/* ============================================================
   Sistema de Gestión Educativa - Instituto CEC - v2.1
   Fully responsive — mobile first
   ============================================================ */

:root {
  --primary: #2563eb; --primary-dark: #1d4ed8; --primary-light: #eff6ff;
  --secondary: #64748b; --success: #16a34a; --success-light: #f0fdf4;
  --danger: #dc2626; --danger-light: #fef2f2; --warning: #d97706;
  --warning-light: #fffbeb; --purple: #7c3aed; --purple-light: #f5f3ff;
  --info: #0891b2; --info-light: #ecfeff; --teal: #0d9488; --teal-light: #f0fdfa;
  --orange: #ea580c; --orange-light: #fff7ed; --bg: #f1f5f9; --white: #ffffff;
  --border: #e2e8f0; --text: #1e293b; --text-light: #64748b; --text-muted: #94a3b8;
  --sidebar-w: 240px; --topbar-h: 60px; --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-size: 14px; color: var(--text); background: var(--bg); line-height: 1.5; -webkit-text-size-adjust: 100%; }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #cbd5e1; }

/* ===== LOGIN ===== */
#login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #2563eb 100%); padding: 16px; }
.login-card { background: white; border-radius: 16px; padding: 36px 28px; width: 100%; max-width: 420px; box-shadow: var(--shadow-lg); }
.login-logo { font-size: 24px; font-weight: 800; color: var(--primary); text-align: center; margin-bottom: 4px; }
.login-logo i { margin-right: 8px; }
.login-subtitle { text-align: center; color: var(--text-light); font-size: 13px; margin-bottom: 24px; }

/* ===== APP LAYOUT ===== */
#app-layout { display: flex; min-height: 100vh; }

/* ===== SIDEBAR ===== */
#sidebar { width: var(--sidebar-w); background: #0f172a; color: white; display: flex; flex-direction: column; flex-shrink: 0; position: fixed; top: 0; left: 0; bottom: 0; z-index: 200; overflow: hidden; transition: transform 0.28s cubic-bezier(0.4,0,0.2,1); }
.sidebar-logo { padding: 18px 16px 12px; border-bottom: 1px solid rgba(255,255,255,0.07); flex-shrink: 0; }
.sidebar-logo-title { font-size: 14px; font-weight: 700; color: white; display: flex; align-items: center; gap: 10px; }
.sidebar-logo-title i { background: var(--primary); padding: 7px; border-radius: 8px; font-size: 12px; }
.sidebar-logo-sub { font-size: 11px; color: rgba(255,255,255,0.4); margin-top: 3px; margin-left: 34px; }
.sidebar-nav { flex: 1; padding: 6px 8px; overflow-y: auto; overflow-x: hidden; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 4px; }
.sidebar-section { font-size: 10px; font-weight: 700; color: rgba(255,255,255,0.3); letter-spacing: 1px; text-transform: uppercase; padding: 12px 10px 4px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; cursor: pointer; color: rgba(255,255,255,0.6); font-size: 13px; font-weight: 500; transition: all 0.15s; margin-bottom: 2px; user-select: none; touch-action: manipulation; -webkit-tap-highlight-color: transparent; min-height: 42px; }
.nav-item:hover { background: rgba(255,255,255,0.08); color: white; }
.nav-item.active { background: var(--primary); color: white; box-shadow: 0 2px 8px rgba(37,99,235,0.4); }
.nav-item i { width: 16px; text-align: center; font-size: 13px; flex-shrink: 0; }
.sidebar-footer { padding: 12px; border-top: 1px solid rgba(255,255,255,0.07); flex-shrink: 0; }
.btn-logout { width: 100%; padding: 8px; background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.6); border: 1px solid rgba(255,255,255,0.1); border-radius: 7px; cursor: pointer; font-size: 12px; transition: all 0.15s; display: flex; align-items: center; justify-content: center; gap: 6px; }
.btn-logout:hover { background: rgba(220,38,38,0.3); color: #fca5a5; border-color: rgba(220,38,38,0.4); }

/* ===== SIDEBAR OVERLAY (móvil) ===== */
#sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 199; backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px); }
#sidebar-overlay.open { display: block; }

/* ===== MAIN CONTENT ===== */
#main-content { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-height: 100vh; min-width: 0; }

/* ===== TOPBAR ===== */
#topbar { height: var(--topbar-h); background: white; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 18px; position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow); flex-shrink: 0; gap: 10px; }
.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.topbar-title { font-size: 16px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* ===== HAMBURGER ===== */
.hamburger { display: none; flex-direction: column; justify-content: center; align-items: center; gap: 5px; width: 38px; height: 38px; border-radius: 8px; border: 1px solid var(--border); background: transparent; cursor: pointer; flex-shrink: 0; transition: background 0.15s; padding: 0; }
.hamburger:hover { background: var(--bg); }
.hamburger span { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.25s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.user-info { display: flex; align-items: center; gap: 8px; }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: white; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.btn-icon { position: relative; width: 36px; height: 36px; border-radius: 8px; background: transparent; border: 1px solid var(--border); cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--text-light); transition: all 0.15s; flex-shrink: 0; }
.btn-icon:hover { background: var(--bg); color: var(--text); }
.notif-badge { position: absolute; top: -4px; right: -4px; background: var(--danger); color: white; border-radius: 10px; font-size: 10px; min-width: 18px; height: 18px; padding: 0 4px; display: flex; align-items: center; justify-content: center; font-weight: 700; border: 2px solid white; }

/* ===== PAGE CONTENT ===== */
#page-content { flex: 1; padding: 20px; overflow-y: auto; overflow-x: hidden; }

