/* ==========================================================================
   1. VARIABLES Y ESTILOS GLOBALES (BASE DEL USUARIO)
   ========================================================================== */
:root {
  --pc-blue: #1273EB;
  --pc-yellow: #FFD400;
  --pc-green: #1DB954;
  --pc-red: #E91E63;
  --pc-bg: #f4f7f6;
  --pc-card-bg: #FFFFFF;
  --pc-border-color: #e0e0e0;
  --pc-text-primary: #111827;
  --pc-text-secondary: #6b7280;
  --pc-radius: 16px;
  --pc-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  --pc-font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  font-family: var(--pc-font-family);
  color: var(--pc-text-primary);
  background-color: var(--pc-bg);
}

.pc-title { font-size: 28px; font-weight: 700; margin: 0 0 8px; }
.pc-subtitle { font-size: 20px; font-weight: 600; margin: 24px 0 12px; }
.pc-subtitle-small { font-size: 16px; font-weight: 600; margin: 0 0 10px; }
.pc-link { color: var(--pc-blue); text-decoration: none; font-weight: 500; }
.pc-row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ==========================================================================
   2. PÁGINAS DE AUTENTICACIÓN (LOGIN Y REGISTRO)
   ========================================================================== */
.pc-auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
}
.pc-auth-card {
    max-width: 520px;
    width: 100%;
    padding: 20px 0;
}
.pc-auth-logo { text-align: center; margin-bottom: 24px; }
.pc-auth-logo img { height: 70px !important; width: auto; }
.pc-auth-title-fallback { text-align: center; }
.pc-auth-title { text-align: center; font-size: 32px; font-weight: 800; margin-bottom: 8px; color: var(--pc-text-primary); }
.pc-auth-subtitle { text-align: center; color: var(--pc-text-secondary); margin-bottom: 32px; }
.pc-auth-card .pc-form { display: flex; flex-direction: column; }
.pc-auth-card .pc-form label { font-weight: 600; color: #374151; margin: 14px 0 5px 0; display: block; font-size: 14px; }
.pc-auth-card .pc-form input[type=text],
.pc-auth-card .pc-form input[type=email],
.pc-auth-card .pc-form input[type=password],
.pc-auth-card .pc-form input[type=number],
.pc-auth-card .pc-form input[type=tel],
.pc-auth-card .pc-form select,
.pc-auth-card .pc-form textarea {
    border: 1px solid var(--pc-border-color);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 16px;
    width: 100%;
    margin: 0;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.pc-auth-card .pc-form > *:not(label) { margin-bottom: 16px; }
.pc-auth-card .pc-form input:focus, .pc-auth-card .pc-form select:focus, .pc-auth-card .pc-form textarea:focus {
    outline: none;
    border-color: var(--pc-blue);
    box-shadow: 0 0 0 3px rgba(18, 115, 235, 0.1);
}
.pc-pass { position: relative; }
.pc-auth-card .pc-pass .pc-toggle { border: none; background: transparent; color: var(--pc-red); position: absolute; right: 15px; top: 50%; transform: translateY(-50%); cursor: pointer; font-size: 20px; padding: 0; }
.pc-auth-card .pc-form .pc-btn.pc-primary { padding: 14px; border-radius: 12px; font-size: 16px; margin-top: 16px; }
.pc-auth-footer { text-align: center; margin-top: 24px; font-size: 14px; color: var(--pc-text-secondary); }
.pc-auth-footer a { color: var(--pc-red); font-weight: 600; text-decoration: none; }
.pc-register-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.pc-register-grid .pc-grid-span-2 { grid-column: span 2; }
.pc-register-grid > div { margin-bottom: 0; }
.pc-check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.pc-check span { font-size: 14px; }

/* ==========================================================================
   3. DASHBOARDS Y COMPONENTES (BASE DEL USUARIO)
   ========================================================================== */
.pc-dashboard-grid { display: grid; grid-template-columns: 1fr; gap: 24px; max-width: 1200px; margin: 20px auto; padding: 0 15px; }
@media (min-width: 992px) { .pc-dashboard-grid { grid-template-columns: 1fr 320px; } }
.pc-main-content { display: flex; flex-direction: column; gap: 20px; }
.pc-sidebar { display: flex; flex-direction: column; gap: 20px; }
.pc-card { background: var(--pc-card-bg); border: 1px solid var(--pc-border-color); border-radius: var(--pc-radius); box-shadow: var(--pc-shadow); padding: 24px; }
.pc-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.pc-btn { border: 0; border-radius: 999px; padding: 10px 22px; cursor: pointer; transition: .2s ease; font-weight: 600; font-size: 15px; text-decoration: none; display: inline-block; text-align: center; }
.pc-primary { background: var(--pc-blue); color: #fff; }
.pc-primary:hover { background: #0056b3; }
.pc-secondary { background: var(--pc-card-bg); color: var(--pc-text-primary); border: 1px solid var(--pc-border-color); }
.pc-secondary:hover { background: var(--pc-bg); }
.pc-outline { background: transparent; border: 2px solid var(--pc-blue); color: var(--pc-blue); font-size: 13px; }
.pc-small { padding: 6px 14px; font-size: 13px; }
.pc-outline-red { background: transparent; border: 2px solid var(--pc-red); color: var(--pc-red); }
.pc-outline-red:hover { background: var(--pc-red); color: #fff; }

