/* ============================================================
   Scormsee — design tokens
   ============================================================ */
:root {
  --navy-900: #0F1B2D;
  --navy-800: #16253C;
  --navy-700: #1E3050;
  --bg: #F5F6F8;
  --surface: #FFFFFF;
  --border: #E3E6EC;
  --ink: #10182B;
  --muted: #66707F;
  --accent: #3457D5;
  --accent-dark: #2842AD;
  --success: #1B8A5A;
  --success-bg: #E4F5EC;
  --warning: #B5750B;
  --warning-bg: #FBF0DC;
  --danger: #C1392B;
  --danger-bg: #FBEAE8;
  --info-bg: #E7EDFB;

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius: 10px;
  --shadow-card: 0 1px 2px rgba(16, 24, 43, 0.04), 0 1px 8px rgba(16, 24, 43, 0.04);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 4px;
}

/* ============================================================
   App shell: sidebar + main
   ============================================================ */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--navy-900);
  color: #E7EAF2;
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar .brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  padding: 6px 10px 22px;
}
.brand-mark { color: #7C97F2; display: flex; }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #AEB8CC;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 9px 12px;
  border-radius: 7px;
  transition: background 0.12s, color 0.12s;
}
.sidebar-nav a svg { flex-shrink: 0; opacity: 0.85; }
.sidebar-nav a:hover { background: var(--navy-700); color: #fff; }
.sidebar-nav a.active { background: var(--accent); color: #fff; }
.sidebar-nav a.active svg { opacity: 1; }

.sidebar-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lang-switcher {
  display: flex;
  gap: 4px;
  padding: 10px 8px 4px;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 6px;
}
.lang-switcher a {
  flex: 1;
  text-align: center;
  padding: 6px 4px;
  border-radius: 6px;
  color: #8A93A8;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: background 0.12s, color 0.12s;
}
.lang-switcher a:hover { background: var(--navy-700); color: #fff; }
.lang-switcher a.active { background: var(--accent); color: #fff; }

.user-chip { display: flex; align-items: center; gap: 10px; padding: 0 8px; }
.user-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 600; font-size: 0.85rem;
  flex-shrink: 0;
}
.user-meta { display: flex; flex-direction: column; line-height: 1.25; font-size: 0.85rem; }
.user-meta strong { color: #fff; font-weight: 600; }
.user-meta .muted { color: #8A93A8; font-size: 0.75rem; }

.logout-link {
  display: flex; align-items: center; gap: 8px;
  color: #AEB8CC; text-decoration: none; font-size: 0.85rem;
  padding: 8px 10px; border-radius: 7px; transition: background 0.12s, color 0.12s;
}
.logout-link:hover { background: var(--navy-700); color: #fff; }

.app-main { flex: 1; min-width: 0; }
.container { max-width: 1080px; margin: 0 auto; padding: 32px 36px 60px; }

/* ============================================================
   Auth shell (login / registro — sin sidebar)
   ============================================================ */
.auth-shell {
  flex-direction: column;
  gap: 14px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-900);
  background-image: radial-gradient(circle at 15% 15%, rgba(52, 87, 213, 0.35), transparent 45%),
                     radial-gradient(circle at 85% 85%, rgba(27, 138, 90, 0.25), transparent 45%);
  padding: 24px;
}

.auth-lang-switcher {
  position: fixed;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 4px;
  z-index: 5;
}
.auth-lang-switcher a {
  padding: 6px 10px;
  border-radius: 6px;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: rgba(255,255,255,0.06);
  transition: background 0.12s, color 0.12s;
}
.auth-lang-switcher a:hover { background: rgba(255,255,255,0.14); color: #fff; }
.auth-lang-switcher a.active { background: var(--accent); color: #fff; }

/* ============================================================
   Page header + signature gradient rule
   ============================================================ */
.page-header { margin-bottom: 26px; }
.page-header h1 { font-size: 1.5rem; }
.page-header .rule {
  width: 46px; height: 3px; border-radius: 2px; margin: 10px 0 0;
  background: linear-gradient(90deg, var(--accent), var(--success));
}
.page-header .subtitle { color: var(--muted); font-size: 0.9rem; margin-top: 8px; }
.page-header-row { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 12px; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.back-link:hover { color: var(--accent); }

/* ============================================================
   Cards / forms
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border-radius: 14px;
  padding: 34px 32px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.auth-card .brand-mark-lg {
  color: var(--accent);
  margin-bottom: 14px;
  display: flex;
}
.auth-card h1 { font-size: 1.35rem; margin-bottom: 4px; }
.auth-card .subtitle { color: var(--muted); font-size: 0.88rem; margin-bottom: 20px; }

label { display: block; margin: 14px 0 5px; font-size: 0.82rem; font-weight: 600; color: var(--ink); }
label:first-of-type { margin-top: 0; }

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 0.92rem;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--surface);
  transition: border-color 0.12s, box-shadow 0.12s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(52, 87, 213, 0.15);
}
input[type="file"] { padding: 8px; font-size: 0.85rem; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.87rem;
  margin-top: 12px;
  transition: background 0.12s, border-color 0.12s, transform 0.05s;
}
.btn:hover { border-color: #C7CCD8; background: #FAFBFC; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-small { padding: 6px 12px; font-size: 0.78rem; margin-top: 0; }
.btn-approve { background: var(--success); color: #fff; border-color: var(--success); }
.btn-approve:hover { background: #146B45; border-color: #146B45; }
.btn-danger { background: var(--surface); color: var(--danger); border-color: #F0C9C4; }
.btn-danger:hover { background: var(--danger-bg); border-color: var(--danger); }
.btn-block { width: 100%; justify-content: center; margin-top: 18px; }

