:root {
    --bg-primary: #070B14;
    --bg-secondary: #0E1628;
    --surface-card: #121C33;
    --surface-input: #1B1B2A;
    --border: #2A293A;
    --accent-primary: #00E5A8;
    --accent-secondary: #00FF84;
    --text-primary: #F6F3FA;
    --text-secondary: #A6A0B5;
    --success: #64D9A0;
    --warning: #F4C66A;
    --error: #FF7B88;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.25);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.35);
    --shadow-lg: 0 18px 48px rgba(0,0,0,0.45);
    --transition-fast: 150ms ease;
    --transition-base: 220ms ease;
}

* { box-sizing: border-box; }
html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}
html { scroll-behavior: smooth; }
body {
    font-family: Vazirmatn, "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    direction: rtl;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ---------- Topbar ---------- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 20px;
    background: rgba(8, 9, 16, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #080910;
    font-weight: 800;
    font-size: 1.15rem;
    flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; }
.logo-name {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin: 0;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.logo-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}
.connection-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--surface-card);
    border: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
}
.connection-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--text-secondary);
    transition: background var(--transition-fast);
}
.connection-pill.ok .connection-dot { background: var(--success); box-shadow: 0 0 6px var(--success); }
.connection-pill.error .connection-dot { background: var(--error); box-shadow: 0 0 6px var(--error); }
.connection-pill.warn .connection-dot { background: var(--warning); box-shadow: 0 0 6px var(--warning); }

.btn-icon {
    width: 36px;
    height: 36px;
    display: inline-grid;
    place-items: center;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.btn-icon:hover:not(:disabled) {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    background: var(--surface-input);
}
.btn-icon:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 2px; }
.btn-icon.close { border: none; background: transparent; }

/* ---------- Main Studio ---------- */
.studio {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1px;
    background: var(--border);
}
@media (min-width: 1024px) {
    .studio {
        grid-template-columns: 1fr 380px;
    }
}
@media (min-width: 1440px) {
    .studio {
        grid-template-columns: 1fr 420px;
    }
}

.canvas {
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    min-height: 0;
}
.canvas-inner {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    min-height: 420px;
}

/* ---------- Upload Layer ---------- */
.upload-layer {
    width: 100%;
    max-width: 560px;
}
.upload-card {
    border: 1.5px dashed var(--border);
    border-radius: var(--radius-xl);
    padding: 44px 28px;
    text-align: center;
    background: linear-gradient(180deg, rgba(21,21,34,0.6) 0%, rgba(16,17,27,0.4) 100%);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
}
.upload-card:hover, .upload-card.drag-over {
    border-color: var(--accent-primary);
    background: rgba(215,160,255,0.05);
    box-shadow: var(--shadow-md);
}
.upload-card:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 4px; }
.upload-icon-wrap {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--surface-card);
    border: 1px solid var(--border);
    display: grid;
    place-items: center;
    color: var(--accent-primary);
    transition: transform var(--transition-base);
}
.upload-card:hover .upload-icon-wrap { transform: scale(1.05); }
.upload-icon { width: 36px; height: 36px; }
.upload-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--text-primary);
}
.upload-hint {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0 0 20px;
}
.upload-specs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}
.spec-pill {
    padding: 5px 12px;
    border-radius: 999px;
    background: var(--surface-input);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 500;
}
input[type="file"] { display: none; }

/* ---------- Preview Layer ---------- */
.preview-layer, .result-layer {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}
.preview-toolbar, .result-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 14px;
}
.btn-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface-card);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.btn-text:hover:not(:disabled) {
    color: var(--text-primary);
    border-color: var(--accent-primary);
    background: var(--surface-input);
}
.preview-frame, .compare {
    flex: 1;
    min-height: 320px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    overflow: hidden;
    display: grid;
    place-items: center;
    position: relative;
}
.preview-frame img, .compare-base img, .compare-overlay img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}
.preview-frame img { width: 100%; height: 100%; }

/* ---------- Result view toggle ---------- */
.result-view-toggle {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    padding: 0 8px;
}
.view-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface-card);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.view-btn:hover:not(:disabled) {
    color: var(--text-primary);
    border-color: var(--accent-primary);
    background: var(--surface-input);
}
.view-btn.active {
    border-color: var(--accent-primary);
    background: rgba(215,160,255,0.12);
    color: var(--accent-primary);
}

/* ---------- Compare Layer ---------- */
.compare {
    cursor: ew-resize;
    touch-action: none;
    user-select: none;
}
.compare-base {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
}
.compare-base img { width: 100%; height: 100%; }
.compare-overlay {
    position: absolute;
    inset: 0 auto 0 0;
    overflow: hidden;
    border-right: 1px solid rgba(246,243,250,0.25);
}
.compare-overlay img {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
}
.compare-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 3px;
    background: rgba(246,243,250,0.15);
    transform: translateX(-50%);
    pointer-events: none;
}
.compare-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(246,243,250,0.95);
    color: #080910;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    box-shadow: var(--shadow-md);
    font-size: 0.85rem;
    font-weight: 700;
}
.handle-arrow { line-height: 1; }
.compare-label {
    position: absolute;
    top: 14px;
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    background: rgba(8,9,16,0.7);
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 600;
    pointer-events: none;
    backdrop-filter: blur(4px);
}
.before-label { left: 14px; }
.after-label { right: 14px; }

