/* ============================================
   COMPONENTS.CSS
   Tool page structure, shared UI components
   Load order: 3 of 4
   ============================================ */

/* ============================================
   TOOL PAGE - Light Theme
   ============================================ */

.tool-page {
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--font-sans);
    line-height: 1.5;
}

/* Tool Page Header/Nav */
.tool-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-card);
    min-height: 64px;
}

.tool-nav-left {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.tool-nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.nav-logo {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text);
    text-decoration: none;
}

.nav-logo:hover {
    color: var(--accent);
}

.nav-separator {
    color: var(--text-muted);
    font-size: var(--text-sm);
    user-select: none;
}

.nav-current-tool {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text);
}

.nav-all-tools {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-all-tools:hover {
    color: var(--accent);
}

/* Network Monitor */
.network-monitor {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--green-muted);
    border: 1px solid var(--green-border);
    font-size: var(--text-xs);
    color: var(--green);
    font-weight: 500;
}

.network-monitor .monitor-dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.9);
    }
}

.network-monitor .monitor-count {
    font-weight: 600;
    font-family: var(--font-mono);
}

/* Smaller network monitor variant for trust bar */
.network-monitor-sm {
    padding: var(--space-1) var(--space-2);
    font-size: 11px;
}

.network-monitor-sm .monitor-dot {
    width: 6px;
    height: 6px;
}

/* Nav Pro Link */
.nav-pro-link {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
    text-decoration: none;
    padding: 0.2rem 0.5rem;
    border: 1.5px solid var(--accent);
    transition: background 0.15s ease, color 0.15s ease;
}

.nav-pro-link:hover {
    background: var(--accent);
    color: #fff;
}

/* Font Toggle Button */
.font-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 36px;
}

.font-toggle:hover {
    border-color: var(--border-medium);
    color: var(--text);
    background: var(--bg-subtle);
}

.font-toggle.active {
    background: var(--accent-muted);
    border-color: var(--accent);
    color: var(--accent);
}

/* When dyslexic font is active, show the button in that font too */
body.dyslexic-font .font-toggle {
    font-family: 'OpenDyslexic', sans-serif !important;
}

/* Tool Header */
.tool-header {
    padding: var(--space-8) var(--space-6) var(--space-6);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.tool-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: var(--space-2);
}

.tool-description {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.tool-links {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.tool-links a {
    color: var(--accent);
    text-decoration: none;
}

.tool-links a:hover {
    text-decoration: underline;
}

/* Main Content Area */
.tool-main {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--space-6) var(--space-8);
}

/* Two-column layout for tool pages */
.tool-layout {
    display: grid;
    grid-template-columns: 1fr minmax(320px, 420px);
    gap: var(--space-12);
    align-items: start;
}

.tool-preview {
    /* Left column: canvas/preview area */
    min-width: 0; /* Prevent overflow */
}

.tool-controls {
    /* Right column: controls panel */
    position: sticky;
    top: var(--space-4);
}

@media (max-width: 900px) {
    .tool-layout {
        grid-template-columns: 1fr;
    }

    .tool-controls {
        position: static;
    }
}

/* Drop Zone */
.drop-zone {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-6);
    background: var(--bg-card);
    border: 2px dashed var(--border-medium);
    cursor: pointer;
    transition: all 0.15s ease;
}

.drop-zone[hidden] {
    display: none;
}

.drop-zone:hover {
    border-color: var(--border);
    border-style: solid;
    background: var(--bg-warm);
}

.drop-zone.dragover {
    border-color: var(--accent);
    border-style: solid;
    background: var(--accent-light);
}

/* Corner accents */
.drop-zone::before,
.drop-zone::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid var(--accent);
    transition: all 0.2s ease;
    opacity: 0.6;
}

.drop-zone::before {
    top: -2px;
    left: -2px;
    border-right: none;
    border-bottom: none;
}

.drop-zone::after {
    top: -2px;
    right: -2px;
    border-left: none;
    border-bottom: none;
}