/* ============================================================
   Flash messages
   ============================================================ */
.flash-container { margin-bottom: 18px; display: flex; flex-direction: column; gap: 8px; }
.flash { padding: 11px 14px; border-radius: 7px; font-size: 0.87rem; font-weight: 500; }
.flash-success { background: var(--success-bg); color: #145C3D; }
.flash-danger { background: var(--danger-bg); color: #8C2A1F; }
.flash-info { background: var(--info-bg); color: #2842AD; }
.no-shell .flash-container { max-width: 400px; margin: 0 auto 16px; }

.muted { color: var(--muted); font-size: 0.85rem; }

/* ============================================================
   Tables
   ============================================================ */
.scorm-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.scorm-table th, .scorm-table td { padding: 13px 16px; border-bottom: 1px solid var(--border); text-align: left; font-size: 0.87rem; }
.scorm-table th { background: #FAFBFC; font-weight: 600; color: var(--muted); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.04em; }
.scorm-table tr:last-child td { border-bottom: none; }
.scorm-table a { color: var(--ink); text-decoration: none; font-weight: 600; }
.scorm-table a:hover { color: var(--accent); }
.scorm-table .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ============================================================
   Badges
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}
.badge-approved { background: var(--success-bg); color: var(--success); }
.badge-pending { background: var(--warning-bg); color: var(--warning); }
.badge-location { background: var(--info-bg); color: var(--accent-dark); margin-left: 8px; font-family: var(--font-body); font-weight: 500; }
.badge-version { background: #EEF0F4; color: var(--muted); font-family: var(--font-mono); }

/* ============================================================
   Dashboard cards (cliente)
   ============================================================ */
.scorm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; }
.scorm-card { display: flex; flex-direction: column; }
.scorm-card h3 { font-size: 1.05rem; }
.scorm-card .badge { margin-top: 10px; align-self: flex-start; }
.card-actions { margin-top: 16px; display: flex; gap: 8px; }

.empty-state {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
}

/* ============================================================
   Vista de SCORM: reproductor + comentarios
   ============================================================ */
.scorm-view-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.scorm-view-header .btn, .scorm-view-header form { margin-top: 0; }
.scorm-view-header .actions-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.scorm-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; align-items: start; }
.scorm-player { background: var(--navy-900); border-radius: var(--radius); overflow: hidden; height: min(80vh, 760px); box-shadow: var(--shadow-card); }
.scorm-player iframe { width: 100%; height: 100%; border: 0; }

.scorm-comments {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  height: min(80vh, 760px);
  overflow-y: auto;
  box-shadow: var(--shadow-card);
}
.scorm-comments h2 { font-size: 1rem; margin-bottom: 14px; }
.comment-form { margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.comment-form textarea { resize: vertical; }
.comment-list { list-style: none; padding: 0; margin: 0; }
.comment { padding: 12px 0; border-bottom: 1px solid var(--border); }
.comment:last-child { border-bottom: none; }
.comment-resolved { opacity: 0.55; }
.comment-meta { display: flex; gap: 8px; align-items: center; font-size: 0.82rem; margin-bottom: 5px; flex-wrap: wrap; }
.comment p { margin: 0 0 8px; font-size: 0.9rem; line-height: 1.45; }
.comment form { margin: 0; }

/* ============================================================
   Topbar mobile + menu off-canvas (oculto en desktop)
   ============================================================ */
.mobile-topbar { display: none; }
.sidebar-overlay { display: none; }

@media (max-width: 860px) {
  .app-shell { flex-direction: column; }

  .mobile-topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--navy-900);
    padding: 12px 16px;
    position: sticky;
    top: 0;
    z-index: 40;
  }
  .mobile-topbar .brand { padding: 0; color: #fff; font-family: var(--font-display); font-weight: 700; display: flex; align-items: center; gap: 8px; text-decoration: none; }
  .mobile-topbar .brand-mark { color: #7C97F2; display: flex; }

  .hamburger-btn {
    background: none;
    border: none;
    color: #fff;
    padding: 4px;
    display: flex;
    cursor: pointer;
  }

  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 27, 45, 0.5);
    z-index: 45;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s;
  }
  .sidebar-overlay.visible { opacity: 1; pointer-events: auto; }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 260px;
    max-width: 82vw;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 50;
  }
  .sidebar.open { transform: translateX(0); }

  .app-main { width: 100%; }
  .container { padding: 20px 16px 48px; }
  .scorm-layout { grid-template-columns: 1fr; }
  .scorm-player { height: 56vw; min-height: 220px; max-height: 420px; }
  .scorm-comments { height: auto; max-height: 480px; }
  .page-header h1 { font-size: 1.25rem; }
  .scorm-view-header h1 { font-size: 1.1rem !important; }

  /* Tablas: scroll horizontal en vez de romper el layout */
  .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .scorm-table { min-width: 640px; }
}

@media (max-width: 480px) {
  .auth-card { padding: 28px 22px; }
  .card { padding: 18px; }
}