/* ============================================================
   MEMO SPACE — style.css
   深色現代系設計
   ============================================================ */

/* ── CSS 變數 ───────────────────────────────────────────── */
:root {
  --bg-900: #0a0a14;
  --bg-800: #10101e;
  --bg-700: #161628;
  --bg-600: #1e1e38;
  --bg-card: #14142a;
  --border: rgba(255,255,255,0.08);
  --border-focus: rgba(139,92,246,0.6);
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --primary-glow: rgba(124,58,237,0.3);
  --accent: #06b6d4;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #22c55e;
  --text-1: rgba(255,255,255,0.95);
  --text-2: rgba(255,255,255,0.65);
  --text-3: rgba(255,255,255,0.35);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-modal: 0 24px 64px rgba(0,0,0,0.7);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-900);
  color: var(--text-1);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── 工具類 ─────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── 頁面切換 ───────────────────────────────────────────── */
.page { display: none; }
.page.active { display: flex; flex-direction: column; min-height: 100vh; }

/* ============================================================
   AUTH PAGE
   ============================================================ */
#auth-page {
  position: relative;
  align-items: center;
  justify-content: center;
  background: var(--bg-900);
  overflow: hidden;
}

.auth-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.auth-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
  animation: blobFloat 8s ease-in-out infinite alternate;
}
.blob1 { width: 500px; height: 500px; background: #7c3aed; top: -120px; left: -160px; animation-delay: 0s; }
.blob2 { width: 400px; height: 400px; background: #06b6d4; bottom: -100px; right: -100px; animation-delay: 3s; }
.blob3 { width: 300px; height: 300px; background: #ec4899; top: 50%; left: 50%; transform: translate(-50%,-50%); animation-delay: 6s; }

@keyframes blobFloat {
  from { transform: translateY(0) scale(1); }
  to   { transform: translateY(30px) scale(1.05); }
}

.auth-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.logo-icon {
  font-size: 3.5rem;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 20px rgba(124,58,237,0.6));
  animation: floatIcon 3s ease-in-out infinite alternate;
}

@keyframes floatIcon {
  from { transform: translateY(0); }
  to   { transform: translateY(-8px); }
}

.logo-title {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #a78bfa, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.04em;
}

.logo-subtitle {
  font-size: 0.875rem;
  color: var(--text-2);
  margin-top: 6px;
}

.auth-tabs {
  display: flex;
  background: var(--bg-800);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 4px;
  margin-bottom: 20px;
}

.auth-tab {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text-2);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.auth-tab.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 12px var(--primary-glow);
}

.auth-form {
  display: none;
  flex-direction: column;
  gap: 14px;
  background: rgba(10,10,20,0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.auth-form.active { display: flex; }

.auth-message {
  margin-top: 12px;
  min-height: 20px;
  font-size: 0.85rem;
  text-align: center;
  border-radius: var(--radius-sm);
  padding: 0;
  transition: var(--transition);
}

.auth-message.error   { color: #fca5a5; background: rgba(239,68,68,0.12); padding: 10px 14px; }
.auth-message.success { color: #86efac; background: rgba(34,197,94,0.12);  padding: 10px 14px; }

/* ── 計數器（登入頁） ── */
.counter-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.counter-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  backdrop-filter: blur(10px);
}

.counter-eye  { font-size: 1rem; }
.counter-label { color: var(--text-2); }
.counter-num  { color: var(--primary-light); font-weight: 700; }

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.form-hint { text-transform: none; font-weight: 400; color: var(--text-3); font-size: 0.8rem; }
.required  { color: #f87171; }

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 12px;
  font-size: 1rem;
  pointer-events: none;
}

.form-input {
  width: 100%;
  padding: 11px 40px 11px 38px;
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input::placeholder { color: var(--text-3); }

.form-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}

/* 沒有左 icon 的 input */
.form-input.no-icon { padding-left: 12px; }

.form-textarea {
  width: 100%;
  padding: 12px;
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-family: inherit;
  font-size: 0.9rem;
  line-height: 1.6;
  resize: vertical;
  min-height: 120px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-textarea::placeholder { color: var(--text-3); }
.form-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}

.toggle-pw {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text-3);
  padding: 4px;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  background: linear-gradient(135deg, #7c3aed, #5b21b6);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 12px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #6d28d9, #4c1d95);
  box-shadow: 0 4px 20px rgba(124,58,237,0.5);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary.loading .btn-text::after {
  content: '';
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

