/* ============================================================
   PROFILE.CSS - CÓDIGO COMPLETO (BANNER AZUL + MODO APP)
   ============================================================ */

/* --- 1. BUSCADOR (Pegado Arriba / Sticky) --- */
.search-users-bar {
    max-width: 600px;
    margin: 0 auto; /* Centrado en PC */
    position: sticky; /* <--- ESTO LO HACE FIJO AL BAJAR */
    top: 0; 
    z-index: 100; 
    background-color: var(--color-fondo, #ffffff); /* Fondo para que no sea transparente */
    padding: 10px;
    border-bottom: 1px solid rgba(0,0,0,0.05); /* Línea sutil */
}

#user-search-input {
    width: 100%;
    padding: 12px 20px;
    border-radius: 30px;
    background-color: var(--color-tarjeta, #f0f2f5);
    border: 1px solid var(--color-borde, #ccc);
    color: var(--color-texto, #333);
    font-size: 0.95em;
    text-align: center; /* Texto centrado estilo App */
}

/* Resultados del buscador (Dropdown) */
.dropdown-content {
    position: absolute;
    top: 100%; left: 0; width: 100%;
    background: var(--color-tarjeta, #fff);
    border: 1px solid var(--color-borde, #ddd);
    border-radius: 12px;
    margin-top: 8px;
    z-index: 100;
    display: none;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.search-result-item {
    padding: 12px 15px;
    cursor: pointer;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    display: flex; align-items: center; gap: 12px;
}
.search-result-item:hover { background: var(--color-borde, #eee); }


/* --- 2. TARJETA DE PERFIL (Cabecera con Banner) --- */
.profile-header-card {
    background-color: var(--color-tarjeta, #fff);
    border-radius: 16px;
    border: 1px solid var(--color-borde, #ddd);
    overflow: hidden; 
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* EL BANNER AZUL */
.profile-banner {
    height: 180px;
    background: linear-gradient(120deg, #00bcd4, #2c3e50); /* Cian a Oscuro */
    width: 100%;
}

.profile-content-wrapper {
    display: flex;
    padding: 0 30px 20px 30px; /* Padding ajustado */
    position: relative;
    gap: 25px;
}

/* FOTO DE PERFIL (Efecto Superpuesto) */
.profile-avatar-container {
    width: 140px;
    flex-shrink: 0; 
    margin-top: -70px; /* <--- TRUCO: Sube la foto encima del banner */
    position: relative; /* Para que esté por encima */
}

.profile-avatar-large {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background-color: #121212; 
    border: 5px solid var(--color-tarjeta, #fff); /* Borde grueso del color de la tarjeta */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5em;
    font-weight: bold;
    color: var(--color-principal, #00bcd4);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

/* COLUMNA DETALLES */
.profile-details {
    flex-grow: 1;
    padding-top: 15px; /* Espacio extra porque la foto subió */
}

.profile-top-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 5px;
    flex-wrap: wrap;
    gap: 10px;
}

.identity-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.identity-group h1 {
    font-size: 1.8em;
    font-weight: 800;
    margin: 0;
    line-height: 1.2;
    color: var(--color-texto, #222);
}

.verified-badge {
    color: var(--color-principal, #00bcd4);
    font-size: 1.2em;
}

.username {
    color: var(--color-suave, #666);
    font-size: 1em;
    margin-bottom: 15px;
}

.bio {
    font-size: 0.95em;
    line-height: 1.5;
    margin-bottom: 20px;
    color: var(--color-texto, #444);
    max-width: 700px;
}

/* ESTADÍSTICAS */
.profile-stats {
    display: flex;
    gap: 30px;
    border-top: 1px solid var(--color-borde, #eee);
    padding-top: 15px;
}

.stat-box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    cursor: pointer;
}

.stat-num {
    font-size: 1.2em;
    font-weight: bold;
    color: var(--color-texto, #000);
}

.stat-label {
    font-size: 0.85em;
    color: var(--color-suave, #888);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* BOTONES DE ACCIÓN */
.profile-actions {
    display: flex;           /* Para acomodar los botones */
    gap: 10px;               /* Espacio entre Seguir y Mensaje */
    align-items: center;     /* Centrados verticalmente */
    margin-left: auto;       /* Empuja los botones a la derecha */
}

#profile-action-buttons button {
    margin-left: 5px;
    padding: 8px 20px;
    border-radius: 20px;
}

