/**
 * WebOS — Estilos compartidos de aplicaciones
 * 
 * Estilos reutilizables entre todas las apps: botones, inputs, tablas, paneles, etc.
 */

/* ===== Panel Layout (dos columnas) ===== */
.split-panel {
    display: flex;
    height: 100%;
}

.split-panel-left {
    width: 220px;
    min-width: 160px;
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    background: var(--color-glass);
}

.split-panel-right {
    flex: 1;
    overflow-y: auto;
}

/* ===== List Items ===== */
.list-item {
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: var(--font-size-sm);
}

.list-item:hover {
    background: var(--color-glass-hover);
}

.list-item.active {
    background: var(--color-primary);
    color: #fff;
}

.list-item .item-title {
    font-weight: 500;
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.list-item .item-meta {
    font-size: var(--font-size-xs);
    opacity: 0.6;
}

/* ===== Editor ===== */
.editor-area {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 16px;
    gap: 12px;
}

.editor-title-input {
    padding: 8px 12px;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    font-size: var(--font-size-md);
    font-weight: 600;
    font-family: var(--font-family);
    outline: none;
    transition: border-color var(--transition-fast);
}

.editor-title-input:focus {
    border-color: var(--color-primary);
}

.editor-content-textarea {
    flex: 1;
    padding: 12px;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    line-height: 1.6;
    resize: none;
    outline: none;
    transition: border-color var(--transition-fast);
}

.editor-content-textarea:focus {
    border-color: var(--color-primary);
}

/* ===== Toolbar ===== */
.toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-glass);
}

.toolbar-btn {
    padding: 6px 10px;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.toolbar-btn:hover {
    background: var(--color-glass-hover);
}

/* ===== Tables ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.data-table th,
.data-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tr:hover td {
    background: var(--color-glass-hover);
}

/* ===== File Explorer Grid ===== */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 8px;
    padding: 16px;
}

.file-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.file-grid-item:hover {
    background: var(--color-glass-hover);
}

.file-grid-item.selected {
    background: var(--color-primary);
    color: #fff;
}

.file-grid-item .file-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-grid-item .file-icon svg {
    width: 100%;
    height: 100%;
}

.file-grid-item .file-name {
    font-size: var(--font-size-xs);
    text-align: center;
    word-break: break-word;
    max-width: 80px;
    line-height: 1.2;
}

/* File List View */
.file-list {
    padding: 8px;
}

.file-list-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: background var(--transition-fast);
    font-size: var(--font-size-sm);
}

.file-list-item:hover {
    background: var(--color-glass-hover);
}

.file-list-item.selected {
    background: var(--color-primary);
    color: #fff;
}

.file-list-item .file-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-list-item .file-icon svg {
    width: 100%;
    height: 100%;
}

.file-list-item .file-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== Settings Sections ===== */
.settings-container {
    display: flex;
    height: 100%;
}

.settings-sidebar {
    width: 180px;
    border-right: 1px solid var(--color-border);
    padding: 12px 8px;
    overflow-y: auto;
    background: var(--color-glass);
}

.settings-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: background var(--transition-fast);
    color: var(--color-text);
}

.settings-nav-item:hover {
    background: var(--color-glass-hover);
}

.settings-nav-item.active {
    background: var(--color-primary);
    color: #fff;
}

.settings-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.settings-section {
    display: none;
}

.settings-section.active {
    display: block;
}

.settings-section h3 {
    font-size: var(--font-size-lg);
    margin-bottom: 20px;
    font-weight: 600;
}

.settings-group {
    margin-bottom: 24px;
}

.settings-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-text-secondary);
}

.settings-group select,
.settings-group input[type="text"] {
    width: 100%;
    max-width: 300px;
    padding: 10px 14px;
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    outline: none;
    transition: border-color var(--transition-fast);
}

.settings-group select:focus,
.settings-group input[type="text"]:focus {
    border-color: var(--color-primary);
}

.settings-group select {
    cursor: pointer;
}

/* Wallpaper Preview */
.wallpaper-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.wallpaper-option {
    width: 80px;
    height: 54px;
    border-radius: 8px;
    cursor: pointer;
    border: 3px solid transparent;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.wallpaper-option:hover {
    transform: scale(1.05);
}

.wallpaper-option.active {
    border-color: var(--color-primary);
}

/* ===== Calculator ===== */
.calculator {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 16px;
    gap: 12px;
}

