle="tr"] {
    top: -7px;
    right: -7px;
    cursor: nesw-resize;
}

.svgviewbox-overlay-handle[data-svgviewbox-handle="bl"] {
    bottom: -7px;
    left: -7px;
    cursor: nesw-resize;
}

.svgviewbox-overlay-handle[data-svgviewbox-handle="br"] {
    bottom: -7px;
    right: -7px;
    cursor: nwse-resize;
}

.svgviewbox-overlay-label {
    position: absolute;
    bottom: calc(100% + 7px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(17, 19, 28, 0.92);
    border: 1px solid rgba(129, 140, 248, 0.36);
    border-radius: 7px;
    color: #a5b4fc;
    font-size: 0.68rem;
    font-weight: 750;
    letter-spacing: 0.03em;
    padding: 0.2rem 0.5rem;
    pointer-events: none;
    white-space: nowrap;
}

/* ── Signal strip ───────────────────────────────────────────────────────────── */

.svgviewbox-signal-strip {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    border-top: 1px solid var(--border);
    padding: 0.75rem;
}

.svgviewbox-signal--safe {
    border-color: rgba(74, 222, 128, 0.32) !important;
    background: rgba(22, 163, 74, 0.12) !important;
    color: #86efac !important;
}

.svgviewbox-signal--risk {
    border-color: rgba(251, 191, 36, 0.38) !important;
    background: rgba(180, 83, 9, 0.13) !important;
    color: #fbbf24 !important;
}

.svgviewbox-signal--muted {
    border-color: var(--border) !important;
    background: rgba(255, 255, 255, 0.025) !important;
    color: var(--text-muted) !important;
}

/* ── Workspace ──────────────────────────────────────────────────────────────── */

.svgviewbox-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.72fr);
    gap: 1rem;
    align-items: start;
}

.svgviewbox-code-card,
.svgviewbox-settings,
.svgviewbox-output-card { overflow: hidden; }

.svgviewbox-code-card  { min-width: 0; }
.svgviewbox-settings,
.svgviewbox-output-card { min-width: 0; }

.svgviewbox-output-card { grid-column: 1 / -1; }

/* ── Textarea ───────────────────────────────────────────────────────────────── */

.svgviewbox-textarea {
    display: block;
    width: calc(100% - 1.5rem);
    min-height: 350px;
    margin: 0 0.75rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(5, 6, 9, 0.62);
    color: var(--text-primary);
    font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
    font-size: 0.82rem;
    line-height: 1.6;
    outline: none;
    padding: 0.85rem;
    resize: vertical;
    tab-size: 2;
}

.svgviewbox-textarea:focus {
    border-color: rgba(129, 140, 248, 0.48);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.13);
}

.svgviewbox-textarea--output {
    min-height: 220px;
    max-height: 460px;
    overflow: auto;
    white-space: pre;
}

/* ── Settings ───────────────────────────────────────────────────────────────── */

.svgviewbox-settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
    padding: 0 0.85rem 0.85rem;
}

.svgviewbox-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    min-width: 0;
}

.svgviewbox-field span {
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.svgviewbox-field input[type="number"] {
    min-height: 42px;
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(5, 6, 9, 0.58);
    color: var(--text-primary);
    font: inherit;
    font-size: 0.86rem;
    outline: none;
    padding: 0.55rem 0.7rem;
}

.svgviewbox-field input[type="number"]:focus {
    border-color: rgba(129, 140, 248, 0.48);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.13);
}

/* ── Toggles ────────────────────────────────────────────────────────────────── */

.svgviewbox-toggles {
    padding: 0 0.85rem 0.85rem;
    display: grid;
    gap: 0.55rem;
}

.svgviewbox-toggle {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.4rem;
    min-height: 42px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(5, 6, 9, 0.36);
    color: var(--text-muted);
    font-size: 0.82rem;
    padding: 0.55rem 0.65rem;
    cursor: pointer;
}

.svgviewbox-toggle input { accent-color: var(--accent); }

/* ── Preset select row ──────────────────────────────────────────────────────── */

.svgviewbox-select-row {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 0 0.85rem 0.85rem;
}

.svgviewbox-select-row label {
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ── Custom select ──────────────────────────────────────────────────────────── */

.svgviewbox-custom-select { position: relative; }

.svgviewbox-native-select {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    opacity: 0;
    pointer-events: none;
}

.svgviewbox-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(5, 6, 9, 0.58);
    color: var(--text-primary);
    cursor: pointer;
    font: inherit;
    font-size: 0.84rem;
    font-weight: 780;
    padding: 0.55rem 0.7rem;
    text-align: left;
}

.svgviewbox-select-trigger:hover,
.svgviewbox-select-trigger[aria-expanded="true"] {
    border-color: rgba(129, 140, 248, 0.48);
    background: rgba(99, 102, 241, 0.12);
}

.svgviewbox-select-trigger svg {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    flex: 0 0 auto;
}