/* ===== PAGE HEADER ===== */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 18px; gap: 12px; flex-wrap: wrap; }
.page-header-left h2 { font-size: 19px; font-weight: 700; color: var(--text); }
.page-header-left p { font-size: 13px; color: var(--text-light); margin-top: 2px; }

/* ===== CARDS ===== */
.card { background: white; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); overflow: hidden; }
.card-header { padding: 13px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.card-title { font-size: 14px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.card-body { padding: 16px; }

/* ===== STAT CARDS ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat-card { background: white; border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); border: 1px solid var(--border); transition: box-shadow 0.2s, transform 0.1s; }
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.stat-card-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 8px; }
.stat-icon { width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 15px; flex-shrink: 0; }
.stat-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-icon.green { background: var(--success-light); color: var(--success); }
.stat-icon.red { background: var(--danger-light); color: var(--danger); }
.stat-icon.orange { background: var(--warning-light); color: var(--warning); }
.stat-icon.purple { background: var(--purple-light); color: var(--purple); }
.stat-icon.teal { background: var(--teal-light); color: var(--teal); }
.stat-value { font-size: 22px; font-weight: 800; color: var(--text); line-height: 1.1; }
.stat-label { font-size: 12px; color: var(--text-light); font-weight: 500; }
.stat-change { font-size: 11px; margin-top: 5px; display: flex; align-items: center; gap: 4px; }
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ===== DASHBOARD GRID ===== */
.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ===== CLASES RESPONSIVE (reemplazan grids fijos inline) ===== */
.g-2    { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.g-3    { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.g-5    { display: grid; grid-template-columns: repeat(5,1fr); gap: 12px; }
.g-auto { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 16px; }
.g-stat3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; background:#f8fafc; border-radius:8px; padding:10px; }

/* ===== TABLES ===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 480px; }
thead { background: #f8fafc; }
th { padding: 10px 12px; text-align: left; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-light); border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 11px 12px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafafa; }
tr.row-danger td { background: #fff5f5 !important; }
tr.row-danger:hover td { background: #fef2f2 !important; }
tr.row-success td { background: #f0fdf4 !important; }
tr.row-success:hover td { background: #dcfce7 !important; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

/* ===== PAGINATION ===== */
.pagination { padding: 10px 14px; display: flex; align-items: center; justify-content: center; gap: 10px; border-top: 1px solid var(--border); background: #fafafa; flex-wrap: wrap; }

/* ===== BADGES ===== */
.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; white-space: nowrap; }
.badge-green { background:#dcfce7; color:#15803d; } .badge-red { background:#fee2e2; color:#b91c1c; }
.badge-blue { background:#dbeafe; color:#1d4ed8; } .badge-yellow { background:#fef9c3; color:#a16207; }
.badge-orange { background:#ffedd5; color:#c2410c; } .badge-purple { background:#ede9fe; color:#6d28d9; }
.badge-teal { background:#ccfbf1; color:#0f766e; } .badge-gray { background:#f1f5f9; color:#475569; }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 8px; border: none; cursor: pointer; font-size: 13px; font-weight: 600; transition: all 0.15s; text-decoration: none; white-space: nowrap; touch-action: manipulation; -webkit-tap-highlight-color: transparent; min-height: 38px; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); box-shadow: 0 2px 8px rgba(37,99,235,0.35); }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover:not(:disabled) { background: #e2e8f0; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover:not(:disabled) { background: #15803d; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover:not(:disabled) { background: #b91c1c; }
.btn-warning { background: var(--warning); color: white; }
.btn-warning:hover:not(:disabled) { background: #b45309; }
.btn-purple { background: var(--purple); color: white; }
.btn-purple:hover:not(:disabled) { background: #6d28d9; }
.btn-info { background: var(--info); color: white; }
.btn-info:hover:not(:disabled) { background: #0e7490; }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 6px; }
.btn-link { background: none; border: none; color: var(--primary); cursor: pointer; font-size: 12px; padding: 0; text-decoration: underline; }
.action-btns { display: flex; gap: 4px; align-items: center; justify-content: flex-end; flex-wrap: nowrap; }
.btn-sm.btn-info, .btn-sm.btn-warning, .btn-sm.btn-success, .btn-sm.btn-danger, .btn-sm.btn-purple { padding: 5px 8px; }

/* ===== FORMS ===== */
.form-group { display: flex; flex-direction: column; gap: 5px; margin-bottom: 13px; }
.form-group:last-child { margin-bottom: 0; }
.form-label { font-size: 13px; font-weight: 600; color: var(--text); }
.form-control { padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; color: var(--text); background: white; transition: border-color 0.15s, box-shadow 0.15s; outline: none; width: 100%; -webkit-appearance: none; appearance: none; touch-action: manipulation; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-control::placeholder { color: var(--text-muted); }
#login-page .form-control { background: #1e293b !important; color: #f1f5f9 !important; border-color: rgba(255,255,255,0.2) !important; }
#login-page .form-control::placeholder { color: #94a3b8 !important; }
#login-page .form-control:focus { border-color: #6366f1 !important; box-shadow: 0 0 0 3px rgba(99,102,241,0.25) !important; }
#login-page .form-control:-webkit-autofill,
#login-page .form-control:-webkit-autofill:hover,
#login-page .form-control:-webkit-autofill:focus { -webkit-box-shadow: 0 0 0 1000px #1e293b inset !important; -webkit-text-fill-color: #f1f5f9 !important; border-color: rgba(255,255,255,0.2) !important; }
textarea.form-control { resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-hint { font-size: 11px; color: var(--text-muted); }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.req { color: var(--danger); }