/* --- 3. PESTAÑAS Y GRID --- */
.profile-tabs {
    display: flex;
    gap: 30px;
    border-bottom: 1px solid var(--color-borde, #ddd);
    margin-bottom: 25px;
    padding: 0 10px;
    justify-content: center; /* Centrado siempre */
}

.tab-btn {
    background: none;
    border: none;
    padding: 15px 5px;
    font-size: 1em;
    color: var(--color-suave, #888);
    cursor: pointer;
    position: relative;
    transition: color 0.3s;
}

.tab-btn:hover { color: var(--color-texto, #000); }

.tab-btn.active {
    color: var(--color-principal, #00bcd4);
    font-weight: bold;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0; width: 100%;
    height: 3px;
    background-color: var(--color-principal, #00bcd4);
    border-radius: 3px 3px 0 0;
}

.posts-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 600px; /* Ancho lectura cómodo */
    margin: 0 auto;
    padding-bottom: 20px;
}


/* =======================================================
   DISEÑO RESPONSIVO (CELULAR / APP)
   Aquí ocurre la transformación a "Modo App"
   ======================================================= */
@media (max-width: 768px) {

    /* 1. MENÚ FIJO ABAJO */
    #main-nav-header {
        position: fixed;
        bottom: 0;
        top: auto;
        left: 0;
        width: 100%;
        background: var(--color-tarjeta, #fff); 
        border-top: 1px solid var(--color-borde, #ddd);
        z-index: 1000;
        padding: 10px 0;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
    }

    #main-navigation {
        display: flex;
        justify-content: space-around;
        width: 100%;
    }

    .nav-link {
        font-size: 1.5rem;
        padding: 5px;
        color: #555;
    }
    
    .nav-link.active { color: #00bcd4; }
    
    /* Ocultar botón cerrar sesión texto en movil, o iconos extra si molestan */
    #logout-btn { display: none; } 

    /* 2. CONTENEDOR PRINCIPAL */
    #app-main-content {
        padding: 0 0 80px 0; /* 0 arriba (el buscador tiene su padding), 80 abajo para menú */
        margin: 0;
        width: 100%;
        max-width: 100%;
        display: block;
    }
    
    /* 3. BUSCADOR EN MÓVIL */
    .search-users-bar {
        margin-bottom: 0; /* Pegado a la tarjeta */
        border-radius: 0;
    }

    /* 4. TARJETA DE PERFIL (Full Width) */
    .profile-header-card {
        border-radius: 0 0 20px 20px; /* Solo redondeado abajo */
        border: none;
        border-bottom: 1px solid #eee;
        margin-bottom: 15px;
        box-shadow: none;
    }

    .profile-banner {
        height: 130px; /* Un poco más bajo en móvil */
    }

    .profile-content-wrapper {
        flex-direction: column; /* Columna vertical */
        align-items: center;
        text-align: center;
        padding: 0 20px 20px 20px;
    }

    /* 5. AVATAR Y DETALLES CENTRADOS */
    .profile-avatar-container {
        margin-top: -65px; /* Ajuste para superponer */
        margin-bottom: 10px;
        width: auto; /* Quitar ancho fijo */
        justify-content: center;
        display: flex;
    }

    .profile-avatar-large {
        width: 130px;
        height: 130px;
        font-size: 3em;
        border-width: 5px; /* Borde blanco grueso se ve genial */
    }

    .profile-details {
        width: 100%;
        padding-top: 5px;
    }

    .profile-top-row {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }
    
    .identity-group { 
        justify-content: center; 
        flex-direction: column; 
    }
    
    .identity-group h1 { font-size: 1.6em; }

    .profile-stats {
        justify-content: space-around;
        width: 100%;
        padding: 15px 0;
        border-top: 1px solid #f5f5f5;
        margin-top: 15px;
    }
    
    .stat-box { align-items: center; }

    /* 6. BOTONES DE ACCIÓN (Full Width) */
    .profile-actions {
        width: 100%;
        display: flex;
        justify-content: center;
        gap: 10px;
        margin-top: 10px;
    }

    #profile-action-buttons button {
        flex: 1; /* Que ocupen todo el ancho */
        max-width: 45%; /* Pero no más de la mitad cada uno */
    }

    /* Ocultar Sidebar (si existiera en el HTML global) */
    .sidebar { display: none; }
}
/* ============================================================
   PROFILE.CSS - RESPONSIVE (PC y MÓVIL) + RESPETANDO TEMAS
   ============================================================ */