.drop-zone:hover::before,
.drop-zone:hover::after {
    width: 28px;
    height: 28px;
    opacity: 1;
}

.drop-zone .corner-bl,
.drop-zone .corner-br {
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid var(--accent);
    transition: all 0.2s ease;
    opacity: 0.6;
}

.drop-zone .corner-bl {
    bottom: -2px;
    left: -2px;
    border-right: none;
    border-top: none;
}

.drop-zone .corner-br {
    bottom: -2px;
    right: -2px;
    border-left: none;
    border-top: none;
}

.drop-zone:hover .corner-bl,
.drop-zone:hover .corner-br {
    width: 28px;
    height: 28px;
    opacity: 1;
}

.drop-zone-icon,
.drop-zone .upload-icon {
    color: var(--text-muted);
    margin-bottom: var(--space-4);
    transition: color 0.15s, transform 0.15s;
}

.drop-zone:hover .drop-zone-icon,
.drop-zone:hover .upload-icon {
    color: var(--accent);
    transform: translateY(-2px);
}

.drop-zone-text,
.drop-text {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--text);
    margin-bottom: var(--space-1);
}

.drop-zone-subtext,
.drop-subtext {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.drop-zone-trust {
    position: absolute;
    bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.drop-zone-trust svg {
    color: var(--green);
}

/* Preview Container */
.preview-container {
    background: var(--bg-card);
    border: 2px solid var(--border);
    padding: var(--space-6);
}

.preview-area {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-4);
    background:
        linear-gradient(45deg, var(--bg) 25%, transparent 25%),
        linear-gradient(-45deg, var(--bg) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--bg) 75%),
        linear-gradient(-45deg, transparent 75%, var(--bg) 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    background-color: var(--bg-subtle);
    min-height: 200px;
    margin-bottom: var(--space-6);
}

.preview-area img {
    max-width: 100%;
    max-height: 300px;
    display: block;
}

/* Controls */
.controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.control-label {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.control-hint {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-1);
}

/* Buttons */
.btn {
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid var(--border);
    transition: all 0.1s ease;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    box-shadow: 2px 2px 0 rgba(212, 90, 7, 0.25);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 3px 3px 0 rgba(212, 90, 7, 0.3);
}

.btn-primary:active {
    box-shadow: none;
}

.btn-primary:disabled {
    background: var(--text-muted);
    border-color: var(--text-muted);
    box-shadow: none;
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg);
    box-shadow: var(--shadow-md);
}

.btn-secondary:active {
    box-shadow: none;
}

.btn-secondary:disabled {
    background: var(--bg-subtle);
    color: var(--text-muted);
    border-color: var(--border-medium);
    box-shadow: none;
    cursor: not-allowed;
}

.btn-tertiary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    box-shadow: none;
}

.btn-tertiary:hover {
    background: var(--bg);
    border-color: var(--border-medium);
}

.btn-group {
    display: flex;
    gap: var(--space-3);
}

.btn-group[hidden] {
    display: none;
}

.btn-group .btn {
    flex: 1;
}

.btn.copied {
    background-color: var(--green);
    border-color: var(--green);
    color: white;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn.generating {
    opacity: 0.7;
    cursor: wait;
}

.btn.generating::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-left: 8px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
}

/* Focus visible for buttons and drop zone */
.btn:focus-visible,
.drop-zone:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Input */
.input {
    padding: var(--space-3) var(--space-4);
    background: var(--bg);
    border: 1px solid var(--border-medium);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    transition: border-color var(--transition-fast);
}

.input:focus {
    outline: none;
    border-color: var(--accent);
}

.input::placeholder {
    color: var(--text-muted);
}

/* Metadata Panel */
.metadata-section {
    border: 1px solid var(--border-medium);
    margin-bottom: var(--space-3);
}

.metadata-section.warning {
    border-color: var(--red-border);
}

.metadata-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--bg);
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    list-style: none;
}