/* ===== SEARCH BAR ===== */
.search-bar { position: relative; flex: 1; min-width: 160px; }
.search-bar .form-control { padding-left: 34px; }
.search-bar .search-icon, .search-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 13px; pointer-events: none; }
.filter-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ===== ALERTS ===== */
.alert { padding: 11px 13px; border-radius: 8px; font-size: 13px; display: flex; align-items: flex-start; gap: 8px; }
.alert i { flex-shrink: 0; margin-top: 1px; }
.alert-error { background: var(--danger-light); color: #b91c1c; border: 1px solid #fecaca; }
.alert-warning { background: var(--warning-light); color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: var(--primary-light); color: #1e40af; border: 1px solid #bfdbfe; }
.alert-success { background: var(--success-light); color: #15803d; border: 1px solid #bbf7d0; }

/* ===== MODALS ===== */
#modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; align-items: flex-end; justify-content: center; padding: 0; backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px); }
#modal-overlay.open { display: flex; }
.modal-box { background: white; border-radius: 20px 20px 0 0; width: 100%; max-width: 100%; max-height: 94vh; display: flex; flex-direction: column; box-shadow: 0 -4px 40px rgba(0,0,0,0.18); animation: modalInMobile 0.28s cubic-bezier(0.34,1.2,0.64,1); overflow: hidden; }
.modal-lg { max-width: 100%; }
.modal-xl { max-width: 100%; }
@keyframes modalInMobile { from { opacity:0; transform:translateY(60px); } to { opacity:1; transform:translateY(0); } }
.modal-header { padding: 16px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; background: #fafafa; }
.modal-title { font-size: 15px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.modal-close { width: 32px; height: 32px; border-radius: 8px; border: none; background: transparent; cursor: pointer; color: var(--text-light); font-size: 14px; display: flex; align-items: center; justify-content: center; transition: all 0.15s; }
.modal-close:hover { background: var(--danger-light); color: var(--danger); }
.modal-body { padding: 18px; overflow-y: auto; flex: 1; -webkit-overflow-scrolling: touch; }

/* ===== NOTIFICATIONS ===== */
.notif-panel { position: fixed; top: var(--topbar-h); left: 0; right: 0; width: 100%; background: white; border-radius: 0 0 14px 14px; box-shadow: var(--shadow-lg); border: 1px solid var(--border); z-index: 150; max-height: 70vh; overflow-y: auto; }
.notif-header { padding: 10px 14px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; font-weight: 700; font-size: 13px; position: sticky; top: 0; background: white; z-index: 1; }
.notif-empty { padding: 24px; text-align: center; color: var(--text-muted); font-size: 13px; }
.notif-item { padding: 11px 14px; border-bottom: 1px solid #f1f5f9; display: flex; gap: 10px; transition: background 0.1s; cursor: default; }
.notif-item:hover { background: #fafafa; }
.notif-item.unread { background: #f0f7ff; }
.notif-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; }
.notif-icon.blue { background: var(--primary-light); color: var(--primary); }
.notif-icon.green { background: var(--success-light); color: var(--success); }
.notif-icon.red { background: var(--danger-light); color: var(--danger); }
.notif-content { flex: 1; min-width: 0; }
.notif-title { font-size: 13px; font-weight: 700; color: var(--text); }
.notif-msg { font-size: 12px; color: var(--text-light); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.notif-time { font-size: 11px; color: var(--text-muted); margin-top: 3px; }

/* ===== TOAST ===== */
#toast-container { position: fixed; bottom: 20px; right: 16px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; pointer-events: none; max-width: calc(100vw - 32px); }
.toast { display: flex; align-items: center; gap: 10px; padding: 11px 14px; border-radius: 10px; font-size: 13px; font-weight: 600; max-width: 320px; box-shadow: var(--shadow-lg); pointer-events: auto; animation: toastIn 0.3s ease-out; transition: opacity 0.3s; }
.toast.hide { opacity: 0; }
.toast.success { background: #15803d; color: white; }
.toast.error { background: #b91c1c; color: white; }
.toast.warning { background: #d97706; color: white; }
.toast.info { background: var(--primary); color: white; }
@keyframes toastIn { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }

/* ===== SPINNER ===== */
.spinner { width: 14px; height: 14px; border: 2px solid rgba(255,255,255,0.3); border-top-color: white; border-radius: 50%; animation: spin 0.7s linear infinite; display: inline-block; flex-shrink: 0; }
.spinner-lg { width: 36px; height: 36px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.7s linear infinite; margin: 0 auto 12px; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 20px; gap: 14px; color: var(--text-light); font-size: 14px; }

/* ===== EMPTY STATE ===== */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 48px 20px; text-align: center; }
.empty-state-icon { width: 66px; height: 66px; border-radius: 20px; background: var(--bg); display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--text-muted); margin-bottom: 14px; }
.empty-state-title { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.empty-state-desc { font-size: 13px; color: var(--text-light); margin-bottom: 18px; max-width: 300px; }

/* ===== AVATAR ===== */
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: white; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; flex-shrink: 0; }

/* ===== DETAIL GRID ===== */
.detail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.detail-item { background: #f8fafc; border-radius: 8px; padding: 10px 12px; }
.detail-item label { display: block; font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 3px; }
.detail-item span { font-size: 13px; font-weight: 600; color: var(--text); }
.section-subtitle { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 10px; }

/* ===== GRID CARDS ===== */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }

