/* 쓱(SSEUK) — 공문 일정 캘린더 · indigo 테마 */
:root {
  --indigo: #4f46e5;
  --indigo-dark: #3730a3;
  --indigo-light: #eef2ff;
  --ink: #1e1b4b;
  --gray: #6b7280;
  --line: #e5e7eb;
  --bg: #f5f6fb;
  --danger: #dc2626;
  --ok: #16a34a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Pretendard", -apple-system, "Segoe UI", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}
.hidden { display: none !important; }
.muted { color: var(--gray); font-weight: 400; font-size: 0.85em; }
.small { font-size: 0.85rem; }
.hint { font-size: 0.8rem; color: var(--gray); margin: 8px 0 0; }

/* 헤더 */
.app-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--indigo-dark) 100%);
  color: #fff;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  font-size: 34px; font-weight: 800;
  background: rgba(255,255,255,.18); width: 56px; height: 56px;
  display: grid; place-items: center; border-radius: 16px;
}
.brand-text h1 { margin: 0; font-size: 1.25rem; }
.slogan { margin: 2px 0 0; font-size: 0.82rem; opacity: .85; }
.ghost-btn {
  background: rgba(255,255,255,.15); color: #fff; border: 1px solid rgba(255,255,255,.3);
  padding: 8px 14px; border-radius: 10px; cursor: pointer; font-size: 0.9rem;
}
.ghost-btn:hover { background: rgba(255,255,255,.28); }

/* 설정 패널 */
.settings-panel {
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 16px 24px 22px;
}
.settings-panel .key-row label { font-weight: 700; font-size: 0.9rem; }
.key-row { display: flex; gap: 8px; margin-top: 8px; max-width: 560px; }
.key-row input {
  flex: 1; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 10px; font-size: 0.9rem;
}
.settings-head { display: flex; align-items: center; justify-content: space-between; }
.settings-head h2 { margin: 0; font-size: 1.05rem; }
.settings-head .modal-close { position: static; }
.settings-note {
  background: var(--indigo-light); border: 1px solid #d8dcfb; color: var(--ink);
  border-radius: 10px; padding: 10px 12px; font-size: 0.84rem; margin: 12px 0 6px; max-width: 620px;
}
.settings-section-title { font-size: 0.92rem; margin: 18px 0 8px; }
.settings-label { display: block; font-weight: 700; font-size: 0.9rem; }

/* AI 모드 카드 */
.mode-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; max-width: 620px; }
.mode-card {
  display: block; border: 2px solid var(--line); border-radius: 12px; padding: 12px 14px;
  cursor: pointer; transition: .12s; background: #fff;
}
.mode-card:hover { border-color: #c7cae0; }
.mode-card input { display: none; }
.mode-card:has(input:checked) { border-color: var(--indigo); background: var(--indigo-light); }
.mode-card-title { display: block; font-weight: 700; font-size: 0.92rem; }
.mode-card-desc { display: block; font-size: 0.78rem; color: var(--gray); margin-top: 4px; line-height: 1.4; }

.mode-box { margin-top: 12px; max-width: 620px; }
.school-auth { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.school-user { font-size: 0.88rem; font-weight: 600; }
.school-user.warn { color: #b45309; }

/* 사용량 위젯 */
.usage-widget { margin-top: 12px; max-width: 420px; }
.usage-row { display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--gray); margin-bottom: 5px; }
.usage-bar { height: 8px; background: #eef0f6; border-radius: 6px; overflow: hidden; }
.usage-bar-fill { height: 100%; width: 0; background: var(--ok); transition: width .3s; }
.usage-bar-fill.high { background: var(--danger); }

@media (max-width: 640px) { .mode-cards { grid-template-columns: 1fr; } }

/* 고급 접이식 박스 */
.advanced-box { margin-top: 10px; max-width: 620px; }
.advanced-box summary {
  cursor: pointer; font-size: 0.82rem; color: var(--gray);
  padding: 6px 0; user-select: none; list-style: revert;
}
.advanced-box summary:hover { color: var(--indigo); }
.advanced-box[open] summary { color: var(--ink); font-weight: 600; }