/* ---------- Image views ---------- */
.image-view {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    overflow: hidden;
    position: relative;
}
.image-view img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

/* ---------- Processing steps ---------- */
.processing-steps {
    margin-top: 20px;
    padding: 16px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--surface-card);
}
.steps-title {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 10px;
}
.step-thumbnail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 100px;
}
.step-thumbnail:hover {
    border-color: var(--accent-primary);
    background: rgba(215,160,255,0.08);
}
.step-thumbnail.processing {
    opacity: 0.4;
    cursor: not-allowed;
}
.step-thumbnail img {
    max-width: 100%;
    max-height: 60px;
    object-fit: contain;
}
.step-thumbnail-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-align: center;
    color: var(--text-secondary);
    word-break: break-word;
}
.step-thumbnail-label.active {
    color: var(--accent-primary);
}

/* ---------- Status Bar ---------- */
.status-bar {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    min-height: 46px;
    display: flex;
    align-items: center;
}
.status-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.status-text.ok { color: var(--success); }
.status-text.error { color: var(--error); }
.status-text.warn { color: var(--warning); }

/* ---------- Side Panel ---------- */
.panel {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    min-height: 0;
}
@media (min-width: 1024px) {
    .panel { border-right: none; border-left: 1px solid var(--border); }
}
.panel-scroller {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}
.panel-group-title {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

/* Target cards */
.target-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-radius: var(--radius-md);
    background: var(--surface-card);
    border: 1px solid var(--border);
    transition: all var(--transition-fast);
}
.target-card.active {
    border-color: rgba(215,160,255,0.45);
    background: rgba(215,160,255,0.08);
}
.target-card.disabled {
    opacity: 0.55;
}
.target-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--accent-primary);
    color: #080910;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.target-icon.dim { background: var(--surface-input); color: var(--text-secondary); }
.target-body { flex: 1; min-width: 0; }
.target-name { font-weight: 700; font-size: 0.95rem; margin-bottom: 2px; }
.target-desc { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }
.target-status {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(100,217,160,0.12);
    color: var(--success);
    white-space: nowrap;
}
.target-status.off { background: rgba(166,160,181,0.12); color: var(--text-secondary); }

/* Style options */
.style-options { display: flex; flex-direction: column; gap: 8px; }
.style-option {
    display: block;
    cursor: pointer;
}
.style-option input { position: absolute; opacity: 0; }
.style-option-box {
    display: block;
    padding: 14px;
    border-radius: var(--radius-md);
    background: var(--surface-card);
    border: 1px solid var(--border);
    transition: all var(--transition-fast);
}
.style-option.active .style-option-box {
    border-color: var(--accent-primary);
    background: rgba(215,160,255,0.08);
}
.style-option-title { display: block; font-weight: 700; font-size: 0.95rem; margin-bottom: 4px; color: var(--text-primary); }
.style-option-desc { display: block; font-size: 0.78rem; color: var(--text-secondary); }

/* Inputs */
.input-wrap { display: flex; flex-direction: column; gap: 8px; }
.text-input {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--surface-input);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.text-input::placeholder { color: var(--text-secondary); opacity: 0.6; }
.text-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(215,160,255,0.12);
}
.input-hint {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* Intensity */
.intensity-control { padding: 4px 0; }
.intensity-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.intensity-label { font-weight: 600; font-size: 0.95rem; }
.intensity-value {
    font-family: "SF Mono", "Segoe UI Mono", monospace;
    font-weight: 700;
    color: var(--accent-primary);
    font-size: 0.95rem;
    direction: ltr;
    display: inline-block;
}
input[type="range"] {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 999px;
    background: var(--surface-input);
    outline: none;
    cursor: pointer;
    border: 1px solid var(--border);
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(215,160,255,0.15);
    cursor: pointer;
    transition: transform var(--transition-fast);
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.1); }
input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 50%;
    background: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(215,160,255,0.15);
    cursor: pointer;
}
.intensity-ticks {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 0.72rem;
    color: var(--text-secondary);
}

/* Protected note */
.protected-note {
    display: flex;
    gap: 10px;
    padding: 12px;
    border-radius: var(--radius-md);
    background: rgba(100,217,160,0.06);
    border: 1px solid rgba(100,217,160,0.15);
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.6;
}
.protected-note svg {
    flex-shrink: 0;
    color: var(--success);
    margin-top: 2px;
}