/* ===== CURSO CARDS ===== */
.curso-card { background: white; border-radius: var(--radius); border: 1px solid var(--border); padding: 16px; box-shadow: var(--shadow); transition: all 0.2s; }
.curso-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.curso-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.curso-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 17px; }
.curso-nombre { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.curso-desc { font-size: 12px; color: var(--text-light); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.curso-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 12px; }
.curso-info-grid > div { font-size: 12px; color: var(--text-light); display: flex; align-items: center; gap: 5px; }
.curso-info-grid i { color: var(--primary); width: 12px; }
.curso-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ===== SEDE CARDS ===== */
.sede-card { background: white; border-radius: var(--radius); border: 1px solid var(--border); padding: 16px; box-shadow: var(--shadow); transition: all 0.2s; }
.sede-card:hover { box-shadow: var(--shadow-md); }
.sede-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.sede-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--purple-light); color: var(--purple); display: flex; align-items: center; justify-content: center; font-size: 17px; }
.sede-nombre { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.sede-info { font-size: 12px; color: var(--text-light); display: flex; align-items: center; gap: 6px; margin-bottom: 5px; }
.sede-info i { color: var(--purple); width: 12px; }

/* ===== ACTION BUTTONS sin .btn parent ===== */
.btn-sm.btn-success, a.btn-sm.btn-success, button.btn-success:not(.btn) { background: var(--success); color: white; padding: 5px 9px; border-radius: 6px; font-size: 12px; font-weight: 600; cursor: pointer; border: none; display: inline-flex; align-items: center; gap: 4px; transition: all 0.15s; }
.btn-sm.btn-success:hover, button.btn-success:not(.btn):hover { background: #15803d; }
.btn-sm.btn-warning, a.btn-sm.btn-warning, button.btn-warning:not(.btn) { background: var(--warning); color: white; padding: 5px 9px; border-radius: 6px; font-size: 12px; font-weight: 600; cursor: pointer; border: none; display: inline-flex; align-items: center; gap: 4px; transition: all 0.15s; }
.btn-sm.btn-warning:hover, button.btn-warning:not(.btn):hover { background: #b45309; }
.btn-sm.btn-danger, a.btn-sm.btn-danger, button.btn-danger:not(.btn) { background: var(--danger); color: white; padding: 5px 9px; border-radius: 6px; font-size: 12px; font-weight: 600; cursor: pointer; border: none; display: inline-flex; align-items: center; gap: 4px; transition: all 0.15s; }
.btn-sm.btn-danger:hover, button.btn-danger:not(.btn):hover { background: #b91c1c; }
.btn-sm.btn-info, a.btn-sm.btn-info, button.btn-info:not(.btn) { background: var(--info); color: white; padding: 5px 9px; border-radius: 6px; font-size: 12px; font-weight: 600; cursor: pointer; border: none; display: inline-flex; align-items: center; gap: 4px; transition: all 0.15s; }
.btn-sm.btn-info:hover, button.btn-info:not(.btn):hover { background: #0e7490; }
.btn-sm.btn-purple, a.btn-sm.btn-purple, button.btn-purple:not(.btn) { background: var(--purple); color: white; padding: 5px 9px; border-radius: 6px; font-size: 12px; font-weight: 600; cursor: pointer; border: none; display: inline-flex; align-items: center; gap: 4px; transition: all 0.15s; }
.btn-sm.btn-purple:hover, button.btn-purple:not(.btn):hover { background: #6d28d9; }

/* ===== CAMPUS VIRTUAL ===== */
.campus-tab { flex: 1; padding: 9px 12px; background: none; border: none; border-radius: 8px; font-size: 13px; font-weight: 600; color: #64748b; cursor: pointer; transition: all 0.2s; display: flex; align-items: center; justify-content: center; gap: 6px; white-space: nowrap; }
.campus-tab:hover { background: rgba(99,102,241,0.08); color: #6366f1; }
.campus-tab.active { background: #fff; color: #6366f1; box-shadow: 0 1px 4px rgba(0,0,0,0.1); }
@keyframes pulse { 0%, 100% { opacity:1; } 50% { opacity:0.6; } }
@keyframes pulseGreen { 0%, 100% { box-shadow:0 3px 12px rgba(22,163,74,.4); } 50% { box-shadow:0 3px 20px rgba(22,163,74,.8); } }
@keyframes pulseGlow  { 0%, 100% { box-shadow:0 0 0 0 rgba(16,185,129,.4); } 50% { box-shadow:0 0 0 8px rgba(16,185,129,.0); } }
.foro-avatar { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; color: #fff; flex-shrink: 0; }
.campus-curso-card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.06); border: 1px solid #f1f5f9; transition: transform 0.2s, box-shadow 0.2s; cursor: pointer; }
.campus-curso-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.live-indicator { display: inline-flex; align-items: center; gap: 6px; background: linear-gradient(135deg,#10b981,#059669); color: #fff; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 700; animation: pulse 1.5s ease-in-out infinite; }
#campus-sidebar { background: linear-gradient(180deg,#1e3a5f 0%,#0f172a 100%); }

/* ===== TABS USUARIOS ===== */
.usr-tabs-bar { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.usr-tab-btn { display: flex; align-items: center; gap: 7px; padding: 8px 14px; border-radius: 10px; border: 2px solid #e2e8f0; background: #fff; color: #64748b; font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.18s; position: relative; }
.usr-tab-btn:hover { border-color: var(--tab-color,#2563eb); color: var(--tab-color,#2563eb); background: #f8fafc; }
.usr-tab-btn.active { background: var(--tab-color,#2563eb); border-color: var(--tab-color,#2563eb); color: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.usr-tab-badge { display: inline-flex; align-items: center; justify-content: center; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; background: rgba(255,255,255,0.25); font-size: 11px; font-weight: 700; }
.usr-tab-btn:not(.active) .usr-tab-badge { background: #e2e8f0; color: #475569; }
.ni-est-item:last-child { border-bottom: none !important; }
#ni-est-dropdown { left: 0; }
.ni-search-wrap { position: relative; }
.campus-est-row { transition: box-shadow 0.15s, transform 0.15s; }
.campus-est-row:hover { box-shadow: 0 4px 12px rgba(99,102,241,0.10) !important; transform: translateX(2px); }

