/* ═══════════════════════════════════════════════════════════════
   XpLearning - Education Application System
   Typography: Noto Sans KR + JetBrains Mono
   Aesthetic: Clean enterprise with depth and polish
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Noto+Sans+KR:wght@300;400;500;600;700;800;900&display=swap');

/* ─── Design Tokens ─── */

:root {
  /* Colors */
  --navy:       #1a3a6b;
  --blue:       #2E5FAC;
  --blue-light: #4a7fd4;
  --sidebar-bg: #162d55;
  --sidebar-hover: #1e3d6e;

  --erp-bg:     #EEF4FF;
  --erp-border: #93C5FD;

  --success-bg:    #EAF7EE;
  --success-text:  #276749;
  --success-border:#86EFAC;

  --warn-bg:    #FFFBEB;
  --warn-text:  #92400E;
  --warn-border:#FCD34D;

  --error-bg:   #FEF2F2;
  --error-text: #991B1B;
  --error-border:#FCA5A5;

  --field-bg:   #F4F6FA;
  --border:     #E2E8F0;
  --content-bg: #F8FAFD;
  --dark-text:  #1A202C;
  --gray-text:  #A0AEC0;
  --white:      #FFFFFF;

  /* Badge colors */
  --badge-blue-bg: #EEF4FF;
  --badge-blue-text: #2E5FAC;
  --badge-purple-bg: #F3EEFF;
  --badge-purple-text: #6D28D9;
  --badge-green-bg: #ECFDF5;
  --badge-green-text: #065F46;

  /* Spacing */
  --xs: 4px;
  --sm: 8px;
  --md: 14px;
  --lg: 20px;
  --xl: 28px;

  /* Radii */
  --r-card:  10px;
  --r-input: 8px;
  --r-badge: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(26,58,107,.06), 0 1px 2px rgba(26,58,107,.04);
  --shadow-md: 0 4px 14px rgba(26,58,107,.08), 0 2px 6px rgba(26,58,107,.04);
  --shadow-lg: 0 12px 40px rgba(26,58,107,.12), 0 4px 12px rgba(26,58,107,.06);
  --shadow-xl: 0 20px 60px rgba(26,58,107,.16);

  /* Typography */
  --font-sans: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Layout */
  --sidebar-w: 240px;
  --topbar-h:  60px;
}

/* ─── Reset & Base ─── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--dark-text);
  background: var(--content-bg);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ─── App Transition ─── */

#app {
  opacity: 1;
  transition: opacity .15s ease;
}
#app.app--transitioning { opacity: 0; }

/* ─── Page Enter Animation ─── */

.page-enter {
  animation: pageSlideIn .35s ease both;
}
@keyframes pageSlideIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════
   LOGIN PAGE
   ═══════════════════════════════════════ */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 32px 16px;
  position: relative;
}

.login-page__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(46,95,172,.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(22,45,85,.08) 0%, transparent 50%),
    linear-gradient(160deg, #f0f4fa 0%, #e8edf5 40%, #dde5f0 100%);
  z-index: 0;
}

/* Subtle grid pattern */
.login-page__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,58,107,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,58,107,.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.login-card {
  position: relative;
  z-index: 1;
  width: 400px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: loginCardIn .5s ease both;
}
@keyframes loginCardIn {
  from { opacity: 0; transform: translateY(24px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.login-card__header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--sidebar-bg) 100%);
  padding: 36px 32px 28px;
  text-align: center;
}

.login-card__logo {
  font-size: 28px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.5px;
}

.login-card__sub {
  font-size: 12px;
  color: rgba(255,255,255,.6);
  margin-top: 4px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.login-card__body {
  padding: 32px;
}

.login-card__body form {
  display: flex;
  flex-direction: column;
  gap: var(--md);
}

[data-org-card] summary::-webkit-details-marker { display: none; }
[data-org-card] details[open] .brand-toggle-icon { transform: rotate(90deg); }

.login-card__body .form-grid {
  margin-bottom: 0;
}

.login-card__erp-badge {
  display: inline-block;
  background: var(--erp-bg);
  color: var(--blue);
  font-size: 10.5px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--r-badge);
  border: 1px solid var(--erp-border);
  margin-bottom: 24px;
}