/* --- 0. ESTRUCTURA BASE (PC) --- */
/* Usamos tus variables para que el botón de color funcione */
body {
    background-color: var(--color-fondo, #f0f2f5); 
    color: var(--color-texto, #333);
}

#app-main-content {
    max-width: 900px; /* Ancho limitado en PC */
    margin: 20px auto; /* Centrado */
    padding: 0 20px;
}

/* --- 1. BUSCADOR (Sticky) --- */
.search-users-bar {
    width: 100%; 
    max-width: 900px; 
    margin: 0 auto 20px auto;
    
    position: sticky;
    top: 10px; 
    z-index: 100;
    
    background-color: var(--color-tarjeta, #ffffff); /* Variable */
    border: 1px solid var(--color-borde, #ddd);      /* Variable */
    
    border-radius: 12px; 
    padding: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

#user-search-input {
    width: 100%;
    padding: 12px 20px;
    border-radius: 30px;
    
    /* Variables de inputs */
    background-color: var(--color-input-fondo, #f0f2f5); 
    border: 1px solid var(--color-borde, #ccc);
    color: var(--color-texto, #333);
    
    font-size: 0.95em;
    text-align: left; /* En PC mejor a la izquierda */
    padding-left: 20px;
}

/* Resultados del dropdown */
.dropdown-content {
    position: absolute;
    top: 100%; left: 0; width: 100%;
    background: var(--color-tarjeta, #ffffff);
    border: 1px solid var(--color-borde, #ddd);
    border-radius: 12px;
    margin-top: 8px;
    z-index: 101;
    display: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.search-result-item {
    padding: 12px 15px;
    cursor: pointer;
    border-bottom: 1px solid var(--color-borde, #f0f0f0);
    display: flex; align-items: center; gap: 12px;
    color: var(--color-texto, #333);
}
.search-result-item:hover { 
    background: var(--color-hover, #f5f5f5); /* Variable hover si tienes */
}


/* --- 2. TARJETA DE PERFIL (DISEÑO PC) --- */
.profile-header-card {
    background-color: var(--color-tarjeta, #ffffff); /* Variable */
    border: 1px solid var(--color-borde, #ddd);      /* Variable */
    border-radius: 16px;
    
    overflow: visible; 
    margin-bottom: 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    position: relative;
}

/* BANNER */
.profile-banner {
    height: 220px;
    background: linear-gradient(120deg, #00bcd4, #2c3e50);
    width: 100%;
    border-radius: 16px 16px 0 0;
}

/* CONTENEDOR DE INFO (Fila en PC) */
.profile-content-wrapper {
    display: flex;
    padding: 0 30px 30px 30px;
    position: relative;
    gap: 30px; 
    align-items: flex-start;
}

/* FOTO DE PERFIL */
.profile-avatar-container {
    width: 160px;
    flex-shrink: 0;
    margin-top: -60px;
    position: relative;
    z-index: 2;
}

.profile-avatar-large {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background-color: var(--color-tarjeta, #ffffff); /* Fondo igual a la tarjeta */
    border: 5px solid var(--color-tarjeta, #ffffff); /* Borde igual a la tarjeta */
    
    display: flex; align-items: center; justify-content: center;
    font-size: 4em;
    font-weight: bold;
    color: var(--color-principal, #00bcd4);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

/* DETALLES DE TEXTO */
.profile-details {
    flex-grow: 1;
    padding-top: 15px;
}

.profile-top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.identity-group h1 {
    font-size: 2em;
    font-weight: 800;
    margin: 0;
    color: var(--color-texto, #222); /* Variable */
}

.verified-badge { color: var(--color-principal, #00bcd4); margin-left: 8px; font-size: 1.2em; }
.username { color: var(--color-suave, #666); font-size: 1.1em; margin-bottom: 15px; }

.bio {
    font-size: 1em;
    line-height: 1.6;
    margin-bottom: 20px;
    color: var(--color-texto-secundario, #444);
    max-width: 600px;
}

/* ESTADÍSTICAS (PC) */
.profile-stats {
    display: flex;
    gap: 40px;
    padding-top: 15px;
    border-top: none; 
}

.stat-box {
    text-align: left;
    transition: transform 0.2s;
}
.stat-box:hover { transform: translateY(-2px); }