.metadata-toggle::-webkit-details-marker {
    display: none;
}

.metadata-section.warning .metadata-toggle {
    background: var(--red-muted);
    color: var(--red);
}

.metadata-section[open] .metadata-toggle {
    border-bottom: 1px solid var(--border);
}

.metadata-content {
    padding: var(--space-4);
    background: var(--bg-card);
}

.metadata-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-2) var(--space-4);
}

.metadata-label {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
}

.metadata-value {
    font-size: var(--text-sm);
    color: var(--text);
    font-family: var(--font-mono);
    word-break: break-word;
}

/* Privacy Receipt */
.privacy-receipt {
    margin-top: var(--space-6);
    padding: var(--space-5);
    background: var(--green-muted);
    border: 1px dashed var(--green-border);
}

.receipt-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--green-border);
}

.receipt-header svg {
    color: var(--green);
}

.receipt-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--green);
}

.receipt-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.receipt-row {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-sm);
}

.receipt-label {
    color: var(--text-secondary);
}

.receipt-value {
    font-family: var(--font-mono);
    color: var(--text);
}

.receipt-highlight {
    color: var(--green);
    font-weight: 600;
}

/* Processing Log */
.processing-log {
    margin-top: var(--space-6);
    padding: var(--space-5);
    background: var(--green-muted);
    border: 1px solid var(--green-border);
}

/* Processing Log - tighter spacing when inside .tool-controls */
.tool-controls .processing-log {
    margin-top: var(--space-4);
}

.processing-log[hidden] {
    display: none;
}

.log-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--green-border);
}

.log-header svg {
    color: var(--green);
}

.log-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--green);
}

.log-summary {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.log-row {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-sm);
}

.log-label {
    color: var(--text-secondary);
}

.log-value {
    font-family: var(--font-mono);
    color: var(--text);
    text-align: right;
    word-break: break-word;
    max-width: 60%;
}

.log-verification {
    margin-bottom: var(--space-4);
}

.log-verification summary {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-2) 0;
}

.log-verification summary:hover {
    color: var(--text);
}

.log-verification[open] summary {
    margin-bottom: var(--space-3);
}

.log-verification-content {
    padding: var(--space-3);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
}

.log-verification-hint {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-3);
    line-height: 1.4;
}

.log-fingerprint-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
}

.log-fingerprint-row:last-child {
    margin-bottom: 0;
}

.log-fingerprint-label {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.log-fingerprint-value {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    word-break: break-all;
    line-height: 1.4;
    background: none;
    padding: 0;
}

.log-actions {
    padding-top: var(--space-3);
    border-top: 1px solid var(--green-border);
}

.log-actions .btn {
    width: 100%;
}

/* Toast */
.toast {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--bg-card);
    border: 2px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
    z-index: 1000;
}

.toast.visible {
    transform: translateX(0);
    opacity: 1;
}

.toast.success {
    border-color: var(--green);
}

.toast.success .toast-icon {
    color: var(--green);
}

.toast.error {
    border-color: var(--red);
}

.toast.error .toast-icon {
    color: var(--red);
}

.toast-message {
    font-size: var(--text-sm);
    color: var(--text);
    font-weight: 500;
}

/* Error Message */
.error-message {
    padding: var(--space-3) var(--space-4);
    background: var(--red-muted);
    border: 1px solid var(--red-border);
    color: var(--red);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}

/* Tool Footer */
.tool-footer {
    text-align: center;
    padding: var(--space-6);
    border-top: 1px solid var(--border-light);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

/* Mobile Nav */
@media (max-width: 768px) {
    .tool-nav {
        padding: var(--space-3) var(--space-4);
        min-height: 56px;
    }

    .tool-header {
        padding: var(--space-6) var(--space-4) var(--space-4);
    }

    .tool-title {
        font-size: var(--text-2xl);
    }

    .tool-main {
        padding: 0 var(--space-4) var(--space-6);
    }

    .drop-zone {
        padding: var(--space-8) var(--space-4);
    }

    .btn-group {
        flex-direction: column;
    }
}

/* ============================================
   SVG INFO DETAILS SECTION
   ============================================ */