.login-card__hint {
  margin-top: 20px;
  font-size: 11px;
  color: var(--gray-text);
  text-align: center;
}

/* ═══════════════════════════════════════
   SHELL LAYOUT
   ═══════════════════════════════════════ */

.shell {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar ─── */

.sidebar {
  width: var(--sidebar-w);
  background: linear-gradient(180deg, var(--sidebar-bg) 0%, #0f2140 100%);
  color: var(--white);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform .25s ease;
}

.sidebar__brand {
  padding: 20px 24px;
  display: flex;
  align-items: baseline;
  gap: 4px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.sidebar__logo {
  font-size: 22px;
  font-weight: 900;
  color: #93C5FD;
  letter-spacing: -1px;
}

.sidebar__title {
  font-size: 16px;
  font-weight: 600;
  opacity: .85;
}

.sidebar__nav {
  flex: 1;
  padding: var(--md) var(--sm);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border-radius: var(--r-input);
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,.7);
  transition: all .15s ease;
}

.sidebar__link:hover {
  background: var(--sidebar-hover);
  color: var(--white);
}

.sidebar__link--active {
  background: rgba(46,95,172,.35);
  color: var(--white);
  font-weight: 600;
  box-shadow: inset 3px 0 0 #93C5FD;
}

.sidebar__icon {
  font-size: 15px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar__footer {
  padding: var(--md) var(--lg);
  border-top: 1px solid rgba(255,255,255,.08);
}

.sidebar__admin-link {
  display: inline-block;
  font-size: 10px;
  color: rgba(255,255,255,.2);
  font-weight: 400;
  margin-bottom: 6px;
  transition: color .15s;
}

.sidebar__admin-link:hover {
  color: rgba(255,255,255,.45);
}

.sidebar__admin-link--active {
  color: rgba(255,255,255,.4);
}

.sidebar__version {
  font-size: 10px;
  color: rgba(255,255,255,.3);
  font-family: var(--font-mono);
}

/* ─── Main Area ─── */

.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ─── Topbar ─── */

.topbar {
  height: var(--topbar-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--xl);
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,.03);
}

.topbar__left {
  display: flex;
  align-items: center;
  gap: var(--md);
}

.topbar__hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--navy);
  padding: 4px;
}

.topbar__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
}

.topbar__sub {
  font-size: 11px;
  color: var(--gray-text);
  font-weight: 400;
}

.topbar__right {
  display: flex;
  align-items: center;
  gap: var(--md);
}

.topbar__user {
  font-size: 12px;
  font-weight: 600;
  color: var(--dark-text);
}

/* ─── Content ─── */

.content {
  flex: 1;
  padding: var(--xl) 40px;
  max-width: 1400px;
  width: 100%;
}

/* ═══════════════════════════════════════
   COMPONENTS
   ═══════════════════════════════════════ */

/* ─── Banner ─── */

.banner {
  padding: 12px 18px;
  border-radius: var(--r-input);
  font-size: 12.5px;
  font-weight: 500;
  margin-bottom: var(--lg);
  border: 1px solid;
  line-height: 1.5;
}

.banner--success {
  background: var(--success-bg);
  color: var(--success-text);
  border-color: var(--success-border);
}

.banner--success span {
  font-weight: 700;
}

.banner--warning {
  background: var(--warn-bg);
  color: var(--warn-text);
  border-color: var(--warn-border);
}

.banner--error {
  background: var(--error-bg);
  color: var(--error-text);
  border-color: var(--error-border);
}

/* ─── Card ─── */

.card {
  background: var(--white);
  border-radius: var(--r-card);
  border: 1px solid var(--border);
  padding: var(--xl);
  box-shadow: var(--shadow-sm);
}

.card + .card { margin-top: var(--lg); }

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--lg);
  flex-wrap: wrap;
  gap: var(--sm);
}

.card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--lg);
}

.card__header .card__title {
  margin-bottom: 0;
}

/* ─── Form ─── */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--lg) var(--xl);
  margin-bottom: var(--lg);
}