.stat-num { 
    font-size: 1.3em; 
    font-weight: bold; 
    display: block;
    color: var(--color-texto, #000); /* Variable */
}
.stat-label { font-size: 0.85em; color: var(--color-suave, #777); font-weight: 600; }

/* BOTONES DE ACCIÓN */
.profile-actions {
    display: flex;
    gap: 10px;
}

/* --- 3. PESTAÑAS Y GRID --- */
.profile-tabs {
    display: flex;
    gap: 40px;
    border-bottom: 1px solid var(--color-borde, #ddd);
    margin-bottom: 30px;
    justify-content: flex-start;
    padding-left: 10px;
}

.tab-btn {
    background: none; border: none;
    padding: 10px 5px;
    font-size: 1.1em;
    color: var(--color-suave, #888);
    cursor: pointer;
    position: relative;
    font-weight: 500;
}
.tab-btn:hover { color: var(--color-texto, #333); }
.tab-btn.active { color: var(--color-principal, #00bcd4); font-weight: bold; }
.tab-btn.active::after {
    content: ''; position: absolute; bottom: -1px; left: 0; width: 100%;
    height: 3px; background-color: var(--color-principal, #00bcd4);
}

/* GRID DE POSTS (PC) */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); 
    gap: 20px;
    padding-bottom: 50px;
}

/* =======================================================
   MEDIA QUERY: MÓVIL (APP MODE)
   ======================================================= */
@media (max-width: 768px) {

    /* 1. MENÚ DE NAVEGACIÓN (ABAJO) */
    #main-nav-header {
        position: fixed; bottom: 0; left: 0; width: 100%;
        background: var(--color-tarjeta, #fff); /* Variable */
        border-top: 1px solid var(--color-borde, #eee);
        z-index: 1000; padding: 10px 0;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
    }
    #main-navigation { display: flex; justify-content: space-around; }
    .nav-link { font-size: 1.5rem; color: var(--color-suave, #555); }
    .nav-link.active { color: var(--color-principal, #00bcd4); }
    #logout-btn { display: none; }

    /* 2. CONTENEDOR APP */
    #app-main-content {
        padding: 0 0 80px 0;
        margin: 0;
        max-width: 100%;
        width: 100%;
    }

    /* 3. BUSCADOR MÓVIL */
    .search-users-bar {
        position: sticky; top: 0;
        margin: 0;
        border-radius: 0;
        /* Aseguramos que use el fondo de la tarjeta */
        background-color: var(--color-tarjeta, #ffffff);
        border-bottom: 1px solid var(--color-borde, #f0f0f0);
    }
    #user-search-input { text-align: center; padding-left: 10px; }

    /* 4. TARJETA DE PERFIL (COLUMNA) */
    .profile-header-card {
        border-radius: 0 0 25px 25px; 
        border: none;
        border-bottom: 1px solid var(--color-borde, #f0f0f0);
        box-shadow: none;
        margin-bottom: 10px;
    }
    
    .profile-banner { height: 140px; border-radius: 0; }

    .profile-content-wrapper {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 15px;
        padding: 0 20px 25px 20px;
    }

    /* Avatar centrado */
    .profile-avatar-container {
        margin-top: -70px;
        width: auto;
    }
    .profile-avatar-large {
        width: 130px; height: 130px;
        font-size: 3.5em;
        border: 4px solid var(--color-tarjeta, #fff); /* Borde variable */
    }

    /* Detalles centrados */
    .profile-details { padding-top: 0; width: 100%; }
    
    .profile-top-row {
        flex-direction: column;
        justify-content: center;
        gap: 10px;
    }
    
    .identity-group { justify-content: center; }
    .bio { margin: 10px auto; font-size: 0.95em; }

    /* Estadísticas expandidas */
    .profile-stats {
        justify-content: space-around;
        width: 100%;
        border-top: 1px solid var(--color-borde, #f5f5f5);
        padding-top: 15px;
        margin-top: 15px;
    }
    .stat-box { align-items: center; text-align: center; }

    /* Botones grandes */
    .profile-actions { width: 100%; justify-content: center; margin-top: 5px; }
    #profile-action-buttons button { flex: 1; max-width: 150px; }

    /* Grid y Tabs */
    .profile-tabs { justify-content: center; gap: 30px; margin-bottom: 20px;}
    .posts-grid { 
        display: flex; flex-direction: column; 
        padding: 0 15px 20px 15px; 
    }
}