/* ============================================================
   HYPER GOLF 予約システム - スタイルシート
   ============================================================ */

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

:root {
  --green: #1a7c4f;
  --green-light: #e8f5ee;
  --green-dark: #145e3b;
  --gold: #c9a227;
  --text: #1a1a1a;
  --text-muted: #666;
  --border: #d4d4d4;
  --bg: #f5f7f5;
  --white: #fff;
  --red: #d32f2f;
  --red-light: #fdecea;
  --blue: #1565c0;
}

body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}

/* ── ヘッダー ── */
.site-header {
  text-align: center;
  padding: 32px 0 24px;
}
.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: .1em;
  margin-bottom: 8px;
}
.site-header h1 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--green-dark);
}
.subtitle {
  margin-top: 6px;
  font-size: .85rem;
  color: var(--text-muted);
}

/* ── カード ── */
.card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
  padding: 24px;
  margin-bottom: 20px;
}

/* ── ステップバッジ ── */
.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── 日付ラベル ── */
.date-label {
  font-size: .95rem;
  color: var(--green-dark);
  font-weight: 600;
  margin-bottom: 12px;
}

/* ── 枠グリッド ── */
.slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}
.slot-btn {
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 10px 6px;
  background: var(--white);
  cursor: pointer;
  text-align: center;
  transition: all .15s;
}
.slot-btn:hover:not(.full):not(.selected) {
  border-color: var(--green);
  background: var(--green-light);
}
.slot-btn.selected {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}
.slot-btn.full {
  border-color: var(--border);
  background: #f0f0f0;
  color: #aaa;
  cursor: not-allowed;
}
.slot-time { font-size: 1rem; font-weight: 700; }
.slot-avail { font-size: .72rem; margin-top: 3px; }
.slot-btn.selected .slot-avail { color: rgba(255,255,255,.8); }
.slot-btn.full .slot-avail { color: #bbb; }

/* ── フォーム ── */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--text-muted);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  padding: 10px 12px;
  font-size: .95rem;
  font-family: inherit;
  transition: border-color .15s;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--green); }
.required { color: var(--red); margin-left: 2px; }
.field-note { font-size: .78rem; color: var(--text-muted); margin-top: 4px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}
@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ── ボタン ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: opacity .15s, transform .1s;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { opacity: .88; }
.btn-secondary { background: #e8e8e8; color: var(--text); }
.btn-secondary:hover { opacity: .8; }
.btn-danger { background: var(--red); color: #fff; font-size: .8rem; padding: 6px 12px; border-radius: 6px; }
.btn-sm { padding: 7px 14px; font-size: .82rem; }

.btn-row {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* ── 選択中枠情報 ── */
.selected-slot-info {
  background: var(--green-light);
  border-left: 4px solid var(--green);
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 20px;
  font-weight: 600;
  font-size: .9rem;
  color: var(--green-dark);
}

/* ── 完了画面 ── */
.done-icon { font-size: 3rem; text-align: center; margin-bottom: 10px; }
#step-done h2 { text-align: center; font-size: 1.3rem; margin-bottom: 16px; }
.done-summary {
  background: var(--green-light);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
  font-size: .9rem;
  line-height: 1.7;
}

/* ── メッセージ ── */
.error-msg {
  background: var(--red-light);
  color: var(--red);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: .85rem;
  margin-top: 10px;
}
.success-msg {
  background: var(--green-light);
  color: var(--green-dark);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: .85rem;
  margin-top: 10px;
}
.loading-msg { color: var(--text-muted); font-size: .9rem; padding: 12px 0; }
.empty-msg { color: var(--text-muted); text-align: center; padding: 24px 0; }

/* ── 管理テーブル ── */
.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}
.list-controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}
thead th {
  background: var(--green);
  color: #fff;
  padding: 10px 8px;
  text-align: left;
  white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:hover { background: var(--green-light); }
tbody td { padding: 9px 8px; vertical-align: top; }
tbody tr.cancelled td { color: #aaa; text-decoration: line-through; }
.badge-confirmed {
  background: #e8f5ee; color: var(--green-dark);
  border-radius: 4px; padding: 2px 7px; font-size: .75rem; font-weight: 700;
}
.badge-cancelled {
  background: #f0f0f0; color: #999;
  border-radius: 4px; padding: 2px 7px; font-size: .75rem; font-weight: 700;
}

/* ── キャンセル案内 ── */
.cancel-notice {
  background: #fff8e1;
  border: 1.5px solid var(--gold);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 20px;
  text-align: center;
  font-size: .9rem;
  line-height: 1.7;
  color: #5a4000;
}
.cancel-notice strong { color: #3a2800; }

.hidden { display: none !important; }