.form-group { display: flex; flex-direction: column; gap: var(--xs); }

.form-label {
  font-size: 10.5px;
  font-weight: 700;
  color: #4A5568;
  text-transform: uppercase;
  letter-spacing: .5px;
  display: flex;
  align-items: center;
  gap: var(--sm);
}

.required { color: #E53E3E; font-weight: 700; }

.form-input {
  height: 40px;
  padding: 0 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-input);
  background: var(--field-bg);
  font-size: 13px;
  color: var(--dark-text);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.form-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(46,95,172,.1);
  background: var(--white);
}

.form-input::placeholder { color: #CBD5E0; }

.form-input[readonly] {
  cursor: default;
}

.form-input--erp {
  background: var(--erp-bg);
  border-color: var(--erp-border);
  color: var(--blue);
  font-weight: 600;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%23A0AEC0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-error {
  font-size: 11px;
  color: var(--error-text);
  font-weight: 500;
  min-height: 0;
}

.erp-badge {
  display: inline-block;
  background: var(--erp-bg);
  color: var(--blue);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--r-badge);
  border: 1px solid var(--erp-border);
  text-transform: uppercase;
  letter-spacing: .3px;
}

/* ─── Section Label ─── */

.section-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--md);
  display: flex;
  align-items: center;
  gap: var(--sm);
}

/* ─── Course Cards ─── */

.course-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--md);
  margin-bottom: var(--xl);
}

.course-card {
  position: relative;
  border: 2px solid var(--border);
  border-radius: var(--r-card);
  padding: 22px 18px;
  text-align: center;
  cursor: pointer;
  transition: all .2s ease;
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.course-card:hover {
  border-color: #93C5FD;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.course-card--selected {
  border-color: var(--blue);
  background: var(--erp-bg);
  box-shadow: 0 0 0 3px rgba(46,95,172,.12);
}

.course-card--selected:hover {
  border-color: var(--blue);
}

.course-card__icon {
  font-size: 28px;
  margin-bottom: 4px;
}

.course-card__name {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
}

.course-card__desc {
  font-size: 11px;
  color: var(--gray-text);
  font-weight: 400;
}

.course-card__check {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--border);
  color: var(--white);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s ease;
}

.course-card--selected .course-card__check {
  background: var(--blue);
}

/* ─── Buttons ─── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sm);
  padding: 0 20px;
  height: 38px;
  border-radius: var(--r-input);
  font-size: 13px;
  font-weight: 600;
  border: none;
  transition: all .15s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 2px 6px rgba(46,95,172,.25);
}
.btn--primary:hover { background: var(--blue-light); }
.btn--primary:active { transform: scale(.98); }
.btn--primary:disabled {
  opacity: .6;
  cursor: not-allowed;
}

.btn--secondary {
  background: var(--field-bg);
  color: var(--dark-text);
  border: 1px solid var(--border);
}
.btn--secondary:hover { background: var(--border); }

.btn--ghost {
  background: transparent;
  color: var(--gray-text);
  border: 1px solid var(--border);
}
.btn--ghost:hover { background: var(--field-bg); color: var(--dark-text); }

.btn--danger {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FCA5A5;
}
.btn--danger:hover { background: #DC2626; color: var(--white); }

.btn--sm { height: 30px; padding: 0 12px; font-size: 11px; }
.btn--lg { height: 44px; padding: 0 32px; font-size: 14px; }
.btn--full { width: 100%; }

.btn__spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form-actions {
  display: flex;
  justify-content: flex-end;
  padding-top: var(--md);
}

/* ─── Search Bar ─── */

.search-bar {
  display: flex;
  gap: var(--sm);
  margin-bottom: var(--lg);
  max-width: 420px;
}

.search-bar .form-input { flex: 1; }

/* ─── Data Table ─── */

.table-wrap {
  overflow-x: auto;
  margin-top: var(--md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.data-table thead {
  background: var(--field-bg);
}

.data-table th {
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  font-size: 10.5px;
  color: #4A5568;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background .1s ease;
}

.data-table tbody tr:hover {
  background: #FAFBFE;
}

.td-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray-text);
}

.data-table code {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--field-bg);
  padding: 2px 7px;
  border-radius: 4px;
  color: var(--blue);
  font-weight: 500;
}