/* === Componentes Específicos del Dashboard === */
.pc-welcome-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.pc-welcome-header p { color: var(--pc-text-secondary); margin: 0; }
.pc-stats-grid { display: flex; gap: 12px; }
.pc-stat-card { background: var(--pc-bg); border-radius: 12px; padding: 8px 16px; text-align: center; }
.pc-stat-card span { font-size: 12px; color: var(--pc-text-secondary); }
.pc-stat-card strong { display: block; font-size: 18px; }
.pc-cursos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.pc-progress-card { background: var(--pc-card-bg); border-radius: var(--pc-radius); overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--pc-shadow); }
.pc-progress-card-color-bar { height: 10px; }
.pc-progress-card-color-bar[data-color="blue"] { background-color: var(--pc-blue); }
.pc-progress-card-color-bar[data-color="red"] { background-color: var(--pc-red); }
.pc-progress-card-color-bar[data-color="green"] { background-color: var(--pc-green); }
.pc-progress-card-color-bar[data-color="yellow"] { background-color: var(--pc-yellow); }
.pc-progress-card-content { padding: 16px; flex-grow: 1; display: flex; flex-direction: column; }
.pc-progress-card h4 { font-size: 18px; margin: 0 0 10px; }
.pc-progress-card span { font-size: 12px; color: var(--pc-text-secondary); margin-top: 4px; }
.pc-progress-card-footer { margin-top: auto; padding-top: 15px; }
.pc-progress-bar-small { background: #e9ecef; border-radius: 99px; height: 6px; overflow: hidden; }
.pc-progress-bar-inner { background: var(--pc-green); height: 100%; border-radius: 99px; transition: width 0.3s ease; }
.pc-profile-card { text-align: center; }
.pc-profile-card img { border-radius: 50%; margin-bottom: 12px; }
.pc-profile-card h4 { margin: 0 0 4px; }
.pc-profile-card p { margin: 0 0 16px; color: var(--pc-text-secondary); font-size: 14px; }
.pc-profile-nav { display: flex; flex-direction: column; gap: 8px; text-align: left; margin-bottom: 16px; }
.pc-profile-nav a { padding: 8px 12px; border-radius: 8px; text-decoration: none; color: var(--pc-text-primary); }
.pc-profile-nav a:hover { background: var(--pc-bg); }
.pc-logout-link { color: var(--pc-red); font-weight: 500; text-decoration: none; }
.pc-checklist, .pc-activity-feed { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.pc-checklist li, .pc-activity-feed li { display: flex; align-items: center; gap: 8px; }
.pc-stats-overview { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (min-width: 768px) { .pc-stats-overview { grid-template-columns: repeat(4, 1fr); } }
.pc-stats-overview .pc-card { text-align: center; padding: 20px; }
.stat-value { font-size: 32px; font-weight: 700; color: var(--pc-blue); }
.stat-label { font-size: 14px; color: var(--pc-text-secondary); margin-top: 4px; }
.tutor-stats { display: flex; justify-content: center; gap: 20px; margin: 16px 0; font-size: 14px; }
.tutor-stats strong { display: block; font-size: 18px; text-align: center; }
.pc-sidebar .pc-form { display: flex; flex-direction: column; gap: 12px; }
.pc-sidebar .pc-form label { font-size: 14px; font-weight: 600; }
.pc-sidebar .pc-form input, .pc-sidebar .pc-form select { width: 100%; padding: 12px 16px; margin-top: 4px; border: 1px solid var(--pc-border-color); border-radius: 12px; font-size: 15px; transition: border-color 0.2s, box-shadow 0.2s; }
.pc-sidebar .pc-form input:focus, .pc-sidebar .pc-form select:focus { outline: none; border-color: var(--pc-blue); box-shadow: 0 0 0 3px rgba(18, 115, 235, 0.1); }