.svg-info {
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.svg-info-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--bg-subtle);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    list-style: none;
}

.svg-info-toggle::-webkit-details-marker {
    display: none;
}

.svg-info-toggle:hover {
    color: var(--text);
}

.svg-info[open] .svg-info-toggle {
    border-bottom: 1px solid var(--border);
}

.svg-info[open] .chevron-icon {
    transform: rotate(180deg);
}

.chevron-icon {
    transition: transform 0.2s;
}

.svg-info-content {
    padding: 1rem;
    background-color: var(--bg-card);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.info-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-value {
    font-size: 0.875rem;
    color: var(--text);
    font-family: var(--font-mono);
}

/* ============================================
   DIMENSION INPUTS
   ============================================ */

.dimension-inputs {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 0.75rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.input-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-group input {
    width: 100px;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background-color: var(--bg-subtle);
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
    text-align: center;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.input-group input:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-color: var(--accent);
}

.input-unit {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.aspect-lock-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-muted);
    transition: border-color 0.2s, color 0.2s;
    margin-bottom: 0;
    align-self: flex-end;
    margin-bottom: 0.25rem;
}

.aspect-lock-btn:hover {
    border-color: var(--border-strong);
    color: var(--text-secondary);
}

.aspect-lock-btn[aria-pressed="true"] {
    border-color: var(--accent);
    color: var(--accent);
}

.aspect-lock-btn .lock-icon.unlocked {
    display: none;
}

.aspect-lock-btn .lock-icon.locked {
    display: block;
}

.aspect-lock-btn[aria-pressed="false"] .lock-icon.unlocked {
    display: block;
}

.aspect-lock-btn[aria-pressed="false"] .lock-icon.locked {
    display: none;
}

/* ============================================
   SCALE SECTION
   ============================================ */

.scale-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.scale-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.scale-buttons {
    display: flex;
    gap: 0.5rem;
}

.scale-btn {
    min-width: 48px;
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-subtle);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.scale-btn:hover {
    background-color: var(--border);
    color: var(--text);
}

.scale-btn.active {
    background-color: var(--accent);
    color: white;
    border-color: var(--accent);
}

.output-size {
    margin-top: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.output-estimate {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ============================================
   SIZE COMPARISON
   ============================================ */

.size-comparison {
    background-color: var(--bg-subtle);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.size-row {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.size-row.original {
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
    margin-bottom: 0.25rem;
}

.size-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    width: 55px;
    flex-shrink: 0;
}

.size-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    font-family: var(--font-mono);
}

.size-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: auto;
}

.size-reduction {
    font-size: 0.8rem;
    font-weight: 600;
}

.size-reduction.smaller {
    color: var(--green);
}

.size-reduction.larger {
    color: var(--red);
}

.size-reduction.same {
    color: var(--text-muted);
}

/* ============================================
   FORMAT SECTION
   ============================================ */

.format-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

.format-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.format-buttons {
    display: flex;
    gap: 0.5rem;
}

.format-btn {
    min-width: 64px;
    padding: 0.5rem 1rem;
    background-color: var(--bg-subtle);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.format-btn:hover {
    background-color: var(--border);
    color: var(--text);
}

.format-btn.active {
    background-color: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* ============================================
   QUALITY CONTROL
   ============================================ */

.quality-control {
    margin-top: 0.75rem;
    width: 100%;
    max-width: 200px;
    text-align: center;
}

.quality-control label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

#quality-value {
    color: var(--text);
    font-weight: 500;
}

.quality-control input[type="range"] {
    width: 100%;
    height: 4px;
    background: var(--border-medium);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
}

.quality-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
}

.quality-control input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* ============================================
   PRESETS SECTION
   ============================================ */

.presets-section {
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.presets-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--bg-subtle);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    list-style: none;
}

.presets-toggle::-webkit-details-marker {
    display: none;
}

.presets-toggle:hover {
    color: var(--text);
}

.presets-section[open] .presets-toggle {
    border-bottom: 1px solid var(--border);
}

