/* ==========================================================
   おたすけ — デザイントークン
   Ai(藍)-iro Navy / Flare Amber / Wakakusa Green / Alert Coral
   ========================================================== */
:root{
  --ai-navy:      #22364F;
  --ai-navy-dark: #17263A;
  --paper:        #F4F6F2;
  --paper-raised: #FFFFFF;
  --ink:          #26313A;
  --ink-soft:     #5B6670;
  --line:         #DCE2DC;

  --flare:        #E8862A;
  --flare-dark:   #C96F1B;
  --wakakusa:     #6B9B6E;
  --alert:        #D6573F;

  --font-display: "Shippori Mincho", serif;
  --font-body: "Zen Kaku Gothic New", sans-serif;

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --shadow-card: 0 2px 10px rgba(34,54,79,0.08);
  --shadow-raised: 0 8px 28px rgba(34,54,79,0.16);
}

*{ box-sizing: border-box; }

html,body{
  margin:0; padding:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body{ padding-bottom: 96px; }

h1,h2,h3{ font-family: var(--font-display); margin:0; }

button{ font-family: inherit; cursor:pointer; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- ヘッダー ---------- */
.app-header{
  background: linear-gradient(155deg, var(--ai-navy) 0%, var(--ai-navy-dark) 100%);
  color: #F5F2E9;
  padding: 22px 20px 26px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner{ max-width: 720px; margin: 0 auto; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{ color: var(--flare); flex-shrink:0; display:flex; }
.brand-text h1{
  font-size: 1.7rem;
  letter-spacing: 0.06em;
  line-height:1;
  color: #FBF7EE;
}
.brand-text p{
  margin: 6px 0 0;
  font-size: 0.78rem;
  color: #C7CDD8;
  letter-spacing: 0.02em;
}

/* ---------- 検索・フィルターパネル ---------- */
.search-panel{
  max-width: 720px;
  margin: -14px auto 0;
  padding: 0 16px;
}
.search-row{
  background: var(--paper-raised);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-card);
  padding: 4px;
}
#searchInput{
  width:100%;
  border: none;
  background: transparent;
  padding: 12px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--ink);
  outline: none;
}
#searchInput::placeholder{ color: #9AA4A8; }

.filter-row{
  display:flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 2px 4px;
  scrollbar-width: none;
}
.filter-row::-webkit-scrollbar{ display:none; }

.chip{
  flex-shrink:0;
  border: 1.4px solid var(--line);
  background: var(--paper-raised);
  color: var(--ink-soft);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.chip.is-active{
  background: var(--ai-navy);
  border-color: var(--ai-navy);
  color: #fff;
}

.sort-row{
  display:flex;
  align-items:center;
  justify-content: flex-end;
  gap: 8px;
  margin: 10px 2px 6px;
  font-size: 0.8rem;
  color: var(--ink-soft);
}
.sort-row select{
  border: 1.4px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--paper-raised);
  padding: 5px 8px;
  font-family: inherit;
  color: var(--ink);
  font-size: 0.8rem;
}

/* ---------- 一覧 ---------- */
.list-section{
  max-width: 720px;
  margin: 0 auto;
  padding: 18px 16px 40px;
}
.result-count{
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-bottom: 10px;
  padding-left: 2px;
}
.card-list{
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.post-card{
  background: var(--paper-raised);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-card);
  padding: 16px 16px 14px;
  display: flex;
  gap: 14px;
  text-align: left;
  border: none;
  width: 100%;
  align-items: flex-start;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.post-card:hover, .post-card:focus-visible{
  transform: translateY(-2px);
  box-shadow: var(--shadow-raised);
  outline: none;
}

/* 灯りバッジ（シグネチャー要素）: 期限までの日数を灯りの色で表す */
.lantern-badge{
  flex-shrink:0;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-family: var(--font-display);
  box-shadow: 0 0 0 4px rgba(0,0,0,0.03) inset;
  position: relative;
}
.lantern-badge::after{
  content:"";
  position:absolute;
  inset:-4px;
  border-radius:50%;
  border: 1.5px dashed currentColor;
  opacity: 0.35;
}
.lantern-badge .num{ font-size: 1.15rem; line-height:1; font-weight:700; }
.lantern-badge .unit{ font-size: 0.55rem; margin-top:1px; letter-spacing:0.03em; }

.lantern-badge.urgency-plenty{ background: var(--wakakusa); }
.lantern-badge.urgency-soon{ background: var(--flare); }
.lantern-badge.urgency-critical{ background: var(--alert); }
.lantern-badge.urgency-none{ background: #9CA7AE; }

.post-main{ flex:1; min-width:0; }
.post-top-row{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 8px;
}
.post-title{
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--ink);
  line-height: 1.4;
}
.category-tag{
  flex-shrink:0;
  font-size: 0.68rem;
  color: var(--ai-navy);
  background: #E7EBE3;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
  font-weight: 500;
}
.post-excerpt{
  margin: 6px 0 8px;
  font-size: 0.84rem;
  color: var(--ink-soft);
  line-height: 1.6;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.post-meta{
  display:flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 0.74rem;
  color: #7B858C;
}
.post-meta span::before{ content: "・"; margin-right: 2px; color: #C3CAC6; }
.post-meta span:first-child::before{ content:""; margin-right:0; }

.empty-state{
  text-align:center;
  padding: 60px 20px;
  color: var(--ink-soft);
}
.empty-state p{ margin: 4px 0; }
.empty-sub{ font-size: 0.85rem; }