/* 레이아웃 */
.container { max-width: 880px; margin: 24px auto; padding: 0 16px; display: grid; gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 20px 22px; box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.card h2 { margin: 0 0 14px; font-size: 1.05rem; }

/* 버튼 */
.primary-btn {
  background: var(--indigo); color: #fff; border: 0; cursor: pointer;
  padding: 11px 18px; border-radius: 10px; font-size: 0.95rem; font-weight: 600;
}
.primary-btn:hover { background: var(--indigo-dark); }
.primary-btn:disabled { background: #c7c9d9; cursor: not-allowed; }
.primary-btn.full { width: 100%; margin-top: 14px; }

/* 드롭존 */
.drop-zone {
  border: 2px dashed #c7cae0; border-radius: 14px; padding: 32px 16px;
  text-align: center; cursor: pointer; transition: .15s; background: #fafbff;
}
.drop-zone:hover, .drop-zone.dragover { border-color: var(--indigo); background: var(--indigo-light); }
.drop-main { margin: 0; font-weight: 600; }
.drop-sub { margin: 6px 0 0; font-size: 0.82rem; color: var(--gray); }

.file-list { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 8px; }
.file-list li {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--indigo-light); padding: 8px 12px; border-radius: 10px; font-size: 0.88rem;
}
.file-list .remove { cursor: pointer; color: var(--danger); font-weight: 700; border: 0; background: none; }
.file-list .badge { font-size: 0.72rem; color: var(--gray); margin-left: 8px; }

/* 상태 */
.status { margin-top: 14px; padding: 12px 14px; border-radius: 10px; font-size: 0.9rem; }
.status.loading { background: #fff7ed; color: #9a3412; }
.status.error { background: #fef2f2; color: var(--danger); }
.status.ok { background: #f0fdf4; color: var(--ok); }
.spinner {
  display: inline-block; width: 14px; height: 14px; border: 2px solid #fdba74;
  border-top-color: transparent; border-radius: 50%; animation: spin .8s linear infinite;
  vertical-align: -2px; margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 검토 카드 */
.review-list { display: grid; gap: 12px; }
.review-item {
  border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: #fcfcff;
}
.review-item .grid { display: grid; grid-template-columns: 88px 1fr; gap: 8px 10px; align-items: center; }
.review-item label { font-size: 0.8rem; color: var(--gray); }
.review-item input, .review-item textarea {
  width: 100%; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 0.88rem;
  font-family: inherit;
}
.review-item textarea { resize: vertical; min-height: 42px; }
.review-item .item-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.review-item .item-head strong { font-size: 0.95rem; }
.review-item .del-item { background: none; border: 0; color: var(--danger); cursor: pointer; font-size: 0.85rem; }
.notify-row { display: flex; gap: 16px; margin-top: 8px; font-size: 0.83rem; color: var(--ink); }
.notify-row label { display: flex; align-items: center; gap: 5px; color: var(--ink); cursor: pointer; }

/* 캘린더 */
#calendar { margin-top: 6px; }
.fc { font-size: 0.85rem; }
.fc .fc-button-primary { background: var(--indigo); border-color: var(--indigo); }
.fc .fc-button-primary:hover { background: var(--indigo-dark); border-color: var(--indigo-dark); }
.fc-event { cursor: pointer; }