.presets-section[open] .chevron-icon {
    transform: rotate(180deg);
}

.presets-content {
    padding: 1rem;
    background-color: var(--bg-card);
}

.presets-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.preset-category {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.preset-category-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.preset-btn {
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-subtle);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
    white-space: nowrap;
}

.preset-btn:hover {
    background-color: var(--border);
    color: var(--text);
}

.preset-btn.active {
    background-color: var(--accent);
    color: white;
    border-color: var(--accent);
}

.preset-btn .preset-size {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-left: 0.375rem;
}

.preset-btn:hover .preset-size,
.preset-btn.active .preset-size {
    color: inherit;
    opacity: 0.7;
}

/* ============================================
   BUTTON GROUP
   ============================================ */

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* ============================================
   PWA GENERATOR FORM
   ============================================ */

.pwa-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input[type="text"] {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: var(--text);
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input[type="text"]::placeholder {
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.color-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 1rem;
}

.color-input-wrapper input[type="color"] {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    padding: 0;
    background: none;
}

.color-input-wrapper input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-input-wrapper input[type="color"]::-webkit-color-swatch {
    border: 1px solid var(--border);
    border-radius: 4px;
}

.color-hex {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Icon Preview Grid */
.icon-preview-section {
    margin-bottom: 1.5rem;
}

.icon-preview-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.icon-preview-grid {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-subtle);
    border-radius: 8px;
}

.icon-preview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.icon-preview-item img {
    background: repeating-conic-gradient(var(--border) 0% 25%, var(--bg) 0% 50%) 50% / 8px 8px;
    border-radius: 4px;
}

.icon-preview-item span {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Package Contents */
.package-contents {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.package-contents h3 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.package-contents ul {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.package-contents li {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.package-contents li::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 50%;
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* Form validation */
.form-group.error input {
    border-color: var(--red);
}

.form-error {
    font-size: 0.75rem;
    color: var(--red);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================
   MODE TOGGLE (SEGMENTED CONTROL)
   ============================================ */

.mode-toggle {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
    background-color: var(--bg-card);
    border-radius: 8px;
    padding: 4px;
    gap: 4px;
}

.mode-btn {
    flex: 1;
    max-width: 120px;
    padding: 0.625rem 1.25rem;
    background-color: transparent;
    color: var(--text-secondary);
    border: none;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.mode-btn:hover {
    color: var(--text);
}

.mode-btn.active {
    background-color: var(--accent);
    color: white;
}

/* ============================================
   SIZE BADGE
   ============================================ */

.size-badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: auto;
}

.size-badge.good {
    background-color: var(--green-muted);
    color: var(--green);
}

.size-badge.warning {
    background-color: var(--accent-muted);
    color: var(--accent);
}

.size-badge.bad {
    background-color: var(--red-muted);
    color: var(--red);
}

/* ============================================
   CODE PREVIEW
   ============================================ */

.code-preview-container {
    margin-bottom: 1rem;
}

.code-preview {
    width: 100%;
    min-height: 120px;
    max-height: 200px;
    padding: 1rem;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.5;
    resize: vertical;
    overflow: auto;
    word-break: break-all;
}

.code-preview:focus {
    outline: none;
    border-color: var(--accent);
}

/* ============================================
   ENCODE FILE INFO
   ============================================ */

.encode-file-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-subtle);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.encode-thumbnail {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 4px;
    background: repeating-conic-gradient(var(--border) 0% 25%, var(--bg) 0% 50%) 50% / 8px 8px;
}

.encode-file-details {
    flex: 1;
    min-width: 0;
}

.encode-filename {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.encode-dimensions {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ============================================
   DECODE INPUT
   ============================================ */

.decode-input-container {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
}

.decode-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.decode-input {
    width: 100%;
    min-height: 150px;
    padding: 1rem;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.5;
    resize: vertical;
    margin-bottom: 1rem;
}