.btn-full { width: 100%; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--bg-600);
  border-color: rgba(255,255,255,0.15);
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  background: var(--danger);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-danger:hover { background: var(--danger-hover); }

.btn-icon {
  width: 38px; height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-icon:hover {
  background: var(--primary);
  border-color: var(--primary);
}

/* 新增筆記按鈕特別樣式 */
.btn-add {
  background: linear-gradient(135deg, rgba(124,58,237,0.25), rgba(91,33,182,0.25));
  border-color: rgba(124,58,237,0.5);
  color: var(--primary-light);
  font-size: 1.3rem;
  font-weight: 400;
  box-shadow: 0 2px 10px rgba(124,58,237,0.25);
}

.btn-add:hover {
  background: linear-gradient(135deg, #7c3aed, #5b21b6) !important;
  border-color: var(--primary) !important;
  color: #fff !important;
  box-shadow: 0 4px 18px rgba(124,58,237,0.5);
}

.btn-logout:hover {
  background: rgba(239,68,68,0.2);
  border-color: rgba(239,68,68,0.4);
}

/* 新增筆記按鈕（header內） */
.btn-new-note {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  background: linear-gradient(135deg, #7c3aed, #5b21b6);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 14px rgba(124,58,237,0.45);
  flex-shrink: 0;
  letter-spacing: 0.01em;
}

.btn-new-note:hover {
  background: linear-gradient(135deg, #6d28d9, #4c1d95);
  box-shadow: 0 4px 22px rgba(124,58,237,0.6);
  transform: translateY(-1px);
}

.new-note-icon { font-size: 1.1rem; line-height: 1; font-weight: 400; }
.new-note-label { line-height: 1; }

/* FAB 悉浮新增按鈕（框面及手機版全期顯示） */
.fab-add {
  display: flex;
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c3aed, #5b21b6);
  border: none;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  z-index: 200;
  box-shadow: 0 4px 20px rgba(124,58,237,0.55), 0 2px 8px rgba(0,0,0,0.3);
  transition: transform var(--transition), box-shadow var(--transition);
  align-items: center;
  justify-content: center;
}

.fab-add:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(124,58,237,0.7);
}

/* 登出按鈕（低調中性風格） */
.btn-logout-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-logout-text:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.22);
  color: var(--text-1);
}

.logout-icon { flex-shrink: 0; display: flex; align-items: center; }
.logout-label { line-height: 1; }

/* 變更密碼按鈕（與登出按鈕同風格） */
.btn-change-pw {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-change-pw:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.22);
  color: var(--text-1);
}

.change-pw-label { line-height: 1; }

.btn-icon-sm {
  width: 32px; height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon-sm:hover { background: rgba(255,255,255,0.12); }
.btn-danger-sm:hover { background: rgba(239,68,68,0.2); border-color: rgba(239,68,68,0.4); }

/* ============================================================
   MAIN PAGE HEADER
   ============================================================ */
.main-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: rgba(10,10,20,0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-logo { font-size: 1.5rem; }

.header-title {
  font-size: 1.1rem;
  font-weight: 800;
  background: linear-gradient(135deg, #a78bfa, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.04em;
}

.header-center { flex: 1; max-width: 500px; margin: 0 auto; }

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.12);
}

.search-icon { font-size: 0.9rem; color: var(--text-3); flex-shrink: 0; }

.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-1);
  font-family: inherit;
  font-size: 0.875rem;
}

.search-input::placeholder { color: var(--text-3); }

.search-clear {
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 2px 4px;
  border-radius: 4px;
  flex-shrink: 0;
}

.search-clear:hover { color: var(--text-1); background: rgba(255,255,255,0.08); }

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.user-badge {
  font-size: 0.8rem;
  color: var(--text-2);
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 999px;
  padding: 4px 12px;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Filter Bar ─────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-800);
  overflow-x: auto;
  scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar { display: none; }

.filter-tags {
  display: flex;
  gap: 8px;
  flex: 1;
  flex-wrap: nowrap;
}

.filter-tag {
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.filter-tag:hover { border-color: rgba(124,58,237,0.4); color: var(--text-1); }

.filter-tag.active {
  background: rgba(124,58,237,0.2);
  border-color: rgba(124,58,237,0.5);
  color: var(--primary-light);
  font-weight: 600;
}

.sort-select {
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-family: inherit;
  font-size: 0.8rem;
  padding: 5px 10px;
  cursor: pointer;
  outline: none;
  flex-shrink: 0;
}