/* 모달 */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(30,27,75,.45);
  display: grid; place-items: center; z-index: 100; padding: 16px;
}
.modal {
  background: #fff; border-radius: 16px; padding: 24px; max-width: 420px; width: 100%;
  position: relative; box-shadow: 0 10px 40px rgba(0,0,0,.2);
}
.modal-close {
  position: absolute; top: 12px; right: 14px; background: none; border: 0;
  font-size: 24px; cursor: pointer; color: var(--gray);
}
.modal h3 { margin: 0 0 12px; }
.modal .row { display: flex; gap: 8px; margin: 6px 0; font-size: 0.9rem; }
.modal .row .k { color: var(--gray); width: 64px; flex: none; }
.modal .actions { margin-top: 18px; display: flex; gap: 8px; }
.modal .danger-btn {
  background: var(--danger); color: #fff; border: 0; padding: 9px 14px;
  border-radius: 9px; cursor: pointer; font-size: 0.88rem;
}

/* 섹션 헤더(제목 + 버튼) */
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.section-head h2 { margin: 0; }
.settings-label { display: block; margin-top: 16px; font-weight: 700; font-size: 0.9rem; }

/* 구글 캘린더 바 */
.gcal-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: 12px;
  padding: 10px 14px; margin: 10px 0 14px;
}
.gcal-status { font-size: 0.88rem; font-weight: 600; color: #15803d; }
.gcal-status.off { color: var(--gray); }
.gcal-actions { display: flex; gap: 8px; flex-wrap: wrap; }
@media (max-width: 640px) {
  .gcal-bar { flex-direction: column; align-items: stretch; }
  .gcal-actions { display: grid; grid-template-columns: 1fr; }
}

/* 카카오 캘린더 바 */
.kakao-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  background: #fffbe6; border: 1px solid #ffe999; border-radius: 12px;
  padding: 10px 14px; margin: 0 0 14px;
}
.kakao-status { font-size: 0.88rem; font-weight: 600; color: #7a5b00; }
.kakao-status.off { color: var(--gray); }
.kakao-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.kakao-btn {
  background: #fff; color: #3c1e1e; border: 1px solid #ffe066; cursor: pointer;
  padding: 9px 14px; border-radius: 9px; font-size: 0.9rem; font-weight: 600;
}
.kakao-btn:hover { background: #fff8d6; }
.kakao-btn.primary { background: #fee500; border-color: #fee500; }
.kakao-btn.primary:hover { background: #ffd900; }
@media (max-width: 640px) {
  .kakao-bar { flex-direction: column; align-items: stretch; }
  .kakao-actions { display: grid; grid-template-columns: 1fr; }
}

/* 폼 모달 */
.form-grid { display: grid; grid-template-columns: 72px 1fr; gap: 10px 10px; align-items: center; margin-top: 4px; }
.form-grid label { font-size: 0.82rem; color: var(--gray); }
.form-grid input, .form-grid textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px;
  font-size: 0.9rem; font-family: inherit;
}
.form-grid textarea { resize: vertical; min-height: 44px; }
.ghost-btn.dark { background: #eef0f6; color: var(--ink); border: 1px solid var(--line); }
.ghost-btn.dark:hover { background: #e2e5ef; }
.form-error { color: var(--danger); font-size: 0.83rem; margin: 10px 0 0; }

/* 푸터 */
.app-footer { text-align: center; color: var(--gray); font-size: 0.78rem; padding: 24px; }

/* 모바일·패드 대응 */
@media (max-width: 640px) {
  .app-header { padding: 12px 14px; }
  .brand-text h1 { font-size: 1.05rem; }
  .logo { width: 46px; height: 46px; font-size: 28px; }
  .container { margin: 14px auto; gap: 14px; }
  .card { padding: 16px; border-radius: 14px; }
  .drop-zone { padding: 22px 12px; }
  .review-item .grid { grid-template-columns: 1fr; gap: 4px 0; }
  .review-item .grid label { margin-top: 6px; }
  .form-grid { grid-template-columns: 1fr; gap: 4px 0; }
  .form-grid label { margin-top: 8px; }
  .notify-row { flex-wrap: wrap; gap: 8px 16px; }
  .fc .fc-toolbar { flex-direction: column; gap: 8px; }
  .fc .fc-toolbar-title { font-size: 1.1rem; }
  .modal { padding: 18px; }
  .section-head .primary-btn { width: 100%; }
}