/* ─── Badge ─── */

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--r-badge);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .3px;
  white-space: nowrap;
}

.badge--blue {
  background: var(--badge-blue-bg);
  color: var(--badge-blue-text);
}

.badge--purple {
  background: var(--badge-purple-bg);
  color: var(--badge-purple-text);
}

.badge--green {
  background: var(--badge-green-bg);
  color: var(--badge-green-text);
}

/* ─── Stats Grid ─── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--lg);
  margin-bottom: var(--xl);
}

.stats-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.stat-card {
  background: var(--white);
  border-radius: var(--r-card);
  padding: 22px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.stat-card--blue::after   { background: var(--blue); }
.stat-card--purple::after  { background: #7C3AED; }
.stat-card--green::after   { background: #065F46; }
.stat-card--open::after    { background: #16A34A; }
.stat-card--orange::after  { background: #EA580C; }

.stat-card__label {
  font-size: 12px;
  font-weight: 600;
  color: #4A5568;
  margin-bottom: var(--sm);
}

.stat-card__value {
  font-size: 36px;
  font-weight: 800;
  font-family: var(--font-mono);
  letter-spacing: -1px;
}

.stat-card--blue .stat-card__value   { color: var(--blue); }
.stat-card--purple .stat-card__value  { color: #7C3AED; }
.stat-card--green .stat-card__value   { color: #065F46; }
.stat-card--open .stat-card__value    { color: #16A34A; }
.stat-card--orange .stat-card__value  { color: #EA580C; }

.stat-card__unit {
  font-size: 14px;
  font-weight: 500;
  margin-left: 4px;
  font-family: var(--font-sans);
}

/* ─── Dashboard: Training Row ─── */

.dash-training {
  border: 1px solid var(--border);
  border-radius: var(--r-input);
  padding: var(--lg);
  margin-bottom: var(--md);
  transition: border-color .15s;
}

.dash-training:last-child { margin-bottom: 0; }
.dash-training:hover { border-color: #93C5FD; }

.dash-training__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--md);
  flex-wrap: wrap;
  gap: var(--sm);
}

.dash-training__info {
  display: flex;
  align-items: center;
  gap: var(--sm);
}

.dash-training__name {
  font-size: 14px;
  font-weight: 700;
  color: var(--dark-text);
}

.dash-training__badges {
  display: flex;
  align-items: center;
  gap: var(--sm);
}

.dash-training__body {
  display: flex;
  align-items: center;
  gap: var(--xl);
  flex-wrap: wrap;
}

.dash-training__detail {
  display: flex;
  gap: var(--lg);
  font-size: 11.5px;
  color: #4A5568;
  flex-shrink: 0;
}

.dash-training__detail span {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.dash-training__capacity {
  flex: 1;
  min-width: 180px;
  display: flex;
  align-items: center;
  gap: var(--sm);
}

.dash-training__cap-text {
  font-size: 11px;
  font-weight: 600;
  color: #4A5568;
  white-space: nowrap;
  font-family: var(--font-mono);
}

/* ─── Progress Bar ─── */

.progress {
  flex: 1;
  height: 8px;
  background: var(--field-bg);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress__fill {
  height: 100%;
  background: var(--blue);
  border-radius: 4px;
  transition: width .3s ease;
}

.progress--warn .progress__fill { background: #F59E0B; }
.progress--danger .progress__fill { background: #EF4444; }

/* ─── Dashboard: Two-column layout ─── */

.dash-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--lg);
  margin-top: var(--lg);
  margin-bottom: var(--lg);
}

/* ─── Dashboard: Upcoming List ─── */

.dash-upcoming {
  display: flex;
  align-items: center;
  gap: var(--md);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.dash-upcoming:last-child { border-bottom: none; }

.dash-upcoming__left {
  flex-shrink: 0;
}

.dash-upcoming__body {
  flex: 1;
  min-width: 0;
}

.dash-upcoming__name {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dash-upcoming__meta {
  display: flex;
  align-items: center;
  gap: var(--sm);
}

/* ─── Dashboard: Recent Applications ─── */

.dash-recent {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  gap: var(--sm);
}

