@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:ital,opsz,wght@0,6..12,400;0,6..12,600;0,6..12,700;1,6..12,400&display=swap');

:root {
  --primary: #f54012;
  --primary-hover: #e0380d;
  --primary50: #feebe7;
  --primary100: #fdd7ce;
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-alt: #f2f2f2;
  --text: #151515;
  --text2: #4d4d4d;
  --muted: #666666;
  --border: #e6e6e6;
  --error: #ff453a;
  --error-bg: #feebe7;
  --success-bg: #ecfdf5;
  --success-text: #065f46;
  --error-text: #991b1b;
  --warn-bg: #fffbeb;
  --warn-text: #92400e;
  --radius: 24px;
  --shadow: 0 1px 2px rgb(21 21 21 / 4%), 0 12px 32px -8px rgb(21 21 21 / 10%);
  --btn-shadow: 0 4px 14px -3px rgb(245 64 18 / 50%);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* == brand == */

.brand-logo {
  display: block;
  width: 160px;
  height: auto;
}

.brand-logo--sm {
  width: 120px;
}

.brand-block {
  text-align: center;
  margin-bottom: 1.5rem;
}

.brand-block .brand-logo {
  margin: 0 auto 0.5rem;
}

/* == top bar == */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  line-height: 1.2;
}

.topbar-sub {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-label {
  font-size: 0.875rem;
  color: var(--muted);
}

.btn-logout {
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
}

.btn-logout:hover {
  border-color: var(--primary100);
  background: var(--primary50);
  color: var(--primary);
}

/* == main page == */

.page {
  max-width: 560px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

.page h1 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  font-weight: 700;
}

.lead {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.presets {
  margin-bottom: 1.25rem;
}

.presets .label {
  display: block;
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.preset {
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-family: inherit;
  font-size: 0.8125rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.preset:hover {
  border-color: var(--primary100);
  background: var(--primary50);
  color: var(--primary);
}

.preset:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.field input {
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.15s, outline 0.15s;
}

.field input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 0;
  border-color: var(--primary);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1.25rem;
  border: none;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--btn-shadow);
  transition: background 0.18s, transform 0.12s;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.985);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary:disabled {
  background: var(--border);
  color: var(--muted);
  box-shadow: none;
  cursor: not-allowed;
}

.btn-spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid rgb(255 255 255 / 35%);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hint {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

.alert {
  margin-top: 1rem;
  padding: 0.875rem 1rem;
  border-radius: 12px;
  font-size: 0.9375rem;
}

.alert.success {
  background: var(--success-bg);
  color: var(--success-text);
}

.alert.error {
  background: var(--error-bg);
  color: var(--error-text);
}

.alert.warn {
  background: var(--warn-bg);
  color: var(--warn-text);
}

.alert a {
  color: var(--primary);
  font-weight: 600;
}

/* == login == */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
  background: var(--bg);
  background-image: radial-gradient(120% 60% at 50% 0%, var(--primary50) 0%, #d8e2f3 55%, var(--bg) 100%);
  background-repeat: no-repeat;
  background-size: 100% 420px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
}

.login-sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 600;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.btn-block {
  width: 100%;
}

@media (max-width: 520px) {
  .field-row {
    grid-template-columns: 1fr;
  }

  .page {
    padding: 1.25rem 1rem 2rem;
  }

  .user-label {
    display: none;
  }

  .topbar-brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.125rem;
  }

  .brand-logo--sm {
    width: 100px;
  }
}