.loading-state{
  text-align:center;
  padding: 40px 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
}
.loading-state[hidden]{ display:none; }

/* ---------- FAB ---------- */
.fab{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  background: var(--flare);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 14px 20px 14px 16px;
  display:flex;
  align-items:center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 8px 22px rgba(232,134,42,0.45);
  transition: transform 0.12s ease, background 0.12s ease;
}
.fab:hover{ background: var(--flare-dark); transform: translateY(-2px); }
.fab span:first-child{ font-size: 1.2rem; line-height:1; }

/* ---------- 投稿フォーム画面 ---------- */
#view-form{
  max-width: 640px;
  margin: 0 auto;
  padding: 20px 18px 60px;
}
.form-header{ margin-bottom: 18px; }
.text-btn{
  background:none;
  border:none;
  color: var(--ai-navy);
  font-size: 0.85rem;
  padding: 4px 0;
  margin-bottom: 10px;
  font-weight:500;
}
.form-header h2{
  font-size: 1.35rem;
  color: var(--ink);
}
.form-lead{
  margin: 8px 0 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.post-form fieldset{
  border: none;
  padding: 0;
  margin: 0 0 26px;
}
.post-form legend{
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ai-navy);
  padding: 0 0 10px;
  border-bottom: 1.4px solid var(--line);
  width: 100%;
  margin-bottom: 14px;
}
.post-form label{
  display:block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink);
  margin: 14px 0 6px;
}
.post-form label .req{
  color: var(--alert);
  font-size: 0.68rem;
  font-weight: 500;
  margin-left: 6px;
  border: 1px solid var(--alert);
  border-radius: 4px;
  padding: 1px 5px;
}
.post-form label .opt{
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 500;
  margin-left: 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
}
.post-form input,
.post-form select,
.post-form textarea{
  width: 100%;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--ink);
  background: var(--paper-raised);
  border: 1.4px solid var(--line);
  border-radius: var(--radius-s);
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.12s ease;
}
.post-form textarea{ resize: vertical; line-height: 1.6; }
.post-form input:focus,
.post-form select:focus,
.post-form textarea:focus{
  border-color: var(--ai-navy);
}
.post-form input:focus-visible,
.post-form select:focus-visible,
.post-form textarea:focus-visible,
button:focus-visible,
.chip:focus-visible,
.post-card:focus-visible{
  outline: 2.5px solid var(--flare);
  outline-offset: 2px;
}

.primary-btn{
  width: 100%;
  background: var(--ai-navy);
  color: #fff;
  border: none;
  border-radius: var(--radius-s);
  padding: 14px;
  font-size: 1rem;
  font-weight: 700;
  margin-top: 6px;
  transition: background 0.12s ease;
}
.primary-btn:hover{ background: var(--ai-navy-dark); }
.primary-btn:disabled{ opacity: 0.6; cursor: not-allowed; }

.form-error{
  color: #fff;
  background: var(--alert);
  padding: 10px 14px;
  border-radius: var(--radius-s);
  font-size: 0.85rem;
  margin: 4px 0 14px;
}

.view[hidden]{ display:none; }

/* ---------- モーダル ---------- */
.modal-overlay{
  position: fixed;
  inset: 0;
  background: rgba(23,38,58,0.55);
  z-index: 50;
  display:flex;
  align-items: flex-end;
  justify-content: center;
}
.modal-overlay[hidden]{ display:none; }
.modal{
  background: var(--paper-raised);
  width: 100%;
  max-width: 640px;
  max-height: 86vh;
  overflow-y: auto;
  border-radius: 20px 20px 0 0;
  padding: 26px 22px 32px;
  position: relative;
  animation: modal-up 0.18s ease;
}
@media (min-width: 700px){
  .modal-overlay{ align-items:center; }
  .modal{ border-radius: var(--radius-l); }
}
@keyframes modal-up{
  from{ transform: translateY(16px); opacity:0; }
  to{ transform: translateY(0); opacity:1; }
}
.modal-close{
  position: absolute;
  top: 14px; right: 14px;
  background: var(--paper);
  border: none;
  width: 32px; height:32px;
  border-radius: 50%;
  font-size: 1.1rem;
  color: var(--ink-soft);
  line-height:1;
}
#modalTitle{
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ink);
  padding-right: 30px;
  margin-bottom: 4px;
}
.modal-cat{
  display:inline-block;
  margin-bottom: 14px;
}
.modal-section{ margin-bottom: 16px; }
.modal-section h4{
  font-size: 0.75rem;
  color: var(--ai-navy);
  text-transform: none;
  letter-spacing: 0.04em;
  margin: 0 0 4px;
  font-weight: 700;
}
.modal-section p{
  margin:0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink);
  white-space: pre-wrap;
}
.modal-meta-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  background: var(--paper);
  border-radius: var(--radius-s);
  padding: 12px 14px;
  margin-top: 6px;
}
.modal-meta-grid div{ font-size: 0.8rem; color: var(--ink-soft); }
.modal-meta-grid strong{ display:block; color: var(--ink); font-size: 0.86rem; margin-top: 2px; }

.modal-contact-note{
  margin-top: 18px;
  font-size: 0.78rem;
  color: var(--ink-soft);
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  line-height: 1.6;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 420px){
  .brand-text h1{ font-size: 1.5rem; }
  .fab-label{ display:none; }
  .fab{ padding: 14px; }
}