.dash-recent:last-child { border-bottom: none; }

.dash-recent__user {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.dash-recent__name {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark-text);
}

.dash-recent__code {
  font-size: 11px;
  color: var(--gray-text);
}

.dash-recent__right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
}

.dash-recent__training {
  font-size: 12px;
  font-weight: 500;
  color: #4A5568;
  max-width: 180px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ─── Empty State ─── */

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray-text);
}

.empty-state__icon {
  font-size: 40px;
  display: block;
  margin-bottom: var(--md);
  opacity: .5;
}

.empty-state p {
  font-size: 13px;
  font-weight: 500;
}

/* ─── Admin Lock ─── */

.admin-lock {
  max-width: 380px;
  margin: 60px auto;
  text-align: center;
  background: var(--white);
  border-radius: var(--r-card);
  border: 1px solid var(--border);
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
}

.admin-lock__icon {
  font-size: 48px;
  margin-bottom: var(--lg);
}

.admin-lock__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--sm);
}

.admin-lock__desc {
  font-size: 12px;
  color: var(--gray-text);
  margin-bottom: var(--xl);
}

.admin-lock__form {
  display: flex;
  gap: var(--sm);
}

.admin-lock__form .form-input { flex: 1; }

.admin-lock__hint {
  margin-top: 18px;
  font-size: 11px;
  color: var(--gray-text);
}

/* ─── Toast ─── */

#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: var(--r-input);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transform: translateX(40px);
  transition: all .25s ease;
  pointer-events: auto;
  border: 1px solid var(--border);
}

.toast--visible {
  opacity: 1;
  transform: translateX(0);
}

.toast--success { border-left: 4px solid var(--success-border); }
.toast--error   { border-left: 4px solid var(--error-border); }
.toast--warning { border-left: 4px solid var(--warn-border); }

.toast__icon {
  font-size: 16px;
  font-weight: 700;
}
.toast--success .toast__icon { color: var(--success-text); }
.toast--error .toast__icon   { color: var(--error-text); }
.toast--warning .toast__icon { color: var(--warn-text); }

/* ─── Confirm Dialog ─── */

.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(22,45,85,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  opacity: 0;
  transition: opacity .2s ease;
  backdrop-filter: blur(3px);
}

.confirm-overlay--visible { opacity: 1; }

.confirm-dialog {
  background: var(--white);
  border-radius: 14px;
  padding: 32px;
  max-width: 400px;
  width: 90%;
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.confirm-dialog__msg {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: var(--xl);
  line-height: 1.5;
}

.confirm-dialog__actions {
  display: flex;
  gap: var(--sm);
  justify-content: center;
}

/* ─── Page Title ─── */

.page-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.page-sub {
  font-size: 12px;
  color: var(--gray-text);
  margin-bottom: var(--xl);
}

/* ─── Breadcrumb ─── */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sm);
  font-size: 12px;
  color: var(--gray-text);
  margin-bottom: var(--xl);
}

.breadcrumb a {
  color: var(--blue);
  font-weight: 500;
}

.breadcrumb a:hover { text-decoration: underline; }

.breadcrumb__current {
  color: var(--dark-text);
  font-weight: 600;
}

/* ─── Course Cards (Large) ─── */

.course-cards--lg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--lg);
  margin-bottom: var(--xl);
}

.course-card--lg {
  position: relative;
  border: 2px solid var(--border);
  border-radius: var(--r-card);
  padding: 28px 22px;
  text-align: center;
  cursor: pointer;
  transition: all .2s ease;
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.course-card--lg:hover {
  border-color: #93C5FD;
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.course-card--lg.course-card--selected {
  border-color: var(--blue);
  background: var(--erp-bg);
  box-shadow: 0 0 0 3px rgba(46,95,172,.12);
}

.course-card--lg .course-card__icon { font-size: 36px; }
.course-card--lg .course-card__name { font-size: 15px; font-weight: 700; color: var(--navy); }
.course-card--lg .course-card__desc { font-size: 12px; color: var(--gray-text); }

.course-card__count {
  font-size: 11px;
  font-weight: 600;
  color: var(--blue);
  margin-top: 2px;
}

