:root {
  --bg: #f1f5f9;
  --bg-strong: #e2e8f0;
  --panel: rgba(255, 255, 255, 0.92);
  --line: rgba(148, 163, 184, 0.35);
  --text: #0f172a;
  --muted: #64748b;
  --header: #1e293b;
  --accent: #4f46e5;
  --accent-soft: #e0e7ff;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Pretendard", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79, 70, 229, 0.12), transparent 22%),
    radial-gradient(circle at bottom right, rgba(148, 163, 184, 0.18), transparent 28%),
    var(--bg);
}

body {
  min-height: 100vh;
}

button,
input,
a {
  font: inherit;
}

.hidden {
  display: none !important;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  padding: 32px;
}

.login-hero,
.login-card {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.login-hero {
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - 64px);
}

.login-hero h1,
.login-card h2,
.dashboard-header h2,
.stage-topline h3 {
  margin: 0;
}

.login-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.hero-text,
.helper-text {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 680px;
  margin: 20px 0 0;
  font-size: 16px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-points span {
  padding: 12px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(79, 70, 229, 0.12);
  color: #334155;
  font-size: 13px;
  font-weight: 800;
}

.login-card {
  align-self: center;
  padding: 28px;
  display: grid;
  gap: 16px;
}

.login-card-head {
  margin-bottom: 8px;
}

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  color: #475569;
}

.login-card input {
  min-height: 52px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  border-radius: 16px;
  padding: 14px 16px;
  background: #fff;
  outline: none;
}

.login-card input:focus {
  border-color: rgba(79, 70, 229, 0.55);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.login-card button,
.ghost-button,
.stage-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 14px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.login-card button {
  margin-top: 8px;
  border: none;
  color: #fff;
  background: var(--accent);
}

.helper-text {
  margin: 0;
  font-size: 13px;
}

.dashboard-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.dashboard-header {
  min-height: 88px;
  background: rgba(30, 41, 59, 0.96);
  color: #fff;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 18px 26px;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
}

.dashboard-header .eyebrow {
  color: #a5b4fc;
  margin-bottom: 6px;
}

.header-center {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  font-size: 13px;
  font-weight: 800;
}

.nav-pill.active {
  background: var(--accent);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 10px 24px rgba(79, 70, 229, 0.3);
}

.nav-pill.muted {
  color: #94a3b8;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-badge,
.user-badge {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.status-badge {
  background: rgba(79, 70, 229, 0.18);
  color: #c7d2fe;
}

.user-badge {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.ghost-button {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: transparent;
  color: #fff;
  padding: 0 16px;
}

.dashboard-main {
  flex: 1;
  min-height: calc(100vh - 88px);
  padding: 18px;
}

.main-stage {
  height: calc(100vh - 124px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.stage-topline {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 0 8px;
}

.stage-label {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.stage-topline h3 {
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stage-link {
  padding: 0 16px;
  color: var(--accent);
  border: 1px solid rgba(79, 70, 229, 0.18);
  background: rgba(255, 255, 255, 0.78);
}

.stage-frame {
  flex: 1;
  min-height: 0;
  border-radius: 28px;
  border: 1px solid rgba(148, 163, 184, 0.26);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.stage-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

@media (max-width: 1180px) {
  .dashboard-header {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .header-center {
    justify-content: flex-start;
  }

  .header-actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 980px) {
  .login-screen {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .login-hero {
    min-height: auto;
  }
}

@media (max-width: 720px) {
  .dashboard-main {
    padding: 12px;
  }

  .main-stage {
    height: calc(100vh - 170px);
  }

  .stage-topline {
    flex-direction: column;
    align-items: flex-start;
  }
}