/**
 * Plane Core Styles - Variables y mixins centralizados
 * Elimina duplicación entre archivos CSS
 */

/* Variables CSS centralizadas */
:root {
    /* Colores principales */
    --bg-primary: #141414;
    --bg-secondary: #1c1c1c;
    --bg-tertiary: #232323;
    --text-primary: #e0e0e0;
    --text-muted: #a0a0a0;
    --text-dark: #333333;
    
    /* Colores de acento */
    --accent-1: rgba(249,105,169,0.18);
    --accent-2: rgba(28,186,127,0.18);
    --accent-3: rgba(201,226,36,0.18);
    --accent-4: rgba(247,158,106,0.18);
    --accent-5: rgba(42,170,220,0.18);
    --accent-6: rgba(170,107,228,0.18);
    --accent-7: rgba(254,222,47,0.18);
    --accent-8: rgba(104,114,135,0.18);
    
    /* Colores intensos */
    --accent-1-intense: rgb(249,105,169);
    --accent-2-intense: rgb(28,186,127);
    --accent-3-intense: rgb(201,226,36);
    --accent-4-intense: rgb(247,158,106);
    --accent-5-intense: rgb(42,170,220);
    --accent-6-intense: rgb(170,107,228);
    --accent-7-intense: rgb(254,222,47);
    --accent-8-intense: rgb(104,114,135);
    
    /* Colores de highlight */
    --highlight-1: rgba(249,105,169,0.3);
    --highlight-2: rgba(28,186,127,0.3);
    --highlight-3: rgba(201,226,36,0.3);
    --highlight-4: rgba(247,158,106,0.3);
    --highlight-5: rgba(42,170,220,0.3);
    --highlight-6: rgba(170,107,228,0.3);
    --highlight-7: rgba(254,222,47,0.3);
    --highlight-8: rgba(104,114,135,0.3);
    
    /* Bordes y radios */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    
    /* Tipografía */
    --font-main: 'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Transiciones */
    --transition-normal: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

/* Mixins comunes para botones */
.plane-btn-base {
    display: inline-flex;
    align-items: center;
    padding: 8px 15px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-fast);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    text-decoration: none;
}

.plane-btn-base:hover {
    background-color: rgba(255,255,255,0.1);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.plane-btn-base:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.2);
}

/* Estados de botones */
.plane-btn-primary {
    background-color: var(--accent-2-intense);
    color: var(--bg-primary);
    border: none;
}

.plane-btn-primary:hover {
    background-color: rgba(28,186,127,0.8);
}

.plane-btn-cancel {
    background-color: var(--bg-tertiary);
}

/* Utilidades comunes */
.plane-card-base {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, box-shadow 0.3s;
    margin-bottom: 20px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.plane-card-base:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Clases de animación comunes */
.plane-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.plane-fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

.plane-scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.plane-scale-in.active {
    opacity: 1;
    transform: scale(1);
}

/* Responsive utilities */
@media (max-width: 768px) {
    :root {
        --font-size-base: 14px;
        --spacing-sm: 8px;
        --spacing-md: 16px;
        --spacing-lg: 24px;
    }
    
    .plane-btn-base {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    /* Fix global para eliminar espacio inferior en navegación móvil */
    body::after {
        display: none !important;
    }
    
    /* Remover espacios inferiores en elementos finales */
    body > *:last-child {
        margin-bottom: 0 !important;
        padding-bottom: 0 !important;
    }
    
    /* Fix para navegación inferior fija */
    body > nav:last-of-type,
    body > div:last-of-type,
    body > footer:last-of-type {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        margin: 0 !important;
        padding-bottom: 0 !important;
    }
}

/* Estados de elementos activos */
.plane-active-element {
    opacity: 1;
    transform: translateY(0);
}

/* Transiciones de botones optimizadas */
.plane-btn-transition-smooth {
    transition: all 0.3s ease !important;
}

.plane-btn-transition-bounce:hover {
    transform: translateY(-6px) !important;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55) !important;
}

.plane-btn-transition-pulse:hover {
    animation: plane-pulse-animation 1s infinite !important;
}

@keyframes plane-pulse-animation {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.plane-btn-transition-scale:hover {
    transform: scale(1.1) !important;
}

.plane-btn-transition-rotate:hover {
    transform: rotate(5deg) !important;
}

/* Loading states */
.plane-loading {
    position: relative;
}

.plane-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--accent-6-intense);
    border-radius: 50%;
    border-top-color: transparent;
    animation: plane-spin 1s linear infinite;
}

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

/* Skeleton loading */
.plane-skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--border-radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Prevención de selección en el textarea del editor */
#plane-editor {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Estilos para elementos de encabezado no-H */
.plane-header-title,
.plane-library-title,
.plane-shared-main-title,
.plane-shared-song-title,
.plane-modal-title,
.plane-profile-main-title,
.plane-profile-section-title,
.plane-profile-subsection-title,
.plane-admin-profile-title {
    font-weight: bold;
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: inherit;
}

.plane-header-title,
.plane-library-title,
.plane-profile-main-title {
    font-size: 2rem;
}

.plane-shared-main-title,
.plane-admin-profile-title {
    font-size: 2.5rem;
}

.plane-shared-song-title {
    font-size: 2rem;
}

.plane-modal-title,
.plane-profile-section-title {
    font-size: 1.5rem;
}

.plane-profile-subsection-title {
    font-size: 1.2rem;
}

.plane-text-title {
    font-size: 1.25rem;
    font-weight: bold;
    margin: 0 0 0.5rem 0;
    line-height: 1.2;
    color: inherit;
}

/* Estilos para admin */
.plane-admin-title {
    font-size: 1.875rem;
    font-weight: 600;
    margin: 0.67em 0;
    line-height: 1.2;
    color: #23282d;
}

.plane-admin-subtitle {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 1.5em 0 0.5em 0;
    line-height: 1.2;
    color: #23282d;
}

.plane-role-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.75rem 0;
    line-height: 1.2;
    color: #23282d;
}

.plane-button-config-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.75rem 0;
    line-height: 1.2;
    color: #23282d;
}

.plane-library-section-title {
    font-size: 1.17rem;
    font-weight: bold;
    margin: 0;
    line-height: 1.2;
    color: #23282d;
}

.plane-subsection-title {
    font-size: 1.17rem;
    font-weight: bold;
    margin: 1em 0 0.5em 0;
    line-height: 1.2;
    color: #23282d;
}

.plane-group-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    line-height: 1.2;
    color: #23282d;
}

@media (max-width: 768px) {
    .plane-header-title,
    .plane-library-title,
    .plane-profile-main-title,
    .plane-shared-song-title {
        font-size: 1.5rem;
    }
    
    .plane-shared-main-title,
    .plane-admin-profile-title {
        font-size: 2rem;
    }
    
    .plane-modal-title,
    .plane-profile-section-title {
        font-size: 1.2rem;
    }
    
    .plane-profile-subsection-title {
        font-size: 1rem;
    }
}