.course-card--empty {
  opacity: .55;
  border-style: dashed;
}

.course-card--empty .course-card__count {
  color: var(--gray-text);
}

.course-card--empty:hover {
  opacity: .75;
}

.course-card__arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  color: var(--border);
  font-weight: 300;
  transition: color .15s;
}

.course-card--lg:hover .course-card__arrow { color: var(--blue); }

/* ─── Training List Items ─── */

.training-item {
  display: flex;
  align-items: center;
  gap: var(--lg);
  padding: var(--lg);
  border: 1px solid var(--border);
  border-radius: var(--r-input);
  margin-bottom: var(--md);
  background: var(--white);
  transition: border-color .15s, box-shadow .15s;
}

.training-item:hover {
  border-color: #93C5FD;
  box-shadow: var(--shadow-sm);
}

.training-item--closed {
  opacity: .65;
}

.training-item__body {
  flex: 1;
  min-width: 0;
}

.training-item__top {
  display: flex;
  gap: 6px;
  margin-bottom: 6px;
}

.training-item__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark-text);
  margin-bottom: 4px;
}

.training-item__desc {
  font-size: 12px;
  color: var(--gray-text);
  margin-bottom: 8px;
  line-height: 1.5;
}

.training-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px var(--lg);
  font-size: 11.5px;
  color: #4A5568;
}

.training-item__meta span {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.training-item__action {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.training-item__dday {
  font-size: 12px;
  padding: 3px 12px;
}

/* ─── Training Detail ─── */

.training-detail__header {
  margin-bottom: var(--lg);
}

.training-detail__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.training-detail__desc {
  font-size: 13px;
  color: var(--gray-text);
  line-height: 1.6;
}

.training-detail__info {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--md);
  padding-top: var(--lg);
  border-top: 1px solid var(--border);
}

.detail-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.detail-field__label {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.detail-field span:last-child {
  font-size: 13px;
  color: var(--dark-text);
  font-weight: 500;
}

/* ─── Badge Extensions ─── */

.badge--open {
  background: var(--success-bg);
  color: var(--success-text);
  border: 1px solid var(--success-border);
}

.badge--gray {
  background: var(--field-bg);
  color: var(--gray-text);
  border: 1px solid var(--border);
}

.badge--red {
  background: var(--error-bg);
  color: var(--error-text);
  border: 1px solid var(--error-border);
}

.badge--dday {
  background: #FFF7ED;
  color: #C2410C;
  border: 1px solid #FDBA74;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0;
}

/* ─── Status Badge ─── */

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: -.02em;
}
.status-badge--open {
  background: #ECFDF5;
  color: #059669;
}
.status-badge--active {
  background: #EFF6FF;
  color: #2563EB;
}
.status-badge--ended {
  background: var(--gray-bg);
  color: var(--gray-text);
}
.status-badge--default {
  background: #FFF7ED;
  color: #C2410C;
}

.row--ended {
  opacity: .55;
}

.text-muted { color: var(--gray-text); }
.text-sm { font-size: 12px; }

/* ─── Attendance ─── */

.attendance-toolbar {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  background: var(--gray-bg);
  border-bottom: 1px solid var(--border);
}

.attend-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.attend-check input { display: none; }

.attend-check__mark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 4px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
}

.attend-check input:checked + .attend-check__mark {
  background: var(--primary);
  border-color: var(--primary);
}

.attend-check input:checked + .attend-check__mark::after {
  content: '\2713';
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.td-center { text-align: center; }

/* ─── Certificate Button ─── */

.btn--outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}
.btn--outline:hover {
  background: var(--primary);
  color: #fff;
}

/* ─── Tabs ─── */

.tab-bar {
  display: flex;
  gap: 2px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 0;
}

.tab-btn {
  padding: 10px 22px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-text);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all .15s;
  cursor: pointer;
}

.tab-btn:hover { color: var(--dark-text); }

.tab-btn--active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

/* ─── Button Group ─── */

.btn-group {
  display: flex;
  gap: 4px;
}

/* ─── Modal ─── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(22,45,85,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  z-index: 9998;
  opacity: 0;
  transition: opacity .2s ease;
  backdrop-filter: blur(3px);
  overflow-y: auto;
  padding: var(--xl);
}