/* ===== CHAT LAYOUT ===== */
.chat-layout { display: grid; grid-template-columns: 280px 1fr; gap: 0; border-radius: 12px; overflow: hidden; border: 1px solid #e2e8f0; background: #fff; height: calc(100vh - var(--topbar-h) - 44px); }
.chat-sidebar-panel { overflow-y: auto; border-right: 1px solid #e2e8f0; }
.chat-main-panel { display: flex; flex-direction: column; overflow: hidden; min-height: 0; }

/* ============================================================
   CLASES UTILITARIAS RESPONSIVE
   ============================================================ */
/* Asegurar que table-wrap tenga width:100% */
.table-wrap { width: 100%; }

/* Grid 2 columnas que colapsa en móvil */
.grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
/* Grid cursos-padre: sidebar + contenido principal */
.grid-padre { display: grid; grid-template-columns: minmax(220px, 280px) 1fr; gap: 20px; align-items: start; }
/* Admin mensajes: fila de tabla adaptable */
.admin-msg-row-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* Botones de acción en tabla — no se rompen en 2 líneas antes de tiempo */
.action-btns { display: flex; gap: 4px; align-items: center; justify-content: flex-end; flex-wrap: nowrap; }

/* ============================================================
   RESPONSIVE — Tablet grande (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .g-5 { grid-template-columns: repeat(3,1fr); }
  .grid-padre { grid-template-columns: 1fr; }
}

/* ============================================================
   RESPONSIVE — Tablet / Móvil (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  /* ── Layout ── */
  #sidebar { transform: translateX(-100%); box-shadow: none; }
  #sidebar.open { transform: translateX(0); box-shadow: 4px 0 24px rgba(0,0,0,0.3); }
  #main-content { margin-left: 0; }
  .hamburger { display: flex; }

  /* ── Topbar ── */
  #topbar { padding: 0 12px; gap: 8px; }
  .topbar-title { font-size: 14px; max-width: 160px; }
  .user-info .user-name { display: none; } /* ocultar nombre en topbar */

  /* ── Page content ── */
  #page-content { padding: 12px; }

  /* ── Page header ── */
  .page-header { flex-direction: column; align-items: stretch; gap: 10px; }
  .page-header > div:last-child { display: flex; flex-direction: column; gap: 8px; }
  .page-header .btn { width: 100%; justify-content: center; }

  /* ── Grids ── */
  .dashboard-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 10px; }
  .grid-cards { grid-template-columns: 1fr; }
  .grid-2col { grid-template-columns: 1fr; }
  .grid-padre { grid-template-columns: 1fr; }
  .g-2 { grid-template-columns: 1fr; }
  .g-3 { grid-template-columns: repeat(2,1fr); }
  .g-5 { grid-template-columns: repeat(2,1fr); }
  .g-stat3 { grid-template-columns: repeat(3,1fr); }
  .detail-grid { grid-template-columns: repeat(2,1fr); }

  /* ── Formularios ── */
  .form-row { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .search-bar { min-width: unset; width: 100%; }
  .form-actions { justify-content: stretch; }
  .form-actions .btn { flex: 1; justify-content: center; }

  /* ── Modales ── */
  #modal-overlay { align-items: flex-end; padding: 0; }
  .modal-box, .modal-lg, .modal-xl {
    border-radius: 20px 20px 0 0;
    max-width: 100%;
    max-height: 94vh;
    animation: modalInMobile 0.28s cubic-bezier(0.34,1.2,0.64,1);
  }

  /* ── Notificaciones ── */
  .notif-panel { position: fixed; top: var(--topbar-h); left: 0; right: 0; width: 100%; border-radius: 0 0 14px 14px; }

  /* ── Toast ── */
  #toast-container { right: 8px; left: 8px; bottom: 12px; max-width: unset; }
  .toast { max-width: 100%; }

  /* ── Tabs usuarios ── */
  .usr-tabs-bar { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 4px; scrollbar-width: none; gap: 4px; }
  .usr-tabs-bar::-webkit-scrollbar { display: none; }
  .usr-tab-btn { flex-shrink: 0; padding: 7px 11px; font-size: 12px; }

  /* ── Campus tabs ── */
  .campus-tab { font-size: 12px; padding: 8px 9px; }

  /* ── Botones de acción en tablas ── */
  .action-btns { flex-wrap: wrap; gap: 4px; }

  /* ── Chat ── */
  .chat-layout { grid-template-columns: 1fr; height: auto; min-height: calc(100vh - 120px); }
  .chat-sidebar-panel { height: 220px; border-right: none; border-bottom: 1px solid #e2e8f0; overflow-y: auto; }
  .chat-main-panel { min-height: 400px; }

  /* ── Curso card ── */
  .curso-card { padding: 14px; }
  .curso-actions { gap: 6px; }
  .curso-actions .btn { flex: 1; justify-content: center; font-size: 12px; padding: 7px 10px; }

  /* ── Stat card ── */
  .stat-card { padding: 12px 14px; }

  /* ── Tablas: columnas de acciones compactas ── */
  td .btn-sm { padding: 4px 7px; font-size: 11px; }

  /* ── Card header ── */
  .card-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .card-header > *:last-child { width: 100%; display: flex; gap: 6px; flex-wrap: wrap; }
}

/* ============================================================
   RESPONSIVE — Móvil chico (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  :root { --topbar-h: 54px; }

