@import url('https://fonts.googleapis.com/css2?family=Jua&display=swap');

/* ===== Design tokens ===== */
:root {
  --navy: #1a1a1a;
  --navy-dark: #111111;
  --teal: #d63a2f;
  --aqua: #ff6b5c;
  --cyan: #d63a2f;
  --cyan-dark: #b32e25;
  --bg: #ffffff;
  --bg-alt: #f7f7f7;
  --text: #1a1a1a;
  --text-muted: #6b6b6b;
  --white: #ffffff;
  --border: #e5e1df;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.14);
  --danger: #8a1f1f;
  --danger-bg: #f5e0de;
  --warning: #b8790a;
  --warning-bg: #fdf3e0;
  --success: #c2477a;
  --success-bg: #fdeaf2;
  --checkin: #f2c94c;
  --checkin-bg: #fdf6d9;
  --personal-done: #4caf7d;
  --personal-done-bg: #e3f5ea;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.3; margin: 0 0 .3em; color: var(--navy-dark); }
h1 {
  font-family: 'Jua', 'Pretendard', sans-serif;
  font-size: 2rem;
  letter-spacing: .02em;
  color: var(--cyan);
}
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
ul { padding: 0; margin: 0; list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4em;
  padding: .65em 1.2em;
  border-radius: 10px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary { background: var(--cyan); color: var(--white); }
.btn-primary:hover { background: var(--cyan-dark); }
.btn-outline { background: transparent; color: var(--navy); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan-dark); }
.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-danger:hover { background: #fbdada; }
.btn-sm { padding: .4em .8em; font-size: .85rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ===== Login page ===== */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(160deg, var(--bg) 0%, var(--bg-alt) 100%);
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 32px;
}
.login-card .logo {
  font-family: 'Jua', 'Pretendard', sans-serif;
  color: var(--navy-dark);
  font-size: 1.7rem;
  letter-spacing: .02em;
  margin-bottom: .2em;
}
.login-card .logo span { color: var(--cyan); }
.login-card p.subtitle { color: var(--text-muted); margin-bottom: 1.6em; }

/* ===== Form elements ===== */
.field { margin-bottom: 1.1em; }
.field label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: .4em;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: .7em .9em;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--white);
  color: var(--text);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--cyan);
}
.field-error {
  color: var(--danger);
  font-size: .85rem;
  margin-top: .5em;
  min-height: 1.2em;
}
.password-field-wrap { position: relative; }
.password-field-wrap input { padding-right: 2.6em; }
.password-toggle-btn {
  position: absolute;
  right: .5em;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.05rem;
  line-height: 1;
  padding: .3em;
  color: var(--text-muted);
}
.remember-me-row {
  display: flex;
  align-items: center;
  gap: .5em;
  font-size: .88rem;
  color: var(--text-muted);
  margin-bottom: 1.1em;
}
.remember-me-row input { width: auto; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0 16px;
}
.form-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 16px;
}

/* ===== App shell ===== */
.admin-shell {
  display: flex;
  min-height: 100vh;
}
.admin-sidebar {
  width: var(--sidebar-width, 220px);
  flex-shrink: 0;
  background: var(--white);
  color: var(--text);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
}
.sidebar-resizer {
  width: 6px;
  flex-shrink: 0;
  cursor: col-resize;
  background: transparent;
}
.sidebar-resizer:hover,
.sidebar-resizer.dragging {
  background: var(--border);
}
.admin-sidebar .logo {
  font-family: 'Jua', 'Pretendard', sans-serif;
  font-size: 1.3rem;
  letter-spacing: .02em;
  padding: 0 8px 20px;
  color: var(--cyan);
}
.admin-sidebar .logo span { color: var(--cyan); }
.admin-nav { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.admin-nav a {
  padding: .75em .9em;
  border-radius: 10px;
  color: var(--text);
  font-weight: 600;
  font-size: .95rem;
}
.admin-nav a:hover { background: var(--bg-alt); color: var(--text); }
.admin-nav a.active { background: var(--cyan); color: var(--white); }

.owner-only { display: none; }
body.role-owner .owner-only { display: block; }
body.role-owner .btn.owner-only { display: inline-flex; }

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: .85rem;
  color: var(--text-muted);
}
.sidebar-footer .who { color: var(--text); font-weight: 600; margin-bottom: .6em; }
.sidebar-footer .role-badge {
  display: inline-block;
  font-size: .75rem;
  padding: .2em .6em;
  border-radius: 999px;
  background: var(--bg-alt);
  color: var(--text-muted);
  margin-bottom: .8em;
}
.sidebar-footer button { width: 100%; }

