:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --panel-soft: #f8fbff;
  --text: #182233;
  --muted: #6b778c;
  --primary: #0b4a6f;
  --primary-2: #106d96;
  --accent: #17a2b8;
  --success: #16815f;
  --danger: #c43d4d;
  --warning: #b7791f;
  --border: #dfe7f1;
  --shadow: 0 20px 60px rgba(21, 35, 61, 0.12);
  --radius: 18px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
button, input, select, textarea { font: inherit; }
.hidden { display: none !important; }

.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 42px;
  align-items: center;
  padding: 48px;
  background:
    radial-gradient(circle at top left, rgba(23,162,184,0.22), transparent 34%),
    linear-gradient(135deg, #eff8fc 0%, #f8fbff 48%, #ecf3f9 100%);
}
.login-hero {
  color: var(--text);
  animation: floatIn .7s ease both;
}
.hero-badge {
  display: inline-flex;
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--primary);
  background: rgba(16,109,150,0.1);
  border: 1px solid rgba(16,109,150,0.16);
  font-weight: 700;
  letter-spacing: .02em;
}
.login-hero h1 {
  font-size: clamp(38px, 6vw, 76px);
  line-height: .98;
  margin: 22px 0 18px;
  letter-spacing: -0.05em;
}
.login-hero p {
  max-width: 760px;
  font-size: 18px;
  color: var(--muted);
  line-height: 1.65;
}
.hero-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.hero-cards div {
  padding: 22px;
  background: rgba(255,255,255,0.78);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 12px 30px rgba(11,74,111,0.08);
}
.hero-cards strong { display: block; color: var(--primary); margin-bottom: 6px; }
.hero-cards span { color: var(--muted); font-size: 14px; }

.login-card {
  background: rgba(255,255,255,0.88);
  border: 1px solid var(--border);
  border-radius: 30px;
  box-shadow: var(--shadow);
  padding: 34px;
  backdrop-filter: blur(12px);
  animation: floatIn .8s .12s ease both;
}
.login-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.login-header h2 { margin: 0; font-size: 28px; }
.login-header p { margin: 5px 0 0; color: var(--muted); }
.brand-mark {
  width: 46px;
  height: 46px;
  display: inline-grid;
  place-items: center;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(11,74,111,0.24);
}
.stack-form { display: grid; gap: 16px; }
.stack-form label { display: grid; gap: 8px; font-weight: 700; color: #344055; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  padding: 12px 14px;
  color: var(--text);
  outline: none;
  transition: .2s;
}
textarea { min-height: 92px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  border-color: rgba(16,109,150,0.55);
  box-shadow: 0 0 0 4px rgba(16,109,150,0.11);
}
.demo-box {
  margin-top: 22px;
  padding: 15px;
  background: var(--panel-soft);
  border: 1px dashed #c7d8e6;
  border-radius: 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}
.demo-box p { margin: 4px 0; }

.btn {
  border: 0;
  border-radius: 13px;
  padding: 11px 16px;
  background: #e9eef6;
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
  transition: .2s;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}
.btn:hover { transform: translateY(-1px); filter: brightness(.98); }
.btn.primary { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-2)); }
.btn.success { color: #fff; background: var(--success); }
.btn.danger { color: #fff; background: var(--danger); }
.btn.warning { color: #fff; background: var(--warning); }
.btn.small { padding: 8px 11px; border-radius: 10px; font-size: 13px; }
.icon-btn { border: 0; background: #edf3f9; border-radius: 12px; padding: 10px 13px; display: none; }