  /* ── Login ── */
  .login-card { padding: 24px 16px; }

  /* ── Page ── */
  #page-content { padding: 10px; }

  /* ── Topbar ── */
  .topbar-title { max-width: 120px; font-size: 13px; }

  /* ── Stats ── */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-value { font-size: 20px; }
  .stat-icon { width: 32px; height: 32px; font-size: 13px; }
  .stat-card { padding: 10px 12px; }

  /* ── Cards ── */
  .card-body { padding: 12px; }
  .modal-body { padding: 12px; }

  /* ── Tablas ── */
  th, td { padding: 8px 9px; font-size: 12px; }
  td .btn-sm { padding: 3px 6px; font-size: 11px; }

  /* ── Grids ── */
  .g-3, .g-2 { grid-template-columns: 1fr; }
  .g-5 { grid-template-columns: 1fr 1fr; }
  .g-stat3 { grid-template-columns: 1fr; gap: 6px; }
  .detail-grid { grid-template-columns: 1fr 1fr; }
  .grid-2col { grid-template-columns: 1fr; }

  /* ── Curso card ── */
  .curso-info-grid { grid-template-columns: 1fr; }
  .curso-actions .btn { width: 100%; justify-content: center; }

  /* ── Botones ── */
  .btn { padding: 8px 12px; font-size: 13px; }

  /* ── Sidebar ── */
  .sidebar-logo-title { font-size: 13px; }

  /* ── Usuario tabs ── */
  .usr-tab-btn { padding: 6px 10px; font-size: 11px; gap: 5px; }
  .usr-tab-badge { min-width: 16px; height: 16px; font-size: 10px; }

  /* ── Campus tabs ── */
  .campus-tab { font-size: 11px; padding: 7px 8px; gap: 4px; }
  .campus-tab i { font-size: 12px; }

  /* ── Formularios ── */
  .form-control { font-size: 16px; } /* evitar zoom en iOS */
  select.form-control { font-size: 16px; }

  /* ── Chat ── */
  .chat-sidebar-panel { height: 180px; }

  /* ── Page header ── */
  .page-header-left h2 { font-size: 16px; }

  /* ── Card header ── */
  .card-title { font-size: 13px; }
}

/* ============================================================
   RESPONSIVE — Móvil muy chico (≤ 360px)
   ============================================================ */
@media (max-width: 360px) {
  #page-content { padding: 8px; }
  .stats-grid { grid-template-columns: 1fr; }
  .usr-tab-btn { padding: 5px 8px; font-size: 11px; }
  th, td { padding: 7px 8px; font-size: 11px; }
  .btn { padding: 7px 10px; font-size: 12px; }
}

/* ============================================================
   DESKTOP (> 768px) — modal centrado, notif panel derecha
   ============================================================ */
@media (min-width: 769px) {
  #modal-overlay { align-items: center; padding: 20px; }
  .modal-box { border-radius: 14px; max-width: 560px; max-height: 90vh; animation: modalInDesktop 0.2s ease-out; }
  .modal-lg { max-width: 720px; }
  .modal-xl { max-width: 920px; }
  @keyframes modalInDesktop { from { opacity:0; transform:scale(0.95) translateY(-10px); } to { opacity:1; transform:scale(1) translateY(0); } }
  .notif-panel { position: absolute; top: calc(var(--topbar-h) + 4px); right: 20px; left: auto; width: 360px; border-radius: 12px; max-height: 480px; }
}

/* ============================================================
   TABLET PORTRAIT (769px – 1024px)
   ============================================================ */
@media (min-width: 769px) and (max-width: 1024px) {
  #page-content { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(3,1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .g-5 { grid-template-columns: repeat(3,1fr); }
  .chat-layout { grid-template-columns: 240px 1fr; }
  .modal-box { max-width: 540px; }
  .modal-lg { max-width: 700px; }
  .modal-xl { max-width: 860px; }
}

/* ============================================================
   DESKTOP GRANDE (> 1280px)
   ============================================================ */
@media (min-width: 1280px) {
  #page-content { padding: 24px; }
  .g-5 { grid-template-columns: repeat(5,1fr); }
  .stats-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}

/* ============================================================
   MOBILE-FIRST — Tablas → Cards (≤ 768px)
   Patrón: <table class="table-responsive"> convierte cada
   <tr> en una card apilada con data-label en cada <td>.
   ============================================================ */
@media (max-width: 768px) {

  /* ── Wrapper scrollable para tablas SIN clase table-responsive ── */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 10px; }

  /* ── Tablas con .table-responsive: se convierten en cards ── */
  .table-responsive thead { display: none; }
  .table-responsive,
  .table-responsive tbody,
  .table-responsive tr,
  .table-responsive td {
    display: block;
    width: 100%;
  }
  .table-responsive tr {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 10px;
    padding: 4px 0;
    box-shadow: 0 1px 4px rgba(0,0,0,.05);
    overflow: hidden;
  }
  .table-responsive tr:hover { background: #f8fafc; }
  .table-responsive td {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 14px;
    border-bottom: 1px solid #f1f5f9;
    font-size: 13px;
    min-height: 36px;
    word-break: break-word;
  }
  .table-responsive td:last-child { border-bottom: none; }

  /* Label generado desde data-label="" */
  .table-responsive td::before {
    content: attr(data-label);
    flex-shrink: 0;
    width: 110px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: #94a3b8;
    padding-top: 2px;
    line-height: 1.3;
  }

  /* ── Columna de acciones: sin label, centrada ── */
  .table-responsive td.td-actions {
    justify-content: center;
    padding: 10px 14px;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
  }
  .table-responsive td.td-actions::before { display: none; }
  .table-responsive td.td-actions .action-btns { justify-content: center; flex-wrap: wrap; }

