/* =====================================================
   byeduin VIVES — 공통 HeroUI 테마 CSS
   /common/hero-theme.css
   ===================================================== */

/* --- Light Mode (기본값) --- */
:root,
[data-theme="light"] {
  --bg:        #ffffff;
  --bg-sec:    #f4f4f5;
  --card-bg:   #f4f4f5;
  --border:    #e4e4e7;
  --fg:        #11181c;
  --fg-muted:  #71717a;
  --input-bg:  #f4f4f5;
  --primary:   #006fee;
  --primary-h: #005bc4;
  --primary-fg:#ffffff;
  --danger:    #f31260;
  --success:   #17c964;
  --shadow:    0 4px 24px rgba(0,0,0,0.08);
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --bg:        #0d0d0d;
  --bg-sec:    #1a1a1a;
  --card-bg:   #1a1a1a;
  --border:    #2a2a2a;
  --fg:        #ecedee;
  --fg-muted:  #888888;
  --input-bg:  #1a1a1a;
  --primary:   #006fee;
  --primary-h: #338ef7;
  --primary-fg:#ffffff;
  --danger:    #f31260;
  --success:   #17c964;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
}

/* --- Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--fg);
  transition: background 0.2s ease, color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

/* --- 공통 컴포넌트 --- */
.hero-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.hero-input {
  display: block;
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  color: var(--fg);
  font-size: 1rem;           /* iOS 자동 줌 방지 (16px 이상) */
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}

.hero-input:focus {
  border-color: var(--primary);
}

.hero-input::placeholder {
  color: var(--fg-muted);
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--primary);
  color: var(--primary-fg);
  border: none;
  border-radius: 0.75rem;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  font-family: inherit;
  min-height: 44px;          /* 모바일 터치 타겟 */
  text-decoration: none;
}

.hero-btn:hover  { background: var(--primary-h); }
.hero-btn:active { transform: scale(0.98); }
.hero-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.hero-btn-ghost {
  background: var(--card-bg);
  color: var(--fg);
  border: 1px solid var(--border);
}

.hero-btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--card-bg);
}

/* --- 앱 공통 헤더 --- */
.app-header {
  margin-bottom: 28px;
}

.app-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(0, 111, 238, 0.08);
  border: 1px solid rgba(0, 111, 238, 0.2);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 99px;
  margin-bottom: 12px;
}


.app-title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
  color: var(--fg);
}

.app-title span {
  color: var(--primary);
}

.app-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
  margin: 0;
}

/* --- 좌상단 플로팅 오버레이 (홈) --- */
.top-overlay-left {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  display: flex;
  gap: 8px;
  align-items: center;
}

/* --- 우상단 플로팅 오버레이 (테마·공유) --- */
.top-overlay {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 9999;
  display: flex;
  gap: 8px;
  align-items: center;
}

.overlay-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 9999px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--fg-muted);
  cursor: pointer;
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  white-space: nowrap;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  min-height: 36px;
  font-family: inherit;
  /* 반투명 배경 */
  background: color-mix(in srgb, var(--card-bg) 85%, transparent);
}

.overlay-btn:hover {
  color: var(--fg);
  border-color: var(--primary);
}

/* 다크모드에서 overlay-btn 보정 */
[data-theme="dark"] .overlay-btn {
  background: rgba(26, 26, 26, 0.85);
}

[data-theme="light"] .overlay-btn {
  background: rgba(244, 244, 245, 0.9);
}

/* ── 모바일: 텍스트 숨기고 아이콘만 표시 ── */
@media (max-width: 540px) {
  .overlay-btn { padding: 5px 8px; min-height: 30px; gap: 0; }
  .overlay-btn span { display: none; }
  .top-overlay, .top-overlay-left { top: 8px; gap: 6px; }
  .top-overlay { right: 8px; }
  .top-overlay-left { left: 8px; }
}