/* ── Notes Grid ─────────────────────────────────────────── */
.main-content {
  flex: 1;
  padding: 24px;
  padding-right: calc(24px + 44px); /* 給廣告側邊欄留空間 */
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

/* ── Note Card ─────────────────────────────────────────── */
.note-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: grab;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
  /* 讓 footer 始終固定在底部 */
  display: flex;
  flex-direction: column;
}

.note-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #7c3aed, #06b6d4);
  opacity: 0;
  transition: opacity var(--transition);
}

.note-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: rgba(124,58,237,0.3);
}

.note-card:hover::before { opacity: 1; }

.note-card:active { cursor: grabbing; }

/* SortableJS 狀態 */
.note-card.sortable-chosen {
  cursor: grabbing;
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
  z-index: 20;
}

.note-card.sortable-ghost {
  opacity: 0.35;
  box-shadow: none !important;
}

.note-card.sortable-swap-highlight {
  border-color: var(--primary) !important;
  background: rgba(124,58,237,0.1) !important;
  box-shadow: 0 0 0 2px rgba(124,58,237,0.4) !important;
}

.card-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.card-title {
  flex: 1;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  cursor: pointer;
}

.card-title:hover { color: var(--primary-light); }

.card-tag {
  flex-shrink: 0;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(124,58,237,0.2);
  border: 1px solid rgba(124,58,237,0.3);
  color: #a78bfa;
}

.card-content {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  white-space: pre-wrap;
  cursor: pointer;
}

.card-images {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  overflow: hidden;
}

.card-thumb {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform var(--transition);
}

.card-thumb:hover { transform: scale(1.05); }

.card-more-images {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  background: rgba(124,58,237,0.2);
  border: 1px solid rgba(124,58,237,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-light);
  cursor: pointer;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;   /* 始終沉到底部 */
  padding-top: 10px;
}

.card-date {
  font-size: 0.75rem;
  color: var(--text-3);
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.drag-handle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  font-size: 1rem;
  color: var(--text-3);
  cursor: grab;
  border-radius: 5px;
  transition: color 0.15s, background 0.15s;
  user-select: none;
}

.drag-handle:hover {
  color: var(--text-2);
  background: rgba(255,255,255,0.09);
}

.drag-handle:active { cursor: grabbing; }

/* ── Empty State ─────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  gap: 16px;
  text-align: center;
}

.empty-icon { font-size: 4rem; opacity: 0.4; }
.empty-title { font-size: 1.2rem; font-weight: 700; color: var(--text-2); }
.empty-desc  { font-size: 0.875rem; color: var(--text-3); max-width: 300px; }

/* ── Footer ─────────────────────────────────────────────── */
.main-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-800);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-2);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  background: rgba(255,255,255,0.04);
  transition: var(--transition);
}

.brand-link:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--text-1);
  background: rgba(255,255,255,0.08);
}

.brand-icon {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  object-fit: contain;
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active { display: flex; }

.modal-box {
  background: var(--bg-800);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-modal);
  animation: modalIn 0.25s cubic-bezier(0.4,0,0.2,1);
}

.modal-box-detail { max-width: 640px; }
.modal-box-sm     { max-width: 380px; }

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  width: 28px; height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-2);
  cursor: pointer;
  font-size: 0.85rem;
  transition: var(--transition);
}

.modal-close:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scrollbar-width: thin;
  scrollbar-color: rgba(124,58,237,0.3) transparent;
}

.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── 圖片上傳區 ─────────────────────────────────────────── */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: rgba(124,58,237,0.5);
  background: rgba(124,58,237,0.05);
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.upload-icon { font-size: 2rem; }
.upload-text { font-size: 0.875rem; color: var(--text-2); }
.upload-hint { font-size: 0.75rem; color: var(--text-3); }

.image-preview-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-remove {
  position: absolute;
  top: 4px; right: 4px;
  width: 20px; height: 20px;
  background: rgba(0,0,0,0.7);
  border: none;
  border-radius: 4px;
  color: #fff;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.preview-remove:hover { background: var(--danger); }

.upload-progress {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-600);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-text { font-size: 0.8rem; color: var(--text-2); flex-shrink: 0; }

/* ── Detail Modal Content ──────────────────────────────── */
.detail-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(124,58,237,0.2);
  border: 1px solid rgba(124,58,237,0.3);
  color: #a78bfa;
}

.detail-tag:empty { display: none; }

.detail-content {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.7;
  white-space: pre-wrap;
}

.detail-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
}

.detail-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform var(--transition);
}