.modal-overlay--visible { opacity: 1; }

.modal {
  background: var(--white);
  border-radius: 14px;
  max-width: 640px;
  width: 100%;
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  animation: modalIn .25s ease both;
  overflow: hidden;
}

.modal__header { flex-shrink: 0; }
.modal__body {
  flex: 1 1 auto;
  overflow-y: auto;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
}

.modal__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
}

.modal__close {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--gray-text);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.modal__close:hover { background: var(--field-bg); color: var(--dark-text); }

.modal__body {
  padding: 24px 28px;
}

/* ─── Form Textarea ─── */

.form-textarea {
  height: auto;
  min-height: 70px;
  padding: 10px 14px;
  resize: vertical;
  line-height: 1.5;
}

/* ─── Training Row Link ─── */

.trn-row__link {
  background: none;
  border: none;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--blue);
  cursor: pointer;
  padding: 0;
  text-align: left;
}

.trn-row__link:hover {
  text-decoration: underline;
}

.trn-row--selected {
  background: var(--erp-bg) !important;
}

.trn-row--selected td {
  border-bottom-color: var(--erp-border) !important;
}

/* ─── Applicant Panel ─── */

.applicant-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--lg);
  flex-wrap: wrap;
  gap: var(--md);
}

.applicant-panel__info {
  display: flex;
  flex-direction: column;
  gap: var(--sm);
}

.applicant-panel__meta {
  display: flex;
  align-items: center;
  gap: var(--sm);
  flex-wrap: wrap;
}

.applicant-panel__stats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.applicant-panel__cap {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-mono);
}

.applicant-panel__cap-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--blue);
}

.applicant-panel__cap-sep {
  font-size: 20px;
  color: var(--gray-text);
  margin: 0 2px;
}

.applicant-panel__cap-total {
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-text);
}

.applicant-panel__cap-label {
  font-size: 12px;
  color: var(--gray-text);
  margin-left: 4px;
  font-family: var(--font-sans);
}

.applicant-panel__footer {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--lg);
  padding-top: var(--md);
  border-top: 1px solid var(--border);
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar--open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,.2);
  }
  .main {
    margin-left: 0;
  }
  .topbar__hamburger {
    display: block;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .course-cards, .course-cards--lg {
    grid-template-columns: 1fr;
  }
  .training-item {
    flex-direction: column;
    align-items: stretch;
  }
  .stats-grid, .stats-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .dash-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .content {
    padding: var(--md);
  }
  .card {
    padding: var(--lg);
  }
  .topbar {
    padding: 0 var(--md);
  }
  .topbar__sub {
    display: none;
  }
  .login-card {
    width: 94%;
    margin: var(--md);
  }
}

/* ═══════════════════════════════════════
   TYPOGRAPHY REFRESH — readability bump
   Larger base + selective overrides so existing
   layout breathes without losing density.
   ═══════════════════════════════════════ */

html { font-size: 15px; }
body { line-height: 1.55; }

.content { padding: 32px 40px; max-width: 1280px; margin: 0 auto; }
.card { padding: 24px 28px; }
.card__title { font-size: 19px; }
.card__header { gap: 16px; }

.page-title { font-size: 28px; }
.page-sub   { font-size: 15px; margin-top: 4px; }

.form-label { font-size: 12.5px; letter-spacing: 0.2px; }
.form-input { font-size: 14.5px; padding: 11px 14px; height: auto; min-height: 42px; }
.form-textarea { min-height: 88px; }
.form-grid { gap: var(--lg) var(--xl); }

.btn         { font-size: 14px; }
.btn--sm     { font-size: 13px; height: 32px; padding: 0 14px; }
.btn--lg     { font-size: 16px; height: 50px; padding: 0 36px; }
.btn--full   { font-size: 15px; }

.badge       { font-size: 11.5px; padding: 4px 11px; letter-spacing: 0.2px; }
.banner      { font-size: 14px; padding: 14px 18px; }

.data-table th { font-size: 12px; padding: 12px 14px; white-space: nowrap; }
.data-table td { font-size: 14px; padding: 12px 14px; }

