/**
 * Chrome/Edge AI Translation Setup Framework Stylesheet
 * Contains clean, isolated, modern CSS styles for the setup UI.
 * Prefix: .cais-
 */
:root {
    --cais-primary: #30b230;
    --cais-primary-hover: #239d23;
    --cais-primary-light: #efffef;
    --cais-bg: #f8f9fa;
    --cais-border: #e2e4e7;
    --cais-text: #1e1e1e;
    --cais-text-light: #6b7280;
    --cais-warn: #b45309;
    --cais-warn-light: #fff8ec;
    --cais-ok: #15803d;
    --cais-ok-light: #ecfdf3;
    --cais-danger: #dc2626;
    --cais-danger-light: #fef2f2;
    --cais-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

/* Header */
.cais-section-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
}

.cais-section-icon {
    font-size: 24px;
    line-height: 1;
    margin-top: 2px;
}

.cais-section-titles {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cais-section-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
}

.cais-section-description {
    font-size: 13.5px;
    color: var(--cais-text-light);
    line-height: 1.5;
    margin: 0;
}

/* Setup Box */
.cais-setup-box {
    background: var(--cais-bg);
    border: 1px solid var(--cais-border);
    border-radius: 8px;
    padding: 18px 20px;
    margin-bottom: 16px;
}

.cais-status-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.cais-status-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1;
}

.cais-title-row {
    display: flex;
    align-items: center;
    gap: 7px;
}

.cais-status-copy strong {
    font-size: 14.5px;
    font-weight: 600;
}

.cais-muted {
    color: var(--cais-text-light);
    font-size: 13px;
}

.cais-language-pack-notice {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin: 0 0 12px;
    padding: 10px 12px;
    border-left: 3px solid var(--cais-warn);
    background: var(--cais-warn-light);
    color: var(--cais-warn);
    font-size: 13px;
    line-height: 1.5;
}

.cais-language-pack-notice strong {
    color: var(--cais-text);
    font-size: 13px;
}

.cais-language-pack-notice span {
    color: var(--cais-text-light);
}

/* Status Dot with Animation */
.cais-status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.cais-status-dot.checking {
    background: #cbd5e1;
    animation: cais-pulse 1.2s ease-in-out infinite;
}

.cais-status-dot.ready,
.cais-status-dot.available {
    background: var(--cais-ok);
}

.cais-status-dot.action,
.cais-status-dot.downloadable {
    background: var(--cais-warn);
}

.cais-status-dot.error,
.cais-status-dot.secure-error {
    background: var(--cais-danger);
}

@keyframes cais-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

/* Buttons */
.cais-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.15s ease;
    border: 1px solid var(--cais-border);
    background: #fff;
    color: var(--cais-text);
    cursor: pointer;
    white-space: nowrap;
}

.cais-btn:hover {
    background: var(--cais-primary-light);
    color: var(--cais-primary);
    border-color: var(--cais-primary);
}

.cais-btn.cais-btn-primary {
    background: var(--cais-primary);
    color: #fff;
    border-color: var(--cais-primary-hover);
    font-weight: 600;
}

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

.cais-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

/* Download progress */
.cais-dl-wrap {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px dashed var(--cais-border);
}

.cais-dl-bar {
    height: 8px;
    background: #e5e7eb;
    border-radius: 6px;
    overflow: hidden;
}

.cais-dl-bar span {
    display: block;
    height: 100%;
    width: 0;
    background: var(--cais-primary);
    transition: width 0.3s ease;
}

#cais-dl-pct {
    display: block;
    font-size: 12px;
    margin-top: 6px;
    color: var(--cais-text-light);
}

/* Preview Section */
.cais-preview-section {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--cais-border);
}

.cais-preview-header {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-bottom: 14px;
}

.cais-preview-header strong {
    font-size: 15px;
    font-weight: 600;
}

.cais-lang-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.cais-lang-select {
    padding: 6px 12px;
    border: 1px solid var(--cais-border);
    border-radius: 6px;
    font-size: 13px;
    background: #fff;
    outline: none;
    cursor: pointer;
}