.detail-img:hover { transform: scale(1.02); }

.detail-meta {
  font-size: 0.75rem;
  color: var(--text-3);
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* ── Confirm Dialog ─────────────────────────────────────── */
.confirm-text {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.6;
}

/* ============================================================
   TOAST
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}

.toast {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  animation: toastIn 0.3s ease;
  pointer-events: auto;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(16px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.toast.success { background: rgba(34,197,94,0.15);  border-color: rgba(34,197,94,0.3);  color: #86efac; }
.toast.error   { background: rgba(239,68,68,0.15);  border-color: rgba(239,68,68,0.3);  color: #fca5a5; }
.toast.info    { background: rgba(124,58,237,0.15); border-color: rgba(124,58,237,0.3); color: #a78bfa; }

/* ============================================================
   廣告側邊欄（依 game-ads skill 規範）
   ============================================================ */
.ad-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  z-index: 1000;
  display: flex;
  align-items: center;
  pointer-events: none;
}

.ad-toggle {
  pointer-events: auto;
  width: 40px;
  height: 52px;
  border: 1px solid rgba(255,255,255,0.12);
  border-right: none;
  border-radius: 12px 0 0 12px;
  background: rgba(18,18,40,0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: -4px 0 20px rgba(0,0,0,0.3);
  transition: background 0.3s;
  flex-shrink: 0;
}

.ad-toggle:hover { background: rgba(30,30,60,0.96); }
.ad-toggle .ad-toggle-icon  { display: block; }
.ad-toggle .ad-toggle-close { display: none; font-size: 1rem; color: rgba(255,255,255,0.6); }
.ad-sidebar.open .ad-toggle .ad-toggle-icon  { display: none; }
.ad-sidebar.open .ad-toggle .ad-toggle-close { display: block; }

.ad-panel {
  pointer-events: auto;
  width: 0;
  overflow: hidden;
  background: rgba(18,18,40,0.94);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid rgba(255,255,255,0.12);
  box-shadow: -6px 0 32px rgba(0,0,0,0.45);
  transition: width 0.35s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.ad-sidebar.open .ad-panel { width: 300px; }

.ad-panel-header {
  padding: 20px 20px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.ad-panel-title {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
}

.ad-panel-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  overflow-y: auto;
}

.ad-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  text-decoration: none;
  color: inherit;
  transition: background 0.3s, transform 0.3s, border-color 0.3s;
  cursor: pointer;
}

.ad-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateX(-2px);
  border-color: rgba(139,92,246,0.3);
}

.ad-card-icon {
  flex-shrink: 0;
  width: 60px; height: 60px;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255,255,255,0.06);
  transition: transform 0.3s;
}

.ad-card:hover .ad-card-icon { transform: scale(1.05); }

.ad-card-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }

.ad-card-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ad-card-name {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ad-card-desc { font-size: 0.8rem; color: rgba(255,255,255,0.45); }

.ad-card-arrow {
  flex-shrink: 0;
  font-size: 1.5rem;
  color: rgba(255,255,255,0.25);
  transition: color 0.3s, transform 0.3s;
  line-height: 1;
}

.ad-card:hover .ad-card-arrow {
  color: #a78bfa;
  transform: translateX(3px);
}

.ad-panel-badge {
  padding: 12px;
  text-align: center;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .main-content { padding: 16px; }
  .main-header  { padding: 12px 16px; gap: 10px; }
  .header-title { font-size: 0.9rem; }
  .header-center { display: none; }
  .header-right { margin-left: auto; }  /* 帳號+登出推到右側 */
  .notes-grid   { grid-template-columns: 1fr; }
  .filter-bar   { padding: 8px 16px; }
  .main-footer  { padding: 12px 16px; justify-content: center; }
  .image-preview-grid { grid-template-columns: repeat(3, 1fr); }
  .fab-add { bottom: 20px; right: 16px; width: 52px; height: 52px; font-size: 1.8rem; }

  .ad-toggle { width: 34px; height: 44px; font-size: 1rem; }
  .ad-sidebar.open .ad-panel { width: 240px; }
  .ad-card-icon { width: 48px; height: 48px; border-radius: 12px; }
  .ad-card { padding: 12px; gap: 10px; }
  .ad-card-name { font-size: 0.9rem; }
  .ad-card-arrow { font-size: 1.3rem; }
}

@media (max-width: 480px) {
  .modal-box { max-height: 92vh; margin: 16px; }  /* 置中顯示，移除底部彈出 */
  .modal-overlay { align-items: center; padding: 16px; }
}