/* tools/text_compare/css/style.css */

:root {
    /* Local RBG variables for rgba() usage */
    --color-success-rgb: 34, 197, 94;
    --color-error-rgb: 239, 68, 68;
    --color-warning-rgb: 245, 158, 11;
}

/* iframe対応: Light Mode時の白背景強制 */
body.theme-light.in-iframe {
    background-color: var(--color-white) !important;
}

/* Tool Container Customization */
.tool-container-wide {
    max-width: 1200px;
}

/* ================================================
   Stats Grid
   ================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
}

.stat-added::before {
    background: var(--color-success);
}

.stat-removed::before {
    background: var(--color-error);
}

.stat-changed::before {
    background: var(--color-warning);
}

.stat-unchanged::before {
    background: var(--color-accent-secondary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-family: 'Consolas', monospace;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.stat-added .stat-value {
    color: var(--color-success);
}

.stat-removed .stat-value {
    color: var(--color-error);
}

.stat-changed .stat-value {
    color: var(--color-warning);
}

.stat-unchanged .stat-value {
    color: var(--color-accent-secondary);
}

/* ================================================
   Input Section
   ================================================ */
.input-section {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: stretch;
}

@media (max-width: 768px) {
    .input-section {
        grid-template-columns: 1fr;
    }
}

.input-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--card-border);
}

.panel-header h3 {
    margin: 0;
    color: var(--color-accent-primary);
    font-size: 1rem;
}

.compare-textarea {
    flex: 1;
    width: 100%;
    min-height: 250px;
    font-size: 0.95rem;
    line-height: 1.6;
    padding: var(--spacing-md);
    background: rgba(var(--color-black-rgb), 0.3);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    resize: vertical;
    transition: all var(--transition-fast);
    font-family: 'Consolas', 'Monaco', monospace;
}

.compare-textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 2px rgba(var(--color-accent-primary-rgb), 0.2);
}

/* Swap Container */
.swap-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .swap-container {
        order: -1;
        justify-content: center;
        padding: var(--spacing-sm) 0;
    }
}

.btn-swap {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--card-bg);
    border: 2px solid var(--color-accent-secondary);
    color: var(--color-accent-secondary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-swap:hover {
    background: var(--color-accent-secondary);
    color: var(--color-black);
    transform: rotate(180deg);
}

@media (max-width: 768px) {
    .btn-swap {
        transform: rotate(90deg);
    }

    .btn-swap:hover {
        transform: rotate(270deg);
    }
}

/* ================================================
   Action Section
   ================================================ */
.action-section {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

/* ================================================
   Options Panel
   ================================================ */
.options-panel {
    margin-bottom: var(--spacing-lg);
}

.options-header {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .options-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .options-grid {
        grid-template-columns: 1fr;
    }
}

/* Cyber Checkbox */
.cyber-checkbox {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 30px;
    cursor: pointer;
    font-size: 0.9rem;
    user-select: none;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.cyber-checkbox:hover {
    color: var(--color-accent-primary);
}

.cyber-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 20px;
    width: 20px;
    background-color: rgba(var(--color-black-rgb), 0.3);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.cyber-checkbox:hover input~.checkmark {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 5px rgba(var(--color-accent-primary-rgb), 0.3);
}

.cyber-checkbox input:checked~.checkmark {
    background-color: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 10px rgba(var(--color-accent-primary-rgb), 0.5);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.cyber-checkbox input:checked~.checkmark:after {
    display: block;
}

.cyber-checkbox .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid var(--color-black);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* ================================================
   Result Section
   ================================================ */
.result-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--card-border);
}

.result-header h3 {
    margin: 0;
    color: var(--color-accent-primary);
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.diff-position {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-left: var(--spacing-sm);
}

/* ================================================
   Diff Container
   ================================================ */
.diff-container {
    max-height: 600px;
    overflow: auto;
}

.diff-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    table-layout: fixed;
}

.diff-table td {
    padding: 2px 8px;
    vertical-align: top;
    border-bottom: 1px solid rgba(var(--color-white-rgb), 0.05);
}

/* Line Numbers */
.line-num {
    width: 50px;
    min-width: 50px;
    text-align: right;
    color: var(--color-text-muted);
    background: rgba(var(--color-black-rgb), 0.2);
    user-select: none;
    padding-right: 8px;
    border-right: 1px solid var(--card-border);
}

/* Line Content */
.line-content {
    white-space: pre-wrap;
    word-break: break-all;
    padding-left: 12px;
}

/* Side indicator */
.line-side {
    width: 24px;
    min-width: 24px;
    text-align: center;
    font-weight: bold;
    border-right: 1px solid var(--card-border);
}

/* Diff Highlighting */
.diff-row-added,
.diff-row-added td {
    background-color: rgba(var(--color-success-rgb), 0.15);
}

.diff-row-added .line-side {
    color: var(--color-success);
    background-color: rgba(var(--color-success-rgb), 0.25);
}

.diff-row-removed,
.diff-row-removed td {
    background-color: rgba(var(--color-error-rgb), 0.15);
}

.diff-row-removed .line-side {
    color: var(--color-error);
    background-color: rgba(var(--color-error-rgb), 0.25);
}

.diff-row-changed,
.diff-row-changed td {
    background-color: rgba(var(--color-warning-rgb), 0.1);
}

.diff-row-changed .line-side {
    color: var(--color-warning);
    background-color: rgba(var(--color-warning-rgb), 0.2);
}

/* Inline Diff */
.inline-added {
    background: rgba(var(--color-success-rgb), 0.4);
    color: var(--color-success);
    border-radius: 2px;
    padding: 0 2px;
}

.inline-removed {
    background: rgba(var(--color-error-rgb), 0.4);
    color: var(--color-error);
    text-decoration: line-through;
    border-radius: 2px;
    padding: 0 2px;
}

/* Separator Row */
.diff-separator {
    height: 4px;
    background: var(--card-border);
}

.diff-separator td {
    padding: 0;
    border: none;
}

/* No Diff Message */
.no-diff-message {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-muted);
}

.no-diff-message .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

/* ================================================
   Light Mode Overrides
   ================================================ */
body.theme-light .compare-textarea {
    background: var(--color-white);
    border-color: var(--card-border);
}

body.theme-light .diff-row-added,
body.theme-light .diff-row-added td {
    background-color: rgba(var(--color-success-rgb), 0.12);
}

body.theme-light .diff-row-removed,
body.theme-light .diff-row-removed td {
    background-color: rgba(var(--color-error-rgb), 0.12);
}

body.theme-light .diff-row-changed,
body.theme-light .diff-row-changed td {
    background-color: rgba(var(--color-warning-rgb), 0.08);
}

body.theme-light .inline-added {
    background: rgba(var(--color-success-rgb), 0.3);
    color: var(--color-success);
}

body.theme-light .inline-removed {
    background: rgba(var(--color-error-rgb), 0.3);
    color: var(--color-error);
}

body.theme-light .line-num {
    background: rgba(var(--color-black-rgb), 0.03);
}

body.theme-light .checkmark {
    background-color: var(--color-white);
}

/* ================================================
   Responsive Adjustments
   ================================================ */
@media (max-width: 600px) {
    .stat-value {
        font-size: 1.5rem;
    }

    .compare-textarea {
        min-height: 150px;
    }

    .diff-table {
        font-size: 0.75rem;
    }

    .line-num {
        width: 35px;
        min-width: 35px;
    }
}