/* Estilos para el Editor de Entradas de Texto */

:root {
    --primary-color: #007cba;
    --primary-hover: #005a87;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --radius: 8px;
    --transition: 0.3s ease;
}

/* Tema claro por defecto */
:root,
[data-theme="light"] {
    --background: #fafafa;
    --surface: #ffffff;
    --text-primary: #333;
    --text-secondary: #555;
    --text-muted: #888;
    --border: #ddd;
    --shadow: rgba(0, 0, 0, 0.1);
}

/* Tema oscuro */
[data-theme="dark"] {
    --background: #1a1a1a;
    --surface: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #888;
    --border: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
}

/* Tema automático - se mantiene el comportamiento actual */
[data-theme="auto"] {
    --background: #fafafa;
    --surface: #ffffff;
    --text-primary: #333;
    --text-secondary: #555;
    --text-muted: #888;
    --border: #ddd;
    --shadow: rgba(0, 0, 0, 0.1);
}

/* Tema automático con preferencia oscura del sistema */
@media (prefers-color-scheme: dark) {
    [data-theme="auto"] {
        --background: #1a1a1a;
        --surface: #2d2d2d;
        --text-primary: #e0e0e0;
        --text-secondary: #b0b0b0;
        --text-muted: #888;
        --border: #404040;
        --shadow: rgba(0, 0, 0, 0.3);
    }
}

@media (prefers-color-scheme: dark) {
    [data-theme="auto"] {
        --background: #1a1a1a;
        --surface: #2d2d2d;
        --text-primary: #e0e0e0;
        --text-secondary: #b0b0b0;
        --text-muted: #888;
        --border: #404040;
        --shadow: rgba(0, 0, 0, 0.3);
    }
}

html { 
    color-scheme: light dark; 
}

body { 
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Verdana, Arial, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Header y Navegación */
.app-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    box-shadow: 0 2px 4px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-header h1 {
    text-align: center;
    color: var(--text-primary);
    margin: 0 0 20px 0;
    font-size: 24px;
    font-weight: 600;
}

.header-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.navigation {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex: 1;
}

/* Selector de tema */
.theme-selector {
    position: relative;
}

.btn-theme {
    padding: 8px 12px;
    border: 2px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    height: 40px;
    font-weight: 500;
}

.btn-theme:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.theme-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px var(--shadow);
    z-index: 1000;
    min-width: 140px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.theme-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-option {
    width: 100%;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    text-align: left;
}

.theme-option:hover {
    background: rgba(0, 124, 186, 0.1);
}

.theme-option.active {
    background: var(--primary-color);
    color: white;
}

.theme-option .theme-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: 2px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
    position: relative;
}

.nav-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.nav-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 124, 186, 0.3);
}

.nav-icon {
    font-size: 16px;
}

.count-badge {
    background: rgba(255, 255, 255, 0.2);
    color: inherit;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
    margin-left: 4px;
}

.nav-btn.active .count-badge {
    background: rgba(255, 255, 255, 0.3);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Sistema de Pantallas */
.screen {
    display: none;
    animation: fadeIn 0.3s ease;
}

.screen.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.screen-header {
    text-align: center;
    margin-bottom: 30px;
}

.screen-header h2 {
    color: var(--text-primary);
    margin: 0 0 8px 0;
    font-size: 28px;
    font-weight: 600;
}

.screen-subtitle {
    color: var(--text-secondary);
    margin: 0 0 20px 0;
    font-size: 16px;
}

.entries-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

/* Estilos del formulario */
/* Estilos del formulario */
.form-container {
    background: var(--surface);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: 0 4px 6px var(--shadow);
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

input[type="text"], 
textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14px;
    box-sizing: border-box;
    transition: all var(--transition);
    background: var(--surface);
    color: var(--text-primary);
}

input[type="text"]:focus, 
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 124, 186, 0.1);
}

textarea {
    height: 200px;
    resize: vertical;
    line-height: 1.6;
    font-family: inherit;
}