  /* ── Fila de paginación: siempre bloque completo ── */
  .table-responsive tr.pagination-row {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    margin-top: 4px;
  }
  .table-responsive tr.pagination-row td { border: none; justify-content: center; }
  .table-responsive tr.pagination-row td::before { display: none; }

  /* ── Menú "..." para múltiples botones de acción ── */
  .btn-more-wrap { position: relative; display: inline-block; }
  .btn-more { background: #f1f5f9; border: 1px solid #e2e8f0; color: #475569; border-radius: 8px; padding: 5px 10px; font-size: 15px; cursor: pointer; line-height: 1; }
  .btn-more:hover { background: #e2e8f0; }
  .btn-more-menu {
    display: none;
    position: absolute;
    right: 0; top: 100%;
    z-index: 200;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0,0,0,.12);
    min-width: 160px;
    padding: 6px 0;
    margin-top: 4px;
  }
  .btn-more-menu.open { display: block; }
  .btn-more-menu .btn {
    display: flex; align-items: center; gap: 8px;
    width: 100%; border-radius: 0; border: none;
    background: transparent; color: #374151;
    padding: 9px 16px; font-size: 13px; font-weight: 500;
    text-align: left; cursor: pointer;
  }
  .btn-more-menu .btn:hover { background: #f8fafc; }
  .btn-more-menu .btn i { width: 16px; text-align: center; font-size: 12px; }
  .btn-more-menu .btn.btn-danger { color: #dc2626; }
  .btn-more-menu .btn.btn-danger:hover { background: #fef2f2; }
  /* Separador visual */
  .btn-more-menu .menu-sep { height: 1px; background: #f1f5f9; margin: 4px 0; }

  /* ── Ocultar botones individuales cuando hay menú "..." ── */
  .hide-on-mobile { display: none !important; }
  .show-on-mobile { display: block !important; }

  /* ── Badge / pill: más compacto ── */
  .badge { font-size: 11px; padding: 3px 8px; }

  /* ── Inputs de búsqueda full-width en filtros ── */
  .filter-bar .search-input { width: 100%; }

  /* ── Tabla de asistencias — ocultar columnas de baja prioridad ── */
  .col-hide-mobile { display: none !important; }

  /* ── Cronograma campus — timeline ajustado ── */
  .timeline-dot { flex-shrink: 0; }
  .timeline-item { gap: 10px; }
  .timeline-content { padding: 10px 12px; }
}

/* ============================================================
   MOBILE CHICO (≤ 480px) — ajustes de tabla-card
   ============================================================ */
@media (max-width: 480px) {
  .table-responsive td::before { width: 90px; font-size: 10px; }
  .table-responsive td { padding: 7px 12px; font-size: 12px; }
  .btn-more-menu { min-width: 148px; }
  .btn-more-menu .btn { padding: 8px 14px; font-size: 12px; }
}

/* ── Toggle switch (formularios config) ─────────────────────── */
.toggle-sw { position:relative; display:inline-block; width:38px; height:22px; cursor:pointer; flex-shrink:0; }
.toggle-sw input { opacity:0; width:0; height:0; position:absolute; }
.toggle-sw-knob { position:absolute; inset:0; background:#cbd5e1; border-radius:11px; transition:.25s; }
.toggle-sw-knob::before { content:''; position:absolute; left:3px; top:3px; width:16px; height:16px; background:#fff; border-radius:50%; transition:.25s; box-shadow:0 1px 3px rgba(0,0,0,.2); }
.toggle-sw input:checked + .toggle-sw-knob { background:#6366f1; }
.toggle-sw input:checked + .toggle-sw-knob::before { transform:translateX(16px); }

/* ============================================================
   PAGE CONTAINER — wrapper general de páginas
   ============================================================ */
.page-container { width: 100%; max-width: 1200px; }
.page-title { font-size: 19px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }

/* ============================================================
   CLASES UTILITARIAS EXTRA — cubren grids inline sin breakpoints
   ============================================================ */

/* Grid 2-col inline → colapsa a 1 col en ≤480px */
.grid-inline-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Grid 3-col inline (dashboards, totales) → 2 cols en ≤768, 1 col en ≤480 */
.grid-inline-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }

/* Grid sidebar+main (1fr 320px) → 1 col en ≤768 */
.responsive-grid-1col { display: grid; grid-template-columns: 1fr 320px; gap: 16px; align-items: start; }

/* Wrapper seguro para CUALQUIER tabla sin .table-wrap explícito */
.table-outer-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; width: 100%; }

/* Calendario semanal — 7 columnas → compacto en mobile */
.cal-week-grid { display: grid; grid-template-columns: repeat(7,1fr); gap: 6px; }

/* Grids de 3 cols fijos en filas de stats inline (horarios, cronogramas) */
.grid-inline-3-stat { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0; }

/* Grid para formularios de 2 columnas dentro de modales */
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Grid tarifa docente: sidebar + tabla */
.grid-tarifa-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }

@media (max-width: 768px) {
  .grid-inline-2 { grid-template-columns: 1fr; }
  .grid-inline-3 { grid-template-columns: repeat(2,1fr); }
  .responsive-grid-1col { grid-template-columns: 1fr; }
  .cal-week-grid { grid-template-columns: repeat(4,1fr); gap: 4px; }
  .grid-inline-3-stat { grid-template-columns: 1fr 1fr 1fr; } /* se mantiene en 768, reduce en 480 */
  .form-grid-2 { grid-template-columns: 1fr; }
  .grid-tarifa-layout { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .grid-inline-2 { grid-template-columns: 1fr; }
  .grid-inline-3 { grid-template-columns: 1fr 1fr; gap: 8px; }
  .cal-week-grid { grid-template-columns: repeat(4,1fr); gap: 3px; }
  /* Reducir tamaño de fuente en celdas del calendario */
  .cal-week-grid > div { font-size: 11px !important; padding: 4px 3px !important; }
  .grid-inline-3-stat { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 360px) {
  .grid-inline-3 { grid-template-columns: 1fr 1fr; gap: 6px; }
}