/* ==========================================================================
   4. MODALES Y COMPONENTES INTERACTIVOS
   ========================================================================== */
.pc-modal { position: fixed; inset: 0; background: rgba(17, 24, 39, 0.6); z-index: 10000; padding: 20px; display: none; align-items: center; justify-content: center; backdrop-filter: blur(8px); }
body.pc-modal-open { overflow: hidden; }
.pc-modal.is-visible { display: flex; }
.pc-modal__box { background: #fff; border-radius: var(--pc-radius); box-shadow: 0 20px 60px rgb(0 0 0 /.35); max-width: 700px; width: 100%; display: flex; flex-direction: column; max-height: 90vh; }
.pc-modal__header { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--pc-border-color); }
.pc-modal__title { font-size: 20px; font-weight: 700; margin: 0; }
.pc-modal__close { border: 0; background: #F3F4F6; border-radius: 50%; width: 32px; height: 32px; cursor: pointer; font-size: 18px; color: #6B7280; }
.pc-modal__content { padding: 24px; overflow-y: auto; }
.pc-table-wrapper { overflow-x: auto; }
.pc-table { width: 100%; border-collapse: collapse; }
.pc-table th, .pc-table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--pc-border-color); font-size: 14px; }
.pc-table th { font-weight: 600; background-color: var(--pc-bg); }
.pc-badge { padding: 4px 10px; border-radius: 999px; font-size: .78rem; font-weight: 700; }
.pc-badge.ok { background: #e7f6ec; color: #0f5132; }
.pc-badge.pending { background: #fff3cd; color: #664d03; }

/* === Autocompletado === */
.ui-autocomplete { border: 1px solid var(--pc-border-color); border-radius: 12px; box-shadow: 0 5px 15px rgba(0,0,0,0.08); background: #FFFFFF; z-index: 10001 !important; list-style: none; padding: 8px; margin: 0; }
.ui-menu .ui-menu-item-wrapper { padding: 10px 15px; cursor: pointer; border-radius: 8px; }
.ui-menu .ui-menu-item-wrapper.ui-state-active { background: var(--pc-bg); border: none; color: var(--pc-text-primary); font-weight: 600; }

/* === Formulario de Entrega (Modal) === */
.pc-entrega-form-redesigned { display: flex; flex-direction: column; gap: 20px; }
.pc-entrega-form-grid { display: grid; grid-template-columns: 1fr; gap: 30px; }
@media (min-width: 768px) { .pc-entrega-form-grid { grid-template-columns: 1fr; } }
.pc-entrega-form-col-files, .pc-entrega-form-col-text { display: flex; flex-direction: column; gap: 16px; }
.pc-entrega-form-redesigned label { font-weight: 600; color: var(--pc-text-primary); display: flex; flex-direction: column; gap: 8px; }
.pc-entrega-form-redesigned input[type=text],
.pc-entrega-form-redesigned input[type=tel],
.pc-entrega-form-redesigned textarea,
.pc-entrega-form-redesigned select { border: 1px solid var(--pc-border-color); border-radius: 12px; padding: 10px 14px; font-size: 15px; width: 100%; }
.pc-entrega-form-redesigned input[type="file"] { border: 1px solid var(--pc-border-color); border-radius: 12px; padding: 8px; font-size: 14px; color: var(--pc-text-secondary); }
.pc-entrega-form-redesigned input[type="file"]::file-selector-button { margin-right: 10px; border: none; background: var(--pc-bg); padding: 8px 12px; border-radius: 8px; color: #374151; cursor: pointer; transition: background-color .2s; }
.pc-entrega-form-redesigned input[type="file"]::file-selector-button:hover { background: #e0e0e0; }
.pc-entrega-form-redesigned .pc-btn { width: 100%; padding: 14px; font-size: 16px; border-radius: 12px; }

/* === Visor de Entrega Rediseñado (Modal) === */
/* ★★★ CORRECCIÓN IMAGEN 1px AQUÍ ★★★ */
.pc-entrega-view-redesigned img, 
.pc-entrega-files img, 
.pc-video {
    max-width: 100%;
    width: 100%; /* Forzar el ancho para evitar colapso */
    height: 250px;
    border-radius: 12px;
    display: block;
    border: 1px solid var(--pc-border-color); /* Borde sutil */
    object-fit: contain;
}
.pc-entrega-view-redesigned .pc-entrega-section { margin-bottom: 30px; }
.pc-entrega-view-redesigned h3 { border-bottom: 1px solid var(--pc-border-color); padding-bottom: 8px; margin-bottom: 16px; font-size: 18px; }
.pc-entrega-files { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pc-entrega-files h4 { margin: 0 0 10px; font-size: 14px; color: var(--pc-text-secondary); }
.pc-entrega-libro { display: flex; flex-direction: column; gap: 20px; }
@media (min-width: 768px) { .pc-entrega-libro { flex-direction: row; align-items: flex-start; } }
.pc-entrega-libro-cover img { width: 150px; height: auto; border-radius: 8px; flex-shrink: 0; }
.pc-entrega-libro-details h4 { margin: 0; font-size: 20px; }
.pc-entrega-libro-details p { color: var(--pc-text-secondary); }
.pc-entrega-libro-details .pc-stars { color: var(--pc-yellow); font-size: 20px; margin: 8px 0; }

/* === Tabla de Usuarios (Modal) === */
#pc-users-datatable_wrapper { font-size: 14px; }
#pc-users-datatable_filter input { margin-left: 8px; border: 1px solid var(--pc-border-color); border-radius: 8px; padding: 4px 8px; }