.admin-main {
  flex: 1;
  padding: 32px 40px;
  max-width: 1080px;
}
.admin-topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 8px;
}
.admin-topbar .today { color: var(--text-muted); font-size: .9rem; }

/* ===== Cards / grid ===== */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.card + .card { margin-top: 20px; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.stat-card .label { color: var(--text-muted); font-size: .85rem; margin-bottom: .4em; }
.stat-card .value { font-size: 1.7rem; font-weight: 800; color: var(--navy-dark); }

/* ===== Table ===== */
.table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); background: var(--white); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .85em 1em; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: var(--bg-alt); color: var(--text-muted); font-size: .85rem; font-weight: 700; }
tr:last-child td { border-bottom: none; }
td.numeric { text-align: right; font-variant-numeric: tabular-nums; }

/* ===== Badge ===== */
.badge { display: inline-flex; align-items: center; padding: .25em .7em; border-radius: 999px; font-size: .82rem; font-weight: 700; white-space: nowrap; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-muted { background: var(--bg-alt); color: var(--text-muted); }
.badge-info { background: #e3edff; color: #2854a6; }
.badge-yellow { background: var(--checkin-bg); color: #8a6d1a; }
.badge-purple { background: #eee3fd; color: #6b3fa0; }
.badge-green { background: var(--personal-done-bg); color: var(--personal-done); }

/* ===== Attendance checklist ===== */
.attendance-list { display: flex; flex-direction: column; gap: 10px; }
.attendance-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--white);
}
.attendance-row.checked-in { border-color: var(--success); background: var(--success-bg); }
.attendance-row .member-name { font-weight: 700; }
.attendance-row .remaining { color: var(--text-muted); font-size: .88rem; margin-left: .6em; }

.empty-state { color: var(--text-muted); text-align: center; padding: 40px 0; }

#log-rows mark { padding: 0 2px; border-radius: 3px; }
#log-rows mark.hl-yellow { background: #fff2a8; }
#log-rows mark.hl-pink { background: #ffd1ec; }
#log-rows mark.hl-purple { background: #e3d1ff; }
#log-rows u { text-decoration-color: var(--cyan); text-decoration-thickness: 2px; }
#log-rows td:nth-child(3) { white-space: normal; max-width: 320px; }

/* ===== Schedule view toggle ===== */
.view-tabs { display: flex; gap: 8px; }
.view-tabs button {
  padding: .5em 1.2em;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--white);
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
}
.view-tabs button.active { background: var(--cyan); color: var(--white); border-color: var(--cyan); }
.month-nav { display: flex; align-items: center; gap: 10px; }

/* ===== Week grid ===== */
.week-grid-wrap { overflow-x: auto; }
.week-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; }
.week-col { background: var(--bg-alt); border-radius: var(--radius); padding: 12px; min-height: 100px; cursor: pointer; border: 2px solid transparent; }
.week-col.today { background: var(--white); border-color: var(--cyan); box-shadow: var(--shadow); }
.week-col h4 { margin: 0 0 10px; font-size: .9rem; color: var(--text-muted); text-align: center; }
.week-col.today h4 { color: var(--cyan-dark); font-weight: 700; }
.today-badge {
  display: inline-block;
  background: var(--cyan);
  color: var(--white);
  font-size: .68rem;
  font-weight: 700;
  padding: .1em .55em;
  border-radius: 999px;
  vertical-align: middle;
}
.week-period { min-height: 28px; margin-bottom: 20px; }
.week-period.week-period-empty { min-height: 88px; }
.week-period:last-child { margin-bottom: 0; }
.week-period + .week-period { margin-top: 20px; padding-top: 16px; border-top: 2px solid var(--border); }
.week-period-label {
  font-size: .72rem;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px dashed var(--border);
  padding-bottom: 4px;
  margin-bottom: 8px;
}
.week-class { position: relative; background: var(--white); border-radius: 10px; padding: 8px 10px; margin-bottom: 8px; box-shadow: var(--shadow); }
.card-menu { position: absolute; top: 6px; right: 6px; }
.card-menu-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 8px;
  cursor: pointer;
}
.card-menu-btn:hover { background: var(--bg-alt); color: var(--text); }
.card-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 20;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-hover);
  padding: 4px;
  display: flex;
  flex-direction: column;
  min-width: 100px;
}
.card-menu-dropdown button {
  border: none;
  background: transparent;
  text-align: left;
  padding: .5em .7em;
  border-radius: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}
.card-menu-dropdown button:hover { background: var(--bg-alt); }
.card-menu-dropdown button[data-deactivate] { color: var(--danger); }
.todo-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.todo-row:last-child { border-bottom: none; }
.todo-row input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--checkin); cursor: pointer; flex-shrink: 0; }
.todo-row span { flex: 1; font-weight: 600; }
.todo-row .badge { flex: 0 0 auto; }
.todo-row.done span { text-decoration: line-through; color: var(--text-muted); }
.todo-row [data-todo-delete] { flex-shrink: 0; }

