/* =============================================
           Design Tokens
============================================= */
:root {
  --color-bg: #f7f6f2;
  --color-surface: #ffffff;
  --color-surface-hover: #f3f7f5;
  --color-border: #d4d1ca;
  --color-text: #28251d;
  --color-text-muted: #7a7974;
  --color-primary: #01696f;
  --color-primary-hover: #0c4e54;
  --color-primary-highlight: #cedcd8;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --shadow-md: 0 4px 16px oklch(0.2 0.01 80 / 0.09);
  --shadow-lg: 0 8px 32px oklch(0.2 0.01 80 / 0.13);
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
}

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

html {
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  background-color: var(--color-bg);
  font-family: 'Pretendard', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
}

a {
  text-decoration: none;
  color: inherit;
}

/* =============================================
           Layout
        ============================================= */
.main-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  padding: var(--space-8) var(--space-4);
  width: 100%;
  max-width: 640px;
}

/* =============================================
           Logo
        ============================================= */
.logo-area {
  display: flex;
  justify-content: center;
  width: 100%;
}

.logo-area img {
  /* 3:1 비율 유지 */
  width: clamp(240px, 55vw, 360px);
  height: auto;
  object-fit: contain;
}

/* =============================================
           Card Row
        ============================================= */
.card-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
  width: 100%;
}

.card-row > div:has(> .menu-card) {
  display: contents;
}

/* 권한 카드가 있을 때 3열 */
.card-row--three {
  grid-template-columns: repeat(3, 1fr);
}

/* =============================================
           Menu Card
        ============================================= */
.menu-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text, #28251d) l c h / 0.10);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  cursor: pointer;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition);
  min-height: 160px;
}

.menu-card:hover {
  background: var(--color-surface-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.menu-card:active {
  transform: translateY(0px);
  box-shadow: var(--shadow-md);
}

.menu-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-xl);
}

.menu-card--static {
  cursor: default;
}

.menu-card--static:hover {
  transform: none;
  box-shadow: var(--shadow-md);
  background: var(--color-surface);
}
/* 아이콘 래퍼 */
.card-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-highlight);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  flex-shrink: 0;
}

.card-icon--admin,
.card-icon--evaluator {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

.card-icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.75;
}

/* 카드 라벨 */
.card-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
  line-height: 1.4;
}

/* 카드 하위 이름 (작은 글씨) */
.card-sub {
  font-size: clamp(0.75rem, 0.7rem + 0.2vw, 0.875rem);
  color: var(--color-text-muted);
  text-align: center;
}

/* =============================================
           로그인 버튼 그룹 (비로그인 상태)
        ============================================= */
.btn-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
}

.btn {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: center;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  border: 1.5px solid var(--color-primary);
}

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

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-highlight);
}

.btn:active {
  opacity: 0.85;
}

/* =============================================
           Responsive — 모바일
        ============================================= */
@media (max-width: 480px) {
  .card-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .menu-card {
    padding: var(--space-6) var(--space-4);
    min-height: 140px;
  }

  .card-icon {
    width: 44px;
    height: 44px;
  }

  .card-icon svg {
    width: 22px;
    height: 22px;
  }

  .card-row--three {
    grid-template-columns: 1fr 1fr;
  }
}