.svgviewbox-select-menu {
    position: absolute;
    z-index: 30;
    top: calc(100% + 0.35rem);
    left: 0;
    display: grid;
    width: min(280px, 78vw);
    max-height: 260px;
    overflow: auto;
    border: 1px solid rgba(129, 140, 248, 0.32);
    border-radius: 14px;
    background: #11131b;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.46);
    padding: 0.35rem;
}

.svgviewbox-select-menu[hidden] { display: none; }

.svgviewbox-select-menu button {
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font: inherit;
    font-size: 0.82rem;
    padding: 0.6rem 0.65rem;
    text-align: left;
}

.svgviewbox-select-menu button:hover,
.svgviewbox-select-menu button:focus,
.svgviewbox-select-menu button[aria-selected="true"] {
    background: rgba(99, 102, 241, 0.16);
    color: var(--text-primary);
    outline: none;
}

/* ── Section headers within settings ───────────────────────────────────────── */

.svgviewbox-section-header {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin: 0 0.85rem 0.55rem;
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 850;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    border-top: 1px solid var(--border);
    padding-top: 0.75rem;
}

.svgviewbox-section-note {
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    opacity: 0.7;
}

/* ── Padding grid ───────────────────────────────────────────────────────────── */

.svgviewbox-padding-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
    padding: 0 0.85rem 0.85rem;
}

/* ── Canvas tool buttons ────────────────────────────────────────────────────── */

.svgviewbox-tools-group {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    flex-wrap: wrap;
    padding: 0 0.85rem 0.55rem;
}

.svgviewbox-tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(99, 102, 241, 0.08);
    color: var(--accent-light);
    cursor: pointer;
    font: inherit;
    font-size: 0.77rem;
    font-weight: 820;
    line-height: 1;
    padding: 0.5rem 0.7rem;
    white-space: nowrap;
    transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}

.svgviewbox-tool-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(129, 140, 248, 0.48);
    background: rgba(99, 102, 241, 0.16);
}

.svgviewbox-tool-btn--muted {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
}

.svgviewbox-tool-btn--muted:hover {
    background: rgba(255, 255, 255, 0.07);
    color: var(--text-primary);
}

/* ── Preserve note ──────────────────────────────────────────────────────────── */

.svgviewbox-preserve-note {
    display: grid;
    gap: 0.28rem;
    margin: 0.2rem 0.85rem 0.85rem;
    border: 1px solid rgba(16, 185, 129, 0.24);
    border-radius: 14px;
    background: rgba(6, 78, 59, 0.16);
    color: var(--text-secondary);
    font-size: 0.78rem;
    padding: 0.75rem;
}

.svgviewbox-preserve-note strong {
    color: var(--text-primary);
    font-size: 0.82rem;
}

.svgviewbox-preserve-note code {
    font-family: monospace;
    background: rgba(16, 185, 129, 0.12);
    padding: 0.05em 0.3em;
    border-radius: 3px;
    font-size: 0.82em;
}

/* ── Output actions ─────────────────────────────────────────────────────────── */

.svgviewbox-output-actions { padding: 0 0.75rem 0.85rem; }

#svgviewbox-copy-svg     { min-width: 118px; }
#svgviewbox-download     { min-width: 134px; }
#svgviewbox-copy-viewbox { min-width: 130px; }

/* ── Responsive ─────────────────────────────────────────────────────────────── */

@media (max-width: 1120px) {
    .svgviewbox-actions,
    .svgviewbox-workspace {
        grid-template-columns: 1fr;
    }

    .svgviewbox-action-buttons {
        justify-content: flex-start;
    }
}

@media (max-width: 900px) {
    .svgviewbox-hero {
        flex-direction: column;
    }

    .svgviewbox-hero__panel {
        min-width: 0;
        justify-content: flex-start;
    }

    .svgviewbox-stats {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .svgviewbox-preview-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .svgviewbox-actions,
    .svgviewbox-dropzone,
    .svgviewbox-card-header,
    .svgviewbox-card-header--preview {
        align-items: stretch;
        flex-direction: column;
    }

    .svgviewbox-card-header,
    .svgviewbox-card-header--preview {
        display: flex;
    }

    .svgviewbox-stats,
    .svgviewbox-settings-grid,
    .svgviewbox-padding-grid {
        grid-template-columns: 1fr;
    }

    .svgviewbox-button,
    .svgviewbox-preview-tools button {
        width: 100%;
    }

    .svgviewbox-action-buttons,
    .svgviewbox-output-actions,
    .svgviewbox-preview-tools {
        width: 100%;
    }

    .svgviewbox-select-menu {
        width: 100%;
    }

    .svgviewbox-preview-surface {
        min-height: 190px;
    }
}

@media (max-width: 460px) {
    .svgviewbox-hero,
    .svgviewbox-actions,
    .svgviewbox-stats,
    .svgviewbox-preview-card,
    .svgviewbox-code-card,
    .svgviewbox-settings,
    .svgviewbox-output-card {
        border-radius: 14px;
    }

    .svgviewbox-textarea {
        min-height: 270px;
    }
}