/* ============================================================
   iOS SAFE AREA (notch / home indicator)
   Evita que el contenido quede tapado por el notch de iPhone
   ============================================================ */
#sidebar { padding-bottom: env(safe-area-inset-bottom, 0px); }
#main-content { padding-bottom: env(safe-area-inset-bottom, 0px); }
#topbar { padding-left: calc(18px + env(safe-area-inset-left, 0px)); padding-right: calc(18px + env(safe-area-inset-right, 0px)); }
#toast-container { bottom: calc(20px + env(safe-area-inset-bottom, 0px)); }

/* ============================================================
   BOTONES DE PAGO (Mis Cuotas — campus)
   Asegurar que MP/Transferencia no se salgan en mobile
   ============================================================ */
.cuota-pago-btns { display: flex; gap: 4px; align-items: center; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   RESUMEN CUOTAS — badges del header
   ============================================================ */
.cuotas-resumen { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.cuota-res-card { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 10px; padding: 10px 16px; text-align: center; flex: 1; min-width: 70px; }

/* ============================================================
   TABLA CUOTAS CAMPUS — overflow seguro en todos los tamaños
   ============================================================ */
.cuotas-tabla-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.cuotas-tabla-wrap table { min-width: 480px; }

/* ============================================================
   SIDEBAR CAMPUS — ajustes de ancho en escritorio muy angosto
   ============================================================ */
@media (max-width: 320px) {
  :root { --sidebar-w: 220px; }
  .sidebar-logo-title { font-size: 12px; }
  .nav-item { padding: 8px 10px; font-size: 12px; }
  .sidebar-footer { padding: 8px; }
}

/* ============================================================
   BLOQUE WA — adaptación a pantallas muy chicas
   ============================================================ */
@media (max-width: 480px) {
  .wa-bloque-footer { flex-direction: column; gap: 10px; }
  .wa-bloque-footer a { width: 100%; justify-content: center; }
}

/* ============================================================
   TOPBAR ACTIONS — no colapsar en mobile
   ============================================================ */
.topbar-actions { gap: 6px; }

/* ============================================================
   CAMPUS: tabla de cuotas — columnas compactas en mobile
   ============================================================ */
@media (max-width: 768px) {
  .cuotas-tabla-wrap table { min-width: 400px; }
  .cuota-num-col { width: 32px; }
}
@media (max-width: 480px) {
  .cuotas-tabla-wrap table { min-width: 340px; font-size: 12px; }
  .cuotas-tabla-wrap th, .cuotas-tabla-wrap td { padding: 5px 7px !important; }
  .cuotas-tabla-wrap .btn { padding: 4px 8px; font-size: 11px; }
}

/* ============================================================
   FILTER BAR — en mobile en columna y full-width
   ============================================================ */
@media (max-width: 768px) {
  .filter-bar { gap: 6px; }
  .filter-bar select, .filter-bar input { min-width: 0; flex: 1; }
}

/* ============================================================
   PAGE HEADER — botones full width en mobile (ya hay regla arriba,
   reforzar para el selector más específico usado en campus)
   ============================================================ */
@media (max-width: 768px) {
  .page-container .page-header { flex-direction: column; align-items: stretch; }
  .page-title { font-size: 16px; }
}
@media (max-width: 480px) {
  .page-title { font-size: 15px; }
  .cuota-res-card { padding: 8px 10px; min-width: 60px; }
}

/* ============================================================
   GESTIÓN ESCOLAR — responsive específico
   ============================================================ */
.ge-cal-layout {
  display: flex;
  flex-direction: row;
  gap: 16px;
  align-items: flex-start;
}
.ge-cal-detalle-panel {
  width: 300px;
  flex-shrink: 0;
  position: sticky;
  top: 80px;
}
.ge-tabs-bar {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  display: flex;
  gap: 0;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 0;
  margin-bottom: 20px;
}
.ge-tabs-bar::-webkit-scrollbar { display: none; }

/* Filtros de GE — selects sin min-width fijo */
#ge-res-coord, #ge-fil-coord, #ge-fil-estado, #ge-fil-mes,
#ge-liq-coord, #ge-liq-mes, #ge-liq-anio,
#ge-doc-coord, #ge-doc-mes, #ge-doc-anio {
  min-width: 0 !important;
}

@media (max-width: 768px) {
  .ge-tab-label { display: none; }
  .ge-tab-btn { padding: 10px 12px !important; font-size: 13px !important; }
  .ge-cal-layout { flex-direction: column !important; }
  .ge-cal-detalle-panel {
    width: 100% !important;
    position: static !important;
    top: auto !important;
  }
  /* Filtros en columna única */
  .ge-filters-row {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
  }
  .ge-filters-row select,
  .ge-filters-row input,
  .ge-filters-row button {
    width: 100% !important;
    min-width: 0 !important;
  }
  #ge-res-coord, #ge-fil-coord, #ge-fil-estado, #ge-fil-mes,
  #ge-liq-coord, #ge-liq-mes, #ge-liq-anio,
  #ge-doc-coord, #ge-doc-mes, #ge-doc-anio {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
  }
}
@media (max-width: 480px) {
  .ge-tab-btn { padding: 10px 10px !important; }
  #ge-cal-titulo { font-size: 15px !important; }
  .ge-cal-layout { gap: 10px !important; }
}