/* ============================================================
   base.css — 全域設計 token、reset、排版、通用元件
   ============================================================ */

/* ── Design Tokens ── */
:root {
  /* 色彩 */
  --bg:          #0a0a0a;
  --surface:     #111111;
  --surface2:    #1a1a1a;
  --surface3:    #222222;
  --border:      rgba(255, 255, 255, 0.08);
  --border-md:   rgba(255, 255, 255, 0.14);
  --border-hi:   rgba(255, 255, 255, 0.22);

  --pink:        #f01e7a;
  --pink-bright: #ff4fa0;
  --pink-dim:    rgba(240, 30, 122, 0.12);
  --pink-border: rgba(240, 30, 122, 0.35);

  --text:        #f0f0f0;
  --text-dim:    #999999;
  --text-muted:  #555555;

  /* 字型 */
  --font: -apple-system, "Noto Sans TC", "PingFang TC",
          "Microsoft JhengHei", sans-serif;
  --font-mono: "SF Mono", "Fira Code", monospace;

  /* 圓角 */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 20px;

  /* 間距 */
  --nav-h: 56px;
  --page-pad: 24px;
  --page-pad-sm: 16px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }

/* ── 頁面切換 ── */
.page { display: none; }
.page.active { display: block; }

/* ── 主內容區域 ── */
#app {
  padding-top: var(--nav-h);
  min-height: 100dvh;
}

/* ── 通用按鈕 ── */
.btn-ghost {
  padding: 7px 16px;
  font-size: 13px;
  border: 1px solid var(--border-md);
  border-radius: var(--r-md);
  background: transparent;
  color: var(--text-dim);
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover {
  border-color: var(--border-hi);
  color: var(--text);
}

.btn-pink {
  padding: 7px 18px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  border-radius: var(--r-md);
  background: var(--pink);
  color: #fff;
  letter-spacing: 0.2px;
  transition: background 0.15s, transform 0.1s;
}
.btn-pink:hover  { background: var(--pink-bright); }
.btn-pink:active { transform: scale(0.97); }

.btn-outline-pink {
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--pink-border);
  border-radius: var(--r-md);
  background: transparent;
  color: var(--pink-bright);
  transition: background 0.15s;
}
.btn-outline-pink:hover { background: var(--pink-dim); }

/* ── 狀態 Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: var(--r-xl);
  letter-spacing: 0.3px;
}
.badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}
.badge-live     { background: rgba(240,30,122,0.18); color: #ff4fa0; border: 1px solid var(--pink-border); }
.badge-open     { background: rgba(30,180,240,0.13); color: #4fc8ff; border: 1px solid rgba(30,180,240,0.3); }
.badge-done     { background: rgba(255,255,255,0.05); color: var(--text-muted); border: 1px solid var(--border); }
.badge-upcoming { background: rgba(180,240,30,0.1); color: #a0d84f; border: 1px solid rgba(180,240,30,0.25); }

/* ── Tag（尺寸標籤等）── */
.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--r-sm);
  background: var(--surface2);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

/* ── Toast 通知 ── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 12px 18px;
  background: var(--surface2);
  border: 1px solid var(--border-md);
  border-radius: var(--r-md);
  font-size: 13px;
  color: var(--text);
  animation: slideUp 0.2s ease;
  max-width: 280px;
}
.toast.success { border-left: 3px solid var(--pink); }
.toast.error   { border-left: 3px solid #e24b4a; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 載入動畫 ── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-md);
  border-top-color: var(--pink);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 60px 24px;
  color: var(--text-muted);
  font-size: 14px;
}

.empty-state {
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}
.empty-state p { margin-top: 8px; font-size: 13px; }

/* ── 表單基礎元素 ── */
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 7px;
  letter-spacing: 0.3px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 10px 13px;
  font-size: 14px;
  background: var(--surface);
  border: 1px solid var(--border-md);
  border-radius: var(--r-md);
  color: var(--text);
  transition: border-color 0.15s;
  appearance: none;
  -webkit-appearance: none;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--pink-border);
}
.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-muted);
}
.field-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 5px;
}

/* ── 響應式斷點 ── */
@media (max-width: 640px) {
  :root {
    --page-pad: var(--page-pad-sm);
  }
  .toast-container {
    bottom: 16px;
    right: 16px;
    left: 16px;
  }
  .toast { max-width: 100%; }
}