/* Login page inspired by StrideSmart dashboard */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --surface-0: #f5f2eb;
  --surface-1: #ffffff;
  --text-primary: #1b1a17;
  --text-secondary: #5a5349;
  --text-muted: #8a7f6f;
  --accent: #c26b34;
  --accent-hover: #a85525;
  --border-medium: #d4c8b8;
  --radius: 12px;
  --shadow: 0 12px 30px rgba(27, 26, 23, 0.12);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --font-display: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

body {
  font-family: var(--font);
  background: radial-gradient(circle at top, #fbf9f4, #f1eadf 60%, #e9dfd1 100%);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.login-shell {
  width: min(520px, 100%);
}

.login-card {
  background: var(--surface-1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius);
  padding: var(--space-8);
  box-shadow: var(--shadow);
  display: grid;
  gap: var(--space-4);
  text-align: center;
}

.brand-mark {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  border: 2px solid var(--accent);
  color: var(--accent);
  display: grid;
  place-items: center;
  margin: 0 auto;
  background: #f8f1e7;
}

.brand-mark svg {
  width: 28px;
  height: 28px;
}

h1 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.02em;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.login-form {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.field {
  display: grid;
  gap: var(--space-1);
  text-align: left;
}

.field span {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-weight: 600;
}

.field input {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-medium);
  font-size: 0.95rem;
  font-family: var(--font);
  outline: none;
  transition: border 180ms ease, box-shadow 180ms ease;
}

.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(194, 107, 52, 0.15);
}

.btn {
  padding: 12px 18px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease;
}

.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.helper {
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 480px) {
  .login-card {
    padding: var(--space-6);
  }
}