.char-counter {
    text-align: right;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 25px;
}

button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

button:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

button:active:before {
    width: 300px;
    height: 300px;
}

button[type="submit"], .btn-primary {
    background: var(--primary-color);
    color: white;
}

button[type="submit"]:hover, .btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 124, 186, 0.3);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.btn-icon-only {
    padding: 10px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-icon-only:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-icon {
    font-size: 16px;
}

/* Búsqueda */
.search-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    padding: 20px;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.search-container.hidden {
    display: none;
}

#searchInput {
    flex: 1;
    margin: 0;
}

/* Estilos de las entradas */
.entries-container {
    min-height: 300px;
}

.entry {
    background: var(--surface);
    padding: 24px;
    margin-bottom: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 2px 4px var(--shadow);
    transition: all var(--transition);
    position: relative;
}

.entry:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.entry-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 15px;
}

.entry-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    flex: 1;
    margin: 0;
}

.entry-actions {
    display: flex;
    gap: 6px;
    opacity: 0;
    transition: opacity var(--transition);
}

.entry:hover .entry-actions {
    opacity: 1;
}

.btn-action {
    padding: 8px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
}

.btn-edit {
    background: rgba(0, 124, 186, 0.1);
    color: var(--primary-color);
}

.btn-edit:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.btn-delete {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

.btn-delete:hover {
    background: var(--danger-color);
    color: white;
    transform: scale(1.1);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #c82333;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(220, 53, 69, 0.3);
}

.entry-message {
    line-height: 1.7;
    color: var(--text-secondary);
    white-space: pre-wrap;
    margin-bottom: 16px;
    font-size: 15px;
}

.entry-date {
    font-size: 13px;
    color: var(--text-muted);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 12px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.modified-date {
    font-style: italic;
    color: var(--primary-color);
}

/* Estado vacío mejorado */
.no-entries {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.empty-state {
    text-align: center;
    background: var(--surface);
    padding: 40px;
    border-radius: var(--radius);
    border: 2px dashed var(--border);
    max-width: 400px;
}

.empty-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
    opacity: 0.6;
}

.empty-state h3 {
    color: var(--text-primary);
    margin: 0 0 8px 0;
    font-size: 20px;
    font-weight: 600;
}

.empty-state p {
    color: var(--text-secondary);
    margin: 0 0 24px 0;
    font-size: 14px;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .app-header {
        padding: 15px 20px;
    }
    
    .header-controls {
        flex-direction: column;
        gap: 15px;
    }
    
    .navigation {
        gap: 8px;
        max-width: 280px;
    }
    
    .nav-btn {
        justify-content: center;
        padding: 16px;
    }
    
    .theme-selector {
        order: -1;
        align-self: flex-end;
    }
    
    .form-container {
        padding: 20px;
    }
    
    .entry {
        padding: 20px;
    }
    
    .entry-title {
        font-size: 18px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .entries-stats {
        flex-direction: column;
        gap: 10px;
    }
    
    .screen-header h2 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .app-header h1 {
        font-size: 20px;
    }
    
    .form-container {
        padding: 16px;
    }
    
    .entry {
        padding: 16px;
    }
    
    button {
        padding: 12px 20px;
        font-size: 14px;
    }
}

/* Animaciones adicionales */
@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.entry {
    animation: slideUp 0.3s ease;
}

/* Utilidades */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* Modal de confirmación */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px 24px 0;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    margin: 0 0 16px 0;
    color: var(--text-primary);
    font-size: 20px;
}

.modal-body {
    padding: 20px 24px;
}

.entry-preview {
    background: rgba(0, 0, 0, 0.05);
    padding: 16px;
    border-radius: 6px;
    margin: 16px 0;
    border-left: 4px solid var(--primary-color);
}

.entry-preview strong {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.entry-preview p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.warning-text {
    color: var(--danger-color);
    font-weight: 500;
    margin: 16px 0 0 0;
    font-size: 14px;
}

.modal-actions {
    padding: 0 24px 24px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Mensajes con acción */
.message-with-action {
    min-width: 350px !important;
}

.message-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.btn-undo {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-undo:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* Estados de carga y transiciones */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

.fade-enter {
    opacity: 0;
    transform: translateY(10px);
}

.fade-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}