.decode-input::placeholder {
    color: var(--text-muted);
}

.decode-input:focus {
    outline: none;
    border-color: var(--accent);
}

.decode-process-btn {
    width: 100%;
}

/* ============================================
   SCREENSHOT BEAUTIFIER STYLES
   ============================================ */

.beautifier-controls {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.control-group-horizontal {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.control-group-horizontal > .form-group {
    flex: 1;
    min-width: 100px;
}

.background-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.bg-preset-btn {
    width: 32px;
    height: 32px;
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.1s;
}

.bg-preset-btn:hover {
    transform: scale(1.1);
}

.bg-preset-btn.active {
    border-color: var(--accent);
}

.beautifier-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background-color: var(--bg-subtle);
    border: 1px dashed var(--border-medium);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    min-height: 300px;
}

.beautifier-preview canvas {
    max-width: 100%;
    height: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ============================================
   OG IMAGE GENERATOR STYLES
   ============================================ */

.og-preview-container {
    background-color: var(--bg-subtle);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.og-preview-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 52.5%; /* 1200/630 aspect ratio */
    overflow: hidden;
    border-radius: 8px;
}

.og-preview-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.og-controls {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}

.og-template-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.og-template-btn {
    padding: 0.5rem;
    border: 2px solid var(--border);
    border-radius: 6px;
    background: none;
    cursor: pointer;
    transition: border-color 0.2s;
    overflow: hidden;
}

.og-template-btn:hover {
    border-color: var(--border-strong);
}

.og-template-btn.active {
    border-color: var(--accent);
}

.og-template-preview {
    width: 100%;
    height: 32px;
    border-radius: 4px;
}

.og-text-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--bg-subtle);
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
    margin-bottom: 1rem;
    resize: none;
}

.og-text-input:focus {
    outline: none;
    border-color: var(--accent);
}

.og-text-input::placeholder {
    color: var(--text-muted);
}

.logo-drop-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    pointer-events: none;
}

.logo-drop-content svg {
    opacity: 0.5;
}

.logo-preview-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.logo-preview-container[hidden] {
    display: none !important;
}

.logo-drop-content[hidden] {
    display: none !important;
}

.logo-preview-img {
    max-width: 100px;
    max-height: 80px;
    object-fit: contain;
    border-radius: 4px;
    background: repeating-conic-gradient(var(--border) 0% 25%, var(--bg) 0% 50%) 50% / 8px 8px;
}

.remove-logo-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
    margin-left: auto;
}

.remove-logo-btn:hover {
    background-color: var(--red-muted);
    border-color: var(--red);
    color: var(--red);
}

/* OG Tool Responsive */
@media (max-width: 768px) {
    .og-template-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    #logo-position-toggle .toggle-btn {
        min-width: 36px;
        padding: 0.4rem;
    }
}

@media (max-width: 480px) {
    .og-template-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .og-preview-container {
        padding: 1rem;
    }

    .og-controls {
        padding: 1rem;
    }

    .og-text-input {
        font-size: 0.9rem;
    }
}

/* ============================================
   FAVICON FROM TEXT STYLES
   ============================================ */

.favicon-input-section {
    margin-bottom: 1.5rem;
}

.favicon-text-input {
    font-size: 1.5rem;
    text-align: center;
    font-weight: 600;
}

.favicon-preview-main {
    background-color: var(--bg-subtle);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.favicon-preview-main canvas {
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    background: repeating-conic-gradient(var(--border) 0% 25%, var(--bg) 0% 50%) 50% / 16px 16px;
}

.favicon-size-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.favicon-size-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.favicon-size-item:hover {
    border-color: var(--accent);
    background-color: var(--border);
}

.favicon-size-canvas {
    border-radius: 4px;
    background: repeating-conic-gradient(var(--border) 0% 25%, var(--bg) 0% 50%) 50% / 8px 8px;
}

.favicon-size-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.favicon-color-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.75rem;
}

.transparent-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.transparent-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

/* ============================================
   METADATA STRIPPER STYLES
   ============================================ */

