/**
 * Estilos CSS - Dashboard Power BI
 * Estudio Perfilamiento y Posicionamiento
 * 
 * Colores:
 * - Principal: #FFFFFF (blanco)
 * - Secundario/Bordes: #156082 (azul oscuro)
 * - Énfasis: #2DA764 (verde)
 */

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    --color-primary: #FFFFFF;
    --color-secondary: #156082;
    --color-accent: #2DA764;
    --color-text: #333333;
    --color-text-light: #666666;
    --shadow-soft: 0 2px 8px rgba(21, 96, 130, 0.15);
    --shadow-medium: 0 4px 16px rgba(21, 96, 130, 0.2);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --sidebar-width: 220px;
    --header-height: 70px;
}

/* ============================================
   RESET Y BASE
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: #f5f7fa;
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #1a7299 100%);
    color: var(--color-primary);
    padding: 0 24px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-medium);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.header__title {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header__icon {
    width: 36px;
    height: 36px;
    background-color: var(--color-accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header__icon svg {
    width: 20px;
    height: 20px;
    fill: var(--color-primary);
}

/* Botón hamburguesa para móvil */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 5px 0;
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ============================================
   CONTENEDOR PRINCIPAL
   ============================================ */
.main-wrapper {
    display: flex;
    flex: 1;
    margin-top: var(--header-height);
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-primary);
    border-left: 3px solid var(--color-secondary);
    box-shadow: var(--shadow-soft);
    padding: 24px 16px;
    position: fixed;
    right: 0;
    top: var(--header-height);
    bottom: 0;
    z-index: 50;
    overflow-y: auto;
    transition: transform var(--transition-normal);
}

.sidebar__title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #eee;
}

.sidebar__nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background-color: #f8f9fa;
    border: 2px solid transparent;
    border-radius: 10px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.nav-btn:hover {
    background-color: #e8f4f8;
    border-color: var(--color-secondary);
    transform: translateX(-4px);
}

.nav-btn--active {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-color: var(--color-secondary);
}

.nav-btn--active:hover {
    background-color: #1a7299;
    transform: translateX(-4px);
}

.nav-btn__icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-btn__icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Indicador de estado activo */
.nav-btn--active .nav-btn__indicator {
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    margin-left: auto;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   CONTENIDO PRINCIPAL
   ============================================ */
.main-content {
    flex: 1;
    margin-right: var(--sidebar-width);
    padding: 32px;
    background-color: #f5f7fa;
}

.dashboard-container {
    background-color: var(--color-primary);
    border-radius: 16px;
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    border: 1px solid #e0e6ed;
}

/* Título del Dashboard */
.dashboard-header {
    background: linear-gradient(90deg, var(--color-secondary) 0%, #1a7299 100%);
    padding: 20px 28px;
    border-bottom: 4px solid var(--color-accent);
}

.dashboard-header__title {
    color: var(--color-primary);
    font-size: 1.35rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.dashboard-header__badge {
    background-color: var(--color-accent);
    color: var(--color-primary);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Contenedor del iframe de Power BI */
.powerbi-container {
    padding: 24px;
    background-color: #fafbfc;
}

.powerbi-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 62.25%; /* Aspect ratio 16:10 para mejor visualización */
    background-color: var(--color-primary);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: inset 0 0 0 1px rgba(21, 96, 130, 0.1);
}

.powerbi-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Estado de carga */
.powerbi-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--color-text-light);
}

.powerbi-loading__spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #e0e6ed;
    border-top-color: var(--color-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-secondary);
    color: rgba(255, 255, 255, 0.8);
    padding: 16px 24px;
    text-align: center;
    font-size: 0.85rem;
    margin-right: var(--sidebar-width);
}

.footer a {
    color: var(--color-accent);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* ============================================
   OVERLAY PARA MÓVIL
   ============================================ */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 40;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

/* ============================================
   RESPONSIVE - TABLETS
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 200px;
    }
    
    .header__title {
        font-size: 1.1rem;
    }
    
    .main-content {
        padding: 24px;
    }
}

/* ============================================
   RESPONSIVE - MÓVILES
   ============================================ */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    
    .header {
        padding: 0 16px;
    }
    
    .header__title {
        font-size: 0.95rem;
        max-width: 70%;
    }
    
    .menu-toggle {
        display: block;
    }
    
    /* Sidebar como overlay en móvil */
    .sidebar {
        transform: translateX(100%);
        width: 280px;
        max-width: 85vw;
    }
    
    .sidebar--open {
        transform: translateX(0);
    }
    
    .sidebar-overlay--visible {
        display: block;
        opacity: 1;
    }
    
    /* Contenido ocupa todo el ancho */
    .main-content {
        margin-right: 0;
        padding: 16px;
    }
    
    .footer {
        margin-right: 0;
    }
    
    .dashboard-container {
        border-radius: 12px;
    }
    
    .dashboard-header {
        padding: 16px 20px;
    }
    
    .dashboard-header__title {
        font-size: 1.1rem;
        flex-wrap: wrap;
    }
    
    .powerbi-container {
        padding: 12px;
    }
    
    .powerbi-wrapper {
        padding-bottom: 75%; /* Aspect ratio más alto para móvil */
    }
    
    .nav-btn {
        padding: 16px;
    }
    
    .nav-btn:hover {
        transform: none;
    }
}

/* ============================================
   RESPONSIVE - MÓVILES PEQUEÑOS
   ============================================ */
@media (max-width: 480px) {
    .header__logo {
        gap: 8px;
    }
    
    .header__icon {
        width: 32px;
        height: 32px;
    }
    
    .header__title {
        font-size: 0.85rem;
    }
    
    .dashboard-header__title {
        font-size: 1rem;
    }
    
    .dashboard-header__badge {
        font-size: 0.65rem;
        padding: 3px 8px;
    }
    
    .powerbi-wrapper {
        padding-bottom: 85%;
    }
}

/* ============================================
   UTILIDADES
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}