.calc-display {
    background: var(--color-glass);
    border-radius: 10px;
    padding: 16px;
    text-align: right;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.calc-expression {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 4px;
    min-height: 1.2em;
}

.calc-result {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calc-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    flex: 1;
}

.calc-btn {
    border: none;
    border-radius: 10px;
    font-size: var(--font-size-md);
    font-weight: 500;
    font-family: var(--font-family);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
    color: var(--color-text);
    background: var(--color-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
}

.calc-btn:hover {
    background: var(--color-glass-hover);
}

.calc-btn:active {
    transform: scale(0.95);
}

.calc-btn.operator {
    background: var(--color-primary);
    color: #fff;
}

.calc-btn.operator:hover {
    background: var(--color-primary-hover);
}

.calc-btn.function {
    background: var(--color-glass-hover);
    color: var(--color-text-secondary);
}

.calc-btn.equals {
    background: var(--color-primary);
    color: #fff;
}

.calc-btn.equals:hover {
    background: var(--color-primary-hover);
}

.calc-btn.zero {
    grid-column: span 2;
}

/* ===== Snake ===== */
.snake-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 16px;
    gap: 12px;
}

.snake-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 400px;
    margin-bottom: 8px;
}

.snake-score {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.snake-canvas {
    border: 2px solid var(--color-border);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.3);
}

.snake-controls {
    display: none;
    grid-template-columns: repeat(3, 48px);
    gap: 4px;
    margin-top: 8px;
}

.snake-controls button {
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 8px;
    background: var(--color-glass);
    color: var(--color-text);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.snake-controls button:hover {
    background: var(--color-glass-hover);
}

.snake-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    border-radius: var(--window-radius);
    z-index: 5;
}

.snake-overlay h2 {
    font-size: var(--font-size-lg);
    color: #fff;
}

.snake-overlay p {
    color: rgba(255, 255, 255, 0.7);
}

.snake-scores {
    width: 100%;
    max-width: 400px;
    margin-top: 8px;
}

@media (max-width: 768px) {
    .snake-controls {
        display: grid;
    }
}

/* ===== Terminal ===== */
.terminal {
    background: #0a0a0a;
    color: #00ff00;
    font-family: var(--font-mono);
    font-size: 13px;
    padding: 12px;
    height: 100%;
    overflow-y: auto;
    line-height: 1.5;
}

.terminal-line {
    white-space: pre-wrap;
    word-break: break-all;
}

.terminal-line.output {
    color: #00ff00;
}

.terminal-line.error {
    color: #ff4757;
}

.terminal-line.info {
    color: #ffa502;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    gap: 8px;
}

.terminal-prompt {
    color: #2ed573;
    white-space: nowrap;
}

.terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    color: #00ff00;
    font-family: var(--font-mono);
    font-size: 13px;
    outline: none;
    caret-color: #00ff00;
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 15px;
    background: #00ff00;
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ===== Empty State ===== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 12px;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    padding: 24px;
    text-align: center;
}

.empty-state .empty-icon {
    width: 48px;
    height: 48px;
    opacity: 0.3;
    margin-bottom: 8px;
}

/* ===== Confirm Dialog ===== */
.confirm-dialog {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

.confirm-dialog-box {
    background: var(--window-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--window-radius);
    padding: 24px;
    max-width: 360px;
    width: 90%;
    box-shadow: var(--window-shadow);
    text-align: center;
}

.confirm-dialog-box p {
    margin-bottom: 20px;
    font-size: var(--font-size-base);
}

.confirm-dialog-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
}

/* ===== Rename Input ===== */
.rename-input {
    background: var(--color-glass);
    border: 1px solid var(--color-primary);
    border-radius: 4px;
    color: var(--color-text);
    font-size: var(--font-size-xs);
    font-family: var(--font-family);
    padding: 2px 6px;
    outline: none;
    width: 100%;
    max-width: 100px;
    text-align: center;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-xs);
    background: var(--color-glass);
}

.breadcrumb-item {
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    transition: background var(--transition-fast);
    color: var(--color-text-secondary);
}

.breadcrumb-item:hover {
    background: var(--color-glass-hover);
    color: var(--color-text);
}

.breadcrumb-item.active {
    color: var(--color-text);
    cursor: default;
}

.breadcrumb-separator {
    color: var(--color-text-secondary);
    opacity: 0.5;
}