.app { display: grid; grid-template-columns: 290px 1fr; min-height: 100vh; }
.sidebar {
  background: #0b2435;
  color: #dbe8f1;
  padding: 22px;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 20;
}
.sidebar-brand { display: flex; gap: 12px; align-items: center; padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.sidebar-brand h3 { margin: 0; color: #fff; }
.sidebar-brand small { color: #9cb3c4; }
.menu { margin-top: 18px; display: grid; gap: 8px; overflow-y: auto; padding-right: 5px; }
.menu button {
  width: 100%;
  border: 0;
  padding: 12px 14px;
  border-radius: 13px;
  background: transparent;
  color: #cddcea;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 700;
  text-align: left;
}
.menu button:hover, .menu button.active { background: rgba(255,255,255,0.09); color: #fff; }
.sidebar-footer { margin-top: auto; color: #94a8b8; border-top: 1px solid rgba(255,255,255,0.08); padding-top: 16px; }
.main-panel { min-width: 0; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 82px;
  background: rgba(244,247,251,0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 28px;
}
.topbar h2 { margin: 0; font-size: 24px; }
.topbar p { margin: 4px 0 0; color: var(--muted); }
.user-chip { display: flex; align-items: center; gap: 12px; }
.user-chip span {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
}
.user-chip small { display: block; color: var(--muted); text-transform: capitalize; }
.content { padding: 28px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(21,35,61,.06);
  padding: 22px;
  margin-bottom: 22px;
}
.panel-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.panel-header h3 { margin: 0; font-size: 20px; }
.panel-header p { margin: 5px 0 0; color: var(--muted); }
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat-card {
  padding: 19px;
  background: linear-gradient(180deg, #fff, #f8fbff);
  border: 1px solid var(--border);
  border-radius: 18px;
}
.stat-card span { color: var(--muted); font-weight: 700; font-size: 13px; }
.stat-card strong { display: block; margin-top: 8px; font-size: 30px; color: var(--primary); }
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 16px; background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 820px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; font-size: 14px; }
th { position: sticky; top: 0; z-index: 1; background: #f2f6fb; color: #354158; font-size: 13px; text-transform: uppercase; letter-spacing: .03em; }
tr:hover td { background: #fbfdff; }
.badge { display: inline-flex; padding: 5px 9px; border-radius: 999px; background: #edf3f9; color: #435269; font-weight: 800; font-size: 12px; text-transform: capitalize; }
.badge.active, .badge.published, .badge.enrolled { background: #e5f7ef; color: var(--success); }
.badge.inactive, .badge.draft, .badge.dropped, .badge.not_entered { background: #fff0f1; color: var(--danger); }
.action-row { display: flex; gap: 8px; flex-wrap: wrap; }
.form-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; align-items: end; }
.form-grid label { display: grid; gap: 7px; font-weight: 700; color: #344055; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; align-items: center; }
.toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.search-input { max-width: 320px; }
.notice-card { padding: 18px; border: 1px solid var(--border); border-radius: 16px; background: #fff; margin-bottom: 12px; }
.notice-card h4 { margin: 0 0 6px; }
.notice-card p { margin: 0; color: var(--muted); line-height: 1.55; }
.transcript-header { display: flex; justify-content: space-between; gap: 18px; border-bottom: 2px solid var(--border); padding-bottom: 16px; margin-bottom: 18px; }
.transcript-title h2 { margin: 0; color: var(--primary); }
.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 999;
  display: none;
  padding: 14px 17px;
  border-radius: 14px;
  color: #fff;
  background: #1d2736;
  box-shadow: var(--shadow);
  max-width: 380px;
}
.toast.show { display: block; animation: toastIn .25s ease both; }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.empty { text-align: center; color: var(--muted); padding: 26px; }
.loading { color: var(--muted); padding: 26px; text-align: center; }

@keyframes floatIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes toastIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

@media (max-width: 1100px) {
  .login-page { grid-template-columns: 1fr; padding: 28px; }
  .hero-cards, .stat-grid, .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: -310px; width: 290px; transition: .25s; }
  .sidebar.open { left: 0; }
  .icon-btn { display: inline-flex; }
}
@media (max-width: 720px) {
  .login-page { padding: 18px; }
  .login-card { padding: 24px; }
  .hero-cards, .stat-grid, .grid.cols-2, .grid.cols-3, .grid.cols-4, .form-grid { grid-template-columns: 1fr; }
  .topbar { height: auto; padding: 14px; align-items: flex-start; flex-wrap: wrap; }
  .content { padding: 16px; }
  .panel-header, .transcript-header { flex-direction: column; }
  .user-chip { width: 100%; justify-content: space-between; }
}

@media print {
  body { background: #fff; }
  .sidebar, .topbar, .no-print, .toast { display: none !important; }
  .app { display: block; }
  .content { padding: 0; }
  .panel { box-shadow: none; border: 0; padding: 0; }
  table { min-width: 0; }
}