@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@300;400;600&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
  --background: #f9f8f6;
  --foreground: #26211d;
  --primary: #bc6338;
  --primary-dark: #9c4f2a;
  --primary-foreground: #ffffff;
  --secondary: #f1eae1;
  --muted: #f2ede6;
  --muted-foreground: #8c8479;
  --accent: #dceae4;
  --accent-foreground: #2c5b4b;
  --border: #e5dfd6;
  --card: #ffffff;
  --danger: #b5453a;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-pill: 999px;
}

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

body {
  background: var(--background);
  color: var(--foreground);
  font-family: 'Noto Sans KR', sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  padding-bottom: 84px;
}

h1, h2, h3, .serif {
  font-family: 'Noto Serif KR', Georgia, serif;
  font-weight: 300;
}

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

button { font-family: inherit; cursor: pointer; }

/* ---------- layout shells ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 0.8px solid var(--border);
  background: var(--background);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar .brand {
  font-family: 'Noto Serif KR', serif;
  font-weight: 400;
  font-size: 18px;
  letter-spacing: 0.5px;
}

.topbar .brand span { color: var(--primary); }

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

.icon-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  font-size: 12px;
  border-radius: var(--radius-pill);
  border: 0.8px solid var(--border);
  background: var(--card);
  color: var(--muted-foreground);
  transition: all .2s;
}
.icon-btn:hover { border-color: rgba(188,99,56,.4); background: rgba(188,99,56,.05); color: var(--foreground); }

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 28px 20px 40px;
}

/* ---------- bottom nav ---------- */

.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-around;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(6px);
  border-top: 0.8px solid var(--border);
  padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
  z-index: 30;
}
.bottom-nav a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  color: var(--muted-foreground);
  padding: 6px 2px;
  border-radius: 10px;
}
.bottom-nav a .ic { font-size: 18px; }
.bottom-nav a.active { color: var(--primary); font-weight: 500; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px 22px;
  border-radius: var(--radius-pill);
  border: none;
  font-size: 14px;
  font-weight: 500;
  transition: all .2s;
}
.btn-primary { background: var(--primary); color: var(--primary-foreground); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled { background: var(--muted); color: var(--muted-foreground); cursor: not-allowed; }
.btn-outline { background: var(--card); color: var(--foreground); border: 0.8px solid var(--border); }
.btn-outline:hover { border-color: rgba(188,99,56,.4); }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 14px; font-size: 12.5px; }
.btn-ghost { background: transparent; color: var(--muted-foreground); }
.btn-danger { background: transparent; color: var(--danger); border: 0.8px solid rgba(181,69,58,.3); }

/* ---------- cards / sections ---------- */

.card {
  background: var(--card);
  border: 0.8px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 2px 10px rgba(40,30,20,.04);
  padding: 20px;
}

.section-label {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted-foreground);
  font-weight: 600;
  margin-bottom: 8px;
}

.hr { height: 0.8px; background: var(--border); border: none; margin: 20px 0; }

/* ---------- form fields ---------- */

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12.5px; color: var(--muted-foreground); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 12px 14px;
  border: 0.8px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  font-size: 14px;
  font-family: inherit;
  color: var(--foreground);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: rgba(188,99,56,.5);
  box-shadow: 0 0 0 3px rgba(188,99,56,.1);
}
.radio-row { display: flex; gap: 16px; }
.radio-row label { display: flex; align-items: center; gap: 6px; font-size: 13.5px; cursor: pointer; white-space: nowrap; }

/* ---------- misc ---------- */

.center { text-align: center; }
.muted { color: var(--muted-foreground); }
.small { font-size: 12.5px; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
}
.badge-student { background: var(--accent); color: var(--accent-foreground); }
.badge-free { background: var(--muted); color: var(--muted-foreground); }
.badge-active { background: rgba(188,99,56,.12); color: var(--primary-dark); }

mark { background: none; color: var(--primary-dark); font-weight: 700; }

.spinner {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  animation: spin .8s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.toast {
  position: fixed;
  bottom: 90px; left: 50%;
  transform: translateX(-50%);
  background: var(--foreground);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  z-index: 100;
  opacity: 0;
  transition: opacity .25s;
  pointer-events: none;
}
.toast.show { opacity: .92; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--muted-foreground); }
.empty-state .ic { font-size: 32px; margin-bottom: 10px; }

.accordion { border: 0.8px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; margin-top: 14px; }
.accordion summary {
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-foreground);
  background: var(--accent);
  cursor: pointer;
  list-style: none;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion .accordion-body { padding: 14px; font-size: 13.5px; }

/* ---------- premium grid (subscribe / gated features) ---------- */

.premium-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.premium-card {
  border: 0.8px solid var(--border);
  border-radius: 16px;
  padding: 18px 14px;
  text-align: center;
  background: var(--card);
  position: relative;
}
.premium-card .ic { font-size: 26px; margin-bottom: 8px; }
.premium-card .title { font-size: 14px; font-weight: 600; }
.premium-card .desc { font-size: 11.5px; color: var(--muted-foreground); margin-top: 4px; line-height: 1.5; }
.lock-tag {
  position: absolute; top: 10px; right: 10px;
  font-size: 10px; padding: 3px 8px; border-radius: var(--radius-pill);
  background: rgba(188,99,56,.1); color: var(--primary-dark); font-weight: 600;
}

/* ---------- profile list ---------- */

.profile-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 18px;
  border: 0.8px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  margin-bottom: 12px;
}
.profile-card-main {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 0;
}
.profile-edit-btn {
  flex-shrink: 0;
  padding: 8px 10px;
  font-size: 16px;
  color: var(--muted-foreground);
  border-radius: var(--radius-sm);
}
.profile-edit-btn:hover { color: var(--primary-dark); background: var(--secondary); }
.profile-card .avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.profile-card .info { flex: 1; min-width: 0; }
.profile-card .name { font-size: 14.5px; font-weight: 600; }
.profile-card .rel { font-size: 11.5px; color: var(--muted-foreground); margin-top: 2px; }

.add-profile-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px; border-radius: 16px;
  border: 1.4px dashed var(--border);
  color: var(--muted-foreground);
  font-size: 13.5px;
  width: 100%;
  background: transparent;
}
.add-profile-btn:hover { border-color: rgba(188,99,56,.4); color: var(--primary-dark); }

/* ---------- result: dual cards ---------- */

.dual-card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.aspect-card {
  border: 0.8px solid var(--border);
  border-radius: 16px;
  padding: 18px 14px;
  text-align: center;
  background: var(--card);
}
.aspect-card .aspect-label { font-size: 10.5px; letter-spacing: 2px; text-transform: uppercase; color: var(--primary-dark); font-weight: 600; margin-bottom: 8px; }
.aspect-card .card-num { width: 40px; height: 40px; border-radius: 50%; background: var(--secondary); display: flex; align-items: center; justify-content: center; margin: 0 auto 10px; font-size: 15px; font-weight: 600; }
.aspect-card .card-name { font-size: 14.5px; font-weight: 600; }
.aspect-card .card-body { font-size: 12.5px; color: var(--foreground); margin-top: 10px; line-height: 1.7; text-align: left; }

.upsell-box { text-align: center; padding: 22px; background: var(--secondary); border-radius: 16px; margin-top: 20px; }
.upsell-box .ic { font-size: 22px; margin-bottom: 10px; }
.upsell-box p { font-size: 13.5px; line-height: 1.6; }