/* Panel actions */
.panel-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: auto;
    padding-top: 8px;
}
button {
    font-family: inherit;
    border: none;
    border-radius: var(--radius-md);
    padding: 13px 18px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition-fast), opacity var(--transition-fast), filter var(--transition-fast), box-shadow var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
button:active:not(:disabled) { transform: scale(0.98); }
button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}
button:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 2px; }
.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, #b37fe8 100%);
    color: #080910;
    box-shadow: 0 6px 18px rgba(215,160,255,0.18);
}
.btn-primary:not(:disabled):hover {
    filter: brightness(1.08);
    box-shadow: 0 8px 24px rgba(215,160,255,0.25);
}
.btn-secondary {
    background: var(--surface-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-secondary:not(:disabled):hover { background: #252538; border-color: #3f3d56; }
.btn-ghost {
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}
.btn-ghost:not(:disabled):hover { background: rgba(215,160,255,0.08); }

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(8,9,16,0.25);
    border-top-color: #080910;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Footer ---------- */
.footer {
    padding: 18px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.78rem;
}
.footer p { margin: 0; }

/* ---------- Modal ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal.hidden { display: none; }
.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(8,9,16,0.75);
    backdrop-filter: blur(4px);
}
.modal-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: modalIn 220ms ease;
}
.modal-card.modal-large {
    max-width: 800px;
    max-height: 90vh;
    overflow: auto;
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
}
.modal-header h2 { margin: 0; font-size: 1.1rem; }
.modal-body { padding: 20px; display: flex; flex-direction: column; gap: 18px; }
.modal-footer { padding: 14px 20px 20px; text-align: left; }
.setting-row { display: flex; flex-direction: column; gap: 8px; }
.setting-row label { font-weight: 600; font-size: 0.92rem; }
.setting-optional { color: var(--text-secondary); font-weight: 400; font-size: 0.8rem; }
.info-box {
    display: flex;
    gap: 12px;
    padding: 14px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}
.info-box strong { display: block; color: var(--text-primary); margin-bottom: 4px; }
.info-box p { margin: 0; }
.info-box svg { flex-shrink: 0; color: var(--accent-primary); margin-top: 2px; }

/* ---------- Helpers ---------- */
.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* ---------- Filter options ---------- */
.filter-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.filter-option {
    display: block;
    cursor: pointer;
}
.filter-option input {
    position: absolute;
    opacity: 0;
}
.filter-option-box {
    display: block;
    padding: 12px;
    border-radius: var(--radius-md);
    background: var(--surface-card);
    border: 1px solid var(--border);
    transition: all var(--transition-fast);
}
.filter-option:hover .filter-option-box {
    border-color: var(--accent-primary);
    background: rgba(215,160,255,0.05);
}
.filter-option.active .filter-option-box {
    border-color: var(--accent-primary);
    background: rgba(215,160,255,0.12);
}
.filter-option.disabled .filter-option-box {
    opacity: 0.5;
    cursor: not-allowed;
}
.filter-option-name {
    display: block;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 2px;
    color: var(--text-primary);
}
.filter-option-desc {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
}
.filter-option-status {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    margin-top: 4px;
    padding: 2px 6px;
    border-radius: 999px;
    background: rgba(100,217,160,0.12);
    color: var(--success);
}
.filter-option-status.disabled {
    background: rgba(166,160,181,0.12);
    color: var(--text-secondary);
}

/* ---------- Responsive ---------- */
@media (max-width: 1023px) {
    .studio { display: flex; flex-direction: column; }
    .canvas-inner { min-height: 360px; }
    .panel { border-left: none; border-top: 1px solid var(--border); }
    .panel-scroller { padding: 18px; }
}
@media (max-width: 640px) {
    .topbar { padding: 12px 14px; }
    .logo-name { font-size: 1rem; }
    .logo-sub { display: none; }
    .canvas-inner { padding: 14px; min-height: 320px; }
    .upload-card { padding: 32px 18px; }
    .upload-title { font-size: 1.05rem; }
    .preview-frame, .compare { min-height: 260px; }
    .compare-handle { width: 36px; height: 36px; }
    .compare-label { font-size: 0.7rem; padding: 4px 8px; }
    .result-toolbar { flex-direction: column; align-items: stretch; }
    .result-toolbar .btn-text { justify-content: center; }
}
@media (max-width: 375px) {
    .topbar-actions { gap: 6px; }
    .connection-pill { padding: 5px 8px; font-size: 0.68rem; }
    .btn-icon { width: 32px; height: 32px; }
    .upload-card { padding: 26px 14px; }
    .spec-pill { font-size: 0.7rem; }
    .panel-scroller { padding: 14px; }
}

/* ---------- Live Camera Layer ---------- */
.camera-layer {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #000;
    position: relative;
}
.camera-preview {
    flex: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.camera-controls {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 15px;
    background: rgba(0,0,0,0.5);
    border-radius: var(--radius-lg);
}
.btn-capture {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 4px solid rgba(255,255,255,0.2);
}