/* Cells that should never wrap (dates, codes, status, action buttons) */
.data-table .td-mono,
.data-table .status-badge,
.data-table .btn-group,
.data-table .badge {
  white-space: nowrap;
}
.btn-group { gap: 6px; flex-wrap: nowrap; }

/* Allow the table itself to be its natural width so the wrap scrolls
   horizontally on narrow viewports instead of breaking lines vertically. */
.table-wrap { overflow-x: auto; }
.table-wrap .data-table { min-width: max-content; }

.sidebar__link { font-size: 14px; padding: 12px 16px; }

.topbar__title { font-size: 19px; }
.topbar__sub   { font-size: 12.5px; }
.topbar__user  { font-size: 13.5px; }

.training-item__title { font-size: 17px; line-height: 1.4; }
.training-item__desc  { font-size: 14px; color: var(--gray-text); margin-top: 4px; }
.training-item__meta  { gap: 10px 18px; }
.training-item__meta span { font-size: 13px; }
.training-item        { padding: 20px 24px; gap: 20px; }

.course-card--lg .course-card__name  { font-size: 17px; }
.course-card--lg .course-card__desc  { font-size: 13.5px; }
.course-card--lg .course-card__count { font-size: 12.5px; }

.dash-training__name        { font-size: 15.5px; }
.dash-training__detail span,
.dash-training__cap-text    { font-size: 13px; }
.dash-upcoming__name        { font-size: 14.5px; }

.stat-card__label { font-size: 13px; }
.stat-card__value { font-size: 34px; }
.stat-card__unit  { font-size: 14px; }

.empty-state            { padding: 36px 20px; }
.empty-state p          { font-size: 14px; }
.empty-state__icon      { font-size: 42px; }

.detail-field__label    { font-size: 12px; }
.detail-field span:last-child { font-size: 14.5px; }

.toast__msg   { font-size: 14px; }
.text-sm      { font-size: 13px; }

.trn-row__link { font-size: 14px; }
.applicant-panel__cap-num   { font-size: 32px; }
.applicant-panel__cap-total,
.applicant-panel__cap-sep   { font-size: 22px; }

/* Login/Signup card breathing room */
.login-card__body { padding: 36px 36px 32px; }
.login-card__logo { font-size: 30px; }
.login-card__sub  { font-size: 13px; }

@media (max-width: 640px) {
  html { font-size: 14.5px; }
  .content { padding: 18px 16px; }
  .card { padding: 18px 18px; }
}

/* ═══════════════════════════════════════
   APPLICATION CARD LIST (신청 확인/취소)
   ═══════════════════════════════════════ */

.app-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: var(--md);
}

.app-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: box-shadow .15s ease, border-color .15s ease;
}

.app-card:hover {
  border-color: #C2D2EC;
  box-shadow: 0 2px 12px rgba(26,58,107,.06);
}

.app-card--ended {
  background: #FAFBFC;
  opacity: .85;
}

.app-card__head {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.app-card__badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.app-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin: 0;
  line-height: 1.35;
}

.app-card__period {
  font-size: 13px;
  color: var(--gray-text);
}

.app-card__info {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px 24px;
  margin: 0;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.app-card__info > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.app-card__info dt {
  font-size: 11.5px;
  color: var(--gray-text);
  font-weight: 600;
  letter-spacing: 0.2px;
}

.app-card__info dd {
  font-size: 14.5px;
  color: var(--text);
  font-weight: 500;
  margin: 0;
  word-break: break-word;
}

.app-card__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}

@media (max-width: 720px) {
  .app-card__info { grid-template-columns: repeat(2, 1fr); }
  .app-card__actions { justify-content: stretch; }
  .app-card__actions .btn { flex: 1; }
}

/* Training detail page — full-height product-style image at card bottom */
.training-detail__image {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.training-detail__image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 8px;
}

/* Training title color by lifecycle status (admin 교육 관리) */
.trn-row__link--upcoming    { color: #6B7280; }
.trn-row__link--open        { color: #059669; }
.trn-row__link--pre-edu     { color: #D97706; }
.trn-row__link--in-progress { color: #2563EB; }
.trn-row__link--ended       { color: #9CA3AF; text-decoration: line-through; }