/* ── common.css — CodeSync 공통 스타일 ── */

@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Pretendard:wght@300;400;500;600;700&display=swap");

:root {
  --bg: #0d0f14;
  --surface: #161920;
  --surface2: #1e2229;
  --surface3: #252b35;
  --border: #2a2f3a;
  --text: #e8eaf0;
  --text-muted: #6b7280;
  --text-dim: #3d4450;
  --green: #22c55e;
  --green-dark: #16a34a;
  --blue: #3b82f6;
  --blue-dark: #2563eb;
  --orange: #f97316;
  --orange-dark: #ea6c0a;
  --red: #f87171;
  --yellow: #facc15;
  --font-mono: "JetBrains Mono", monospace;
  --font-body: "Pretendard", sans-serif;
}

/* ── 라이트 테마 ── */
body.light {
  --bg: #f0f2f7;
  --surface: #ffffff;
  --surface2: #e8eaf0;
  --surface3: #dde0ea;
  --border: #c8cdd8;
  --text: #1a1d26;
  --text-muted: #6b7280;
  --text-dim: #a0a8b8;
}

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

/* 격자 배경 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

/* 카드 진입 애니메이션 */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 상태 메시지 (로그인·회원가입 공용) */
.status {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  min-height: 16px;
  text-align: center;
}
.status.error {
  color: var(--red);
}
.status.success {
  color: var(--green);
}

/* ── 테마 토글 버튼 ── */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    border-color 0.15s,
    background 0.15s;
  flex-shrink: 0;
  padding: 0;
}
.theme-toggle:hover {
  border-color: var(--text-muted);
  background: var(--surface3);
}

/* 버튼 안 두 원 */
.theme-toggle-inner {
  display: flex;
  align-items: center;
  gap: 3px;
}
.theme-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  transition: opacity 0.15s;
}
.theme-dot.dark-dot {
  background: #1a1d26;
  border: 1px solid var(--border);
}
.theme-dot.light-dot {
  background: #f0f2f7;
  border: 1px solid var(--border);
}

/* 현재 테마 원은 링 강조, 나머지는 흐리게 */
body:not(.light) .theme-dot.dark-dot {
  outline: 2px solid var(--text-muted);
  outline-offset: 1px;
}
body.light .theme-dot.light-dot {
  outline: 2px solid var(--text-muted);
  outline-offset: 1px;
}

/* 로그인/회원가입 페이지용 — 우측 상단 fixed */
.theme-toggle-fixed {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 999;
  height: 32px;
  width: 32px;
}