.cais-lang-select:focus {
    border-color: var(--cais-primary);
}

.cais-lang-fixed {
    font-size: 13.5px;
    font-weight: 600;
    padding: 6px 10px;
}

.cais-lang-arrow {
    color: var(--cais-text-light);
    font-weight: bold;
}

.cais-pair-state {
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
}

.cais-pair-state.cais-state-ok {
    background: var(--cais-ok-light);
    color: var(--cais-ok);
}

.cais-pair-state.cais-state-dl {
    background: var(--cais-warn-light);
    color: var(--cais-warn);
    transition: background 0.15s ease;
}

.cais-pair-state.cais-state-dl:hover {
    background: #fde68a; /* Slightly darker/more saturated yellow for hover */
}

.cais-pair-state.cais-state-error {
    background: var(--cais-danger-light);
    color: var(--cais-danger);
}

.cais-preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 14px;
}

.cais-preview-col {
    display: flex;
    flex-direction: column;
}

.cais-preview-col label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--cais-text-light);
    margin-bottom: 6px;
}

.cais-preview-col textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--cais-border);
    border-radius: 8px;
    font-size: 13.5px;
    line-height: 1.55;
    resize: vertical;
    font-family: inherit;
    box-sizing: border-box;
}

.cais-preview-col textarea:focus {
    outline: none;
    border-color: var(--cais-primary);
}

.cais-preview-out {
    min-height: 84px;
    padding: 10px 12px;
    border: 1px solid var(--cais-border);
    border-radius: 8px;
    font-size: 13.5px;
    line-height: 1.55;
    background: var(--cais-bg);
    white-space: pre-wrap;
    word-break: break-word;
    box-sizing: border-box;
}

.cais-preview-out.cais-out-ok {
    border-color: #bbe6c2;
    background: var(--cais-ok-light);
}

.cais-preview-out.cais-out-error {
    border-color: #f3c4c4;
    background: var(--cais-danger-light);
    color: var(--cais-danger);
}

.cais-count {
    font-size: 11px;
    margin-top: 5px;
    text-align: right;
}

.cais-preview-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.cais-preview-note {
    font-size: 12.5px;
}

/* Fallback Accordion */
.cais-fallback-accordion {
    border: 1px solid var(--cais-border);
    border-radius: 8px;
    background: #fff;
    margin-top: 14px;
}

.cais-fallback-accordion summary {
    cursor: pointer;
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--cais-text-light);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    outline: none;
}

.cais-fallback-accordion summary::-webkit-details-marker {
    display: none;
}

.cais-fallback-accordion summary:before {
    content: "▸";
    transition: transform 0.15s;
    display: inline-block;
}

.cais-fallback-accordion[open] summary:before {
    transform: rotate(90deg);
}

.cais-fallback-accordion summary:hover {
    color: var(--cais-primary);
}

.cais-fallback-body {
    padding: 0 16px 16px;
    font-size: 13px;
    color: var(--cais-text-light);
    line-height: 1.65;
}

.cais-fallback-body ol {
    margin: 10px 0;
    padding-left: 20px;
}

.cais-fallback-body li {
    margin: 8px 0;
}

.cais-fallback-body code {
    background: #f0f0f1;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
}

.cais-fallback-body b {
    color: var(--cais-text);
}

.cais-guide-link {
    margin-top: 10px;
    text-align: center;
}

/* Copyable Span link styles */
.cais-copyable-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
    cursor: pointer;
    color: #0f172a;
    transition: background 0.15s;
}

.cais-copyable-link:hover {
    background: #e2e8f0;
}

.cais-copy-icon {
    width: 13px;
    height: 13px;
    stroke-width: 2.5;
    color: #64748b;
}

/* Tooltip for Copy confirmation */
.cais-tooltip {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translate(-50%, 4px);
    background: #0f172a;
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.15s ease;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

.cais-tooltip.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.cais-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 4px;
    border-style: solid;
    border-color: #0f172a transparent transparent transparent;
}



@media (max-width: 560px) {
    .cais-preview-grid {
        grid-template-columns: 1fr;
    }
}