/* Analyzing State */
.analyzing-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    background-color: var(--bg-card);
    border-radius: 12px;
    margin-bottom: 1rem;
}

.analyzing-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-subtle);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

.analyzing-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Hidden attribute overrides for flex/grid containers */
.analyzing-state[hidden] {
    display: none !important;
}

.preview-container[hidden] {
    display: none !important;
}

/* Metadata Panel */
.metadata-panel {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

/* Collapsible Sections */
.metadata-section-collapsible {
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.metadata-section-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--bg-subtle);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    list-style: none;
}

.metadata-section-toggle::-webkit-details-marker {
    display: none;
}

.metadata-section-collapsible[open] .metadata-section-toggle {
    border-bottom: 1px solid var(--border);
}

.metadata-section-collapsible[open] .chevron-icon {
    transform: rotate(180deg);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.field-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 0.125rem 0.5rem;
    background-color: var(--bg-card);
    border-radius: 10px;
}

.metadata-section-content {
    padding: 1rem;
    background-color: var(--bg-card);
}

/* Metadata Grid (in stripper) */
.metadata-grid-stripper {
    display: grid;
    grid-template-columns: minmax(100px, auto) 1fr;
    gap: 0.5rem 1rem;
}

.metadata-label-stripper {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.metadata-value-stripper {
    font-size: 0.875rem;
    color: var(--text);
    font-family: var(--font-mono);
    word-break: break-word;
}

/* GPS Warning Section */
.metadata-section-warning {
    border-color: var(--red-border);
}

.metadata-section-warning .metadata-section-toggle {
    background-color: var(--red-muted);
}

.metadata-section-warning .section-header {
    color: var(--red);
}

.warning-banner {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.75rem;
    background-color: var(--red-muted);
    border: 1px solid var(--red-border);
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.8rem;
    color: var(--red);
    line-height: 1.4;
}

.warning-banner svg {
    flex-shrink: 0;
    margin-top: 0.1rem;
}

/* No Metadata State */
.no-metadata-message {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--green);
}

.no-metadata-icon {
    margin-bottom: 0.75rem;
    color: var(--green);
}

.no-metadata-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.no-metadata-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Comparison Box */
.strip-comparison {
    background-color: var(--bg-subtle);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.comparison-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.5rem 0;
}

.comparison-row:not(:last-child) {
    border-bottom: 1px solid var(--border);
}

.comparison-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.comparison-value {
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.comparison-value.removed {
    color: var(--red);
}

.comparison-value.success {
    color: var(--green);
}

.quality-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

/* Preview Container */
.metadata-preview-container {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.metadata-preview-image {
    max-width: 100%;
    max-height: 300px;
    display: block;
    border-radius: 8px;
}

/* Responsive */
@media (max-width: 480px) {
    .metadata-grid-stripper {
        grid-template-columns: 1fr;
    }

    .metadata-label-stripper {
        margin-top: 0.5rem;
    }

    .metadata-label-stripper:first-child {
        margin-top: 0;
    }
}

/* ============================================
   TOOL CHAINING STYLES
   ============================================ */

.chain-section {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.chain-section[hidden] {
    display: none;
}

.chain-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.chain-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-right: 0.25rem;
}

.chain-link {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.chain-link:hover {
    color: var(--text);
    background-color: var(--bg-subtle);
}

.chain-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.chain-separator {
    color: var(--text-muted);
    font-size: 0.75rem;
    user-select: none;
}

/* Chain toast notification for incoming files */
.chain-toast {
    background-color: var(--accent-subtle);
    border-color: var(--accent);
}

.chain-toast .toast-icon {
    color: var(--accent);
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .chain-row {
        justify-content: center;
    }

    .chain-label {
        width: 100%;
        text-align: center;
        margin-bottom: 0.25rem;
        margin-right: 0;
    }
}

/* Hide monitor text on very small screens to prevent nav crowding */
@media (max-width: 400px) {
    .network-monitor .monitor-text {
        display: none;
    }
}