.week-class.checked-in { background: var(--checkin-bg); }
.week-class.personal-done { background: var(--personal-done-bg); }
.week-class.cancelled { background: var(--bg-alt); opacity: .6; }
.week-class.cancelled .title { text-decoration: line-through; }
.week-class.absent { background: #ece4f7; }
.week-class.unresolved { box-shadow: 0 0 0 2px var(--warning) inset, var(--shadow); }
.week-class.personal { border: 2px solid var(--personal-done); }
.week-class.trial { border: 2px solid #2854a6; }
.week-class .time { font-weight: 700; color: var(--navy-dark); display: block; font-size: .85rem; }
.week-class .title { display: block; margin: .2em 0; font-weight: 600; }
.week-class .actions { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-top: 6px; }
.attend-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
}
.attend-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--white);
  cursor: pointer;
}
.attend-check.disabled { color: var(--text-muted); cursor: not-allowed; }
.attend-check.disabled input { cursor: not-allowed; }
.checkbox-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  cursor: pointer;
}
.checkbox-inline input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; }

/* ===== Month grid ===== */
.month-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.month-daylabel { text-align: center; font-size: .8rem; color: var(--text-muted); font-weight: 700; padding-bottom: 6px; }
.month-cell { background: var(--bg-alt); border-radius: 10px; min-height: 92px; padding: 6px; cursor: pointer; }
.month-cell.other-month { opacity: .4; }
.month-cell .date-num { font-size: .8rem; font-weight: 700; color: var(--text-muted); margin-bottom: 4px; display: flex; align-items: baseline; gap: 4px; }
.week-col.holiday, .month-cell.holiday { background: var(--danger-bg); }
.holiday-label { color: var(--danger); font-weight: 700; }
.week-col h4 .holiday-label { display: block; font-size: .75rem; margin-top: 2px; }
.month-cell .date-num .holiday-label { font-size: .68rem; font-weight: 700; }
.class-pill {
  display: block;
  background: var(--white);
  color: var(--navy-dark);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: .72rem;
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}
.class-pill.checked-in { background: var(--checkin-bg); color: var(--navy-dark); }
.class-pill.personal-done { background: var(--personal-done-bg); color: var(--navy-dark); }
.class-pill.cancelled { text-decoration: line-through; opacity: .5; }
.class-pill.absent { background: #ece4f7; color: var(--navy-dark); }
.class-pill.trial { border: 1.5px solid #2854a6; }
.class-pill.personal { border: 1.5px solid var(--personal-done); }

/* ===== Utility ===== */
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.mt-16 { margin-top: 16px; }
.hidden { display: none !important; }

@media (max-width: 780px) {
  .admin-shell { flex-direction: column; }
  .sidebar-resizer { display: none; }
  .admin-sidebar {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 14px 16px;
  }
  .admin-sidebar .logo { padding: 0 0 10px; }
  .admin-nav {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 6px;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .admin-nav a { flex-shrink: 0; padding: .5em .9em; font-size: .85rem; white-space: nowrap; }
  .sidebar-footer {
    border-top: none;
    padding: 10px 0 0;
    margin-top: 4px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }
  .sidebar-footer .who, .sidebar-footer .role-badge { display: none; }
  .sidebar-footer button { width: auto; }
  .admin-main { padding: 20px 16px; }

  .week-grid { grid-template-columns: repeat(7, minmax(132px, 1fr)); }
  .week-col { padding: 10px; }
  .month-grid { grid-template-columns: repeat(7, minmax(76px, 1fr)); overflow-x: auto; }
  .class-pill {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    word-break: keep-all;
    line-height: 1.25;
  }
}