:root {
  --ink: #17211f;
  --muted: #62706c;
  --line: #dbe5df;
  --paper: #fbfdfb;
  --soft: #eef7f1;
  --teal: #0f766e;
  --teal-strong: #0b5f59;
  --lime: #b8e35b;
  --coral: #f26b5b;
  --sky: #dff3ff;
  --gold: #f2b84b;
  --shadow: 0 18px 42px rgba(23, 33, 31, .12);
  --radius: 8px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
}

* { box-sizing: border-box; }
html, body, #app { min-height: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
}

button, input, select, textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
}

.loading-screen, .seo-fallback {
  min-height: 100vh;
  display: grid;
  place-content: center;
  padding: 24px;
  text-align: center;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--teal);
  font-weight: 900;
  margin: 0 auto 12px;
}

.layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
}

.sidebar {
  min-height: 100vh;
  padding: 22px 16px;
  border-right: 1px solid var(--line);
  background: rgba(255,255,255,.86);
  position: sticky;
  top: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 20px;
}

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

.nav {
  display: grid;
  gap: 6px;
  margin-top: 28px;
}

.nav a, .mobile-tabs a {
  color: var(--muted);
  text-decoration: none;
  border-radius: var(--radius);
  padding: 11px 12px;
  font-weight: 750;
}

.nav a.active, .mobile-tabs a.active {
  color: var(--teal-strong);
  background: var(--soft);
}

.side-summary {
  margin-top: 28px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.side-summary strong {
  display: block;
  font-size: 14px;
}

.side-summary p {
  color: var(--muted);
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.5;
}

.content {
  min-width: 0;
  padding: 28px 32px 96px;
}

.hero {
  min-height: 360px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: end;
  gap: 28px;
  padding: 36px;
  border-radius: 0;
  background:
    linear-gradient(90deg, rgba(12,32,29,.82), rgba(12,32,29,.38)),
    url("https://images.unsplash.com/photo-1461896836934-ffe607ba8211?auto=format&fit=crop&w=1600&q=82") center/cover;
  color: #fff;
}

.hero h1 {
  margin: 0;
  font-size: 54px;
  line-height: 1.04;
  letter-spacing: 0;
}

.hero p {
  max-width: 620px;
  margin: 16px 0 0;
  color: rgba(255,255,255,.88);
  font-size: 18px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-stat {
  align-self: stretch;
  display: grid;
  align-content: end;
  gap: 10px;
}

.stat-tile {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.24);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 14px;
}

.stat-tile b {
  display: block;
  font-size: 26px;
}

.stat-tile span {
  color: rgba(255,255,255,.78);
  font-size: 13px;
}

.section {
  margin-top: 26px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 14px;
  margin-bottom: 12px;
}

.section h2 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0;
}

.section p.lead {
  margin: 5px 0 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.panel, .mate-card, .plan-row, .chat-shell, .form-surface {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 22px rgba(23,33,31,.06);
}

.panel {
  padding: 18px;
}

.drop-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 18px;
  align-items: center;
}

.drop-panel h2 {
  margin: 10px 0 0;
}

.drop-clock {
  min-height: 132px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 16px;
}

.drop-clock b {
  font-size: 30px;
}

.drop-clock span {
  color: rgba(255,255,255,.72);
  font-weight: 800;
  margin-top: 4px;
}

.empty-state {
  min-height: 210px;
  display: grid;
  align-content: center;
}

.metric {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.metric b {
  font-size: 28px;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--teal-strong);
  font-weight: 800;
  font-size: 12px;
}

.badge.coral {
  color: #8d3328;
  background: #ffe8e4;
}

.badge.gold {
  color: #765214;
  background: #fff2cf;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 14px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-weight: 850;
}

.btn.primary {
  border-color: var(--teal);
  background: var(--teal);
  color: #fff;
}

.btn.coral {
  border-color: var(--coral);
  background: var(--coral);
  color: #fff;
}

.btn.icon {
  width: 42px;
  padding: 0;
}

.mate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.mate-card {
  overflow: hidden;
}

.mate-photo {
  height: 176px;
  background: var(--soft);
  background-size: cover;
  background-position: center;
  position: relative;
}

.mate-photo .score {
  position: absolute;
  left: 10px;
  bottom: 10px;
  background: rgba(15,118,110,.94);
  color: #fff;
  border-radius: var(--radius);
  padding: 7px 9px;
  font-weight: 900;
}

.mate-body {
  padding: 14px;
}

.mate-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}

.mate-title h3 {
  margin: 0;
  font-size: 18px;
}

.mate-body p {
  color: var(--muted);
  line-height: 1.5;
  margin: 10px 0 0;
}

.privacy-note {
  font-size: 13px;
  color: var(--teal-strong) !important;
  background: var(--soft);
  border-radius: var(--radius);
  padding: 9px 10px;
}

.plan-row {
  padding: 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
}

.plan-row h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.plan-row p {
  margin: 0;
  color: var(--muted);
}

.form-surface {
  padding: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px 12px;
  background: #fff;
  color: var(--ink);
}

.field textarea {
  min-height: 92px;
  resize: vertical;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 14px;
}

.coach-score {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.score-ring {
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--teal) calc(var(--score) * 1%), #e8eee9 0);
}

.score-ring span {
  width: 74%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #fff;
  display: grid;
  place-items: center;
  font-size: 34px;
  font-weight: 950;
}

.chat-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 560px;
  overflow: hidden;
}

.chat-rooms {
  border-right: 1px solid var(--line);
  background: #f8fbf8;
}

.room {
  padding: 14px;
  border-bottom: 1px solid var(--line);
  font-weight: 850;
}

.messages {
  padding: 18px;
  display: grid;
  align-content: end;
  gap: 10px;
}

.bubble {
  max-width: 72%;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--soft);
  line-height: 1.45;
}

.bubble.mine {
  justify-self: end;
  background: var(--teal);
  color: #fff;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  max-width: 360px;
  padding: 13px 15px;
  border-radius: var(--radius);
  color: #fff;
  background: var(--ink);
  box-shadow: var(--shadow);
}

.mobile-tabs {
  display: none;
}

@media (max-width: 1060px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .content { padding: 18px 16px 92px; }
  .hero { grid-template-columns: 1fr; min-height: 520px; padding: 26px; }
  .hero h1 { font-size: 42px; }
  .grid.two, .grid.three, .mate-grid { grid-template-columns: 1fr; }
  .drop-panel { grid-template-columns: 1fr; }
  .coach-score, .chat-shell { grid-template-columns: 1fr; }
  .chat-rooms { border-right: 0; border-bottom: 1px solid var(--line); }
  .mobile-tabs {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    border-top: 1px solid var(--line);
    background: rgba(255,255,255,.96);
  }
  .mobile-tabs a {
    border-radius: 0;
    text-align: center;
    padding: 12px 4px;
    font-size: 12px;
  }
}

@media (max-width: 560px) {
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .section-head { align-items: start; flex-direction: column; }
  .plan-row { grid-template-columns: 1fr; }
}