@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
  --teal-950: #062120;
  --teal-900: #0b3532;
  --teal-800: #0f4b47;
  --teal-700: #125e58;
  --teal-600: #15746c;
  --teal-500: #1f9186;
  --teal-300: #71cec0;
  --teal-100: #d3f1ec;
  --teal-50: #eefaf8;
  --signal-400: #f5b241;
  --signal-500: #eb9a1e;
  --signal-600: #c97e11;
  --paper: #f6f7f5;
  --concrete: #edebe4;
  --concrete-dark: #d8d4c8;
  --ink: #0e1f1c;
  --muted: #6b7280;
  --danger: #d64545;
  --success: #2f6b45;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--concrete);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.back-btn {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 100;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: white;
  border: 1px solid var(--concrete-dark);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--teal-900);
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
}

.back-btn:hover {
  background: var(--teal-50);
}

.back-btn:active {
  transform: scale(0.97);
}

.auth-card {
  background: var(--paper);
  border-radius: 20px;
  padding: 32px 26px;
  max-width: 380px;
  width: 100%;
  box-shadow: 0 1px 2px rgba(11,53,50,0.06), 0 8px 24px -12px rgba(11,53,50,0.15);
}

.auth-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.auth-logo-badge {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--signal-500);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-950);
}

.auth-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.02em;
  color: var(--teal-950);
}

.auth-tagline {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

.field-group {
  margin-bottom: 16px;
}

.field-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

.input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--concrete-dark);
  border-radius: 10px;
  padding: 0 12px;
  background: white;
}

.input-wrap svg {
  color: var(--muted);
  flex-shrink: 0;
}

.input-wrap input {
  border: none;
  outline: none;
  padding: 11px 0;
  font-size: 14px;
  flex: 1;
  background: transparent;
  color: var(--ink);
  min-width: 0;
}

.input-wrap input:focus {
  outline: none;
}

.btn-primary {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 999px;
  background: var(--signal-500);
  color: var(--teal-950);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  margin-top: 4px;
  transition: background 0.2s, opacity 0.2s, transform 0.1s;
}

.btn-primary:hover {
  background: var(--signal-400);
}

.btn-primary:active {
  transform: scale(0.97);
}

.auth-footer {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}

.auth-footer a {
  color: var(--teal-700);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.auth-footer a:hover {
  color: var(--signal-600);
}

*:focus-visible {
  outline: 2px solid var(--teal-500);
  outline-offset: 2px;
}