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

:root {
  --bg: #FAF9F7;
  --surface: #FFFFFF;
  --primary: #FF8C61;
  --primary-dark: #E86F3A;
  --primary-surface: #FFF0EB;
  --secondary: #5CD6B3;
  --success: #4ADE80;
  --success-light: #DCFCE7;
  --warning: #FBBF24;
  --error: #F87171;
  --error-light: #FEE2E2;
  --text-primary: #2D2A26;
  --text-secondary: #78716C;
  --text-tertiary: #B5AFA7;
  --divider: #F0EDE8;
  --disabled: #D6D3CE;
  --radius: 16px;
  --radius-s: 12px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 480px;
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  text-align: center;
  padding: 40px 0 32px;
}

.header-logo {
  font-size: 48px;
  margin-bottom: 8px;
}

.header-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.header-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Card */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--divider);
  padding: 28px 24px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

.card-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.3;
}

.card-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

/* Form */
.form-group {
  margin-bottom: 16px;
}

.input-wrapper {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 18px;
  pointer-events: none;
}

input[type="email"] {
  width: 100%;
  height: 56px;
  padding: 0 16px 0 48px;
  border: 1px solid var(--divider);
  border-radius: var(--radius-s);
  font-family: var(--font);
  font-size: 16px;
  color: var(--text-primary);
  background: var(--bg);
  outline: none;
  transition: border-color 0.2s;
}

input[type="email"]::placeholder {
  color: var(--text-tertiary);
}

input[type="email"]:focus {
  border-color: var(--primary);
}

/* Buttons */
.btn-primary {
  width: 100%;
  height: 58px;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #FFFFFF;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.2s, transform 0.1s;
}

.btn-primary:hover {
  opacity: 0.92;
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-danger {
  width: 100%;
  height: 58px;
  border: none;
  border-radius: var(--radius);
  background: var(--error);
  color: #FFFFFF;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.2s, transform 0.1s;
}

.btn-danger:hover {
  opacity: 0.92;
}

.btn-danger:active {
  transform: scale(0.98);
}

.btn-danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Alerts */
.alert {
  padding: 14px 16px;
  border-radius: var(--radius-s);
  font-size: 14px;
  line-height: 1.5;
  display: none;
  align-items: flex-start;
  gap: 10px;
}

.alert.visible {
  display: flex;
}

.alert-success {
  background: var(--success-light);
  color: #166534;
}

.alert-error {
  background: var(--error-light);
  color: #991B1B;
}

.alert-warning {
  background: #FEF3C7;
  color: #92400E;
}

.alert-icon {
  font-size: 18px;
  flex-shrink: 0;
  line-height: 1.3;
}

/* Warning box */
.warning-box {
  background: var(--error-light);
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: var(--radius-s);
  padding: 16px;
  margin-bottom: 24px;
}

.warning-box p {
  font-size: 13px;
  color: #991B1B;
  line-height: 1.6;
}

.warning-box strong {
  font-weight: 600;
}

/* Family info */
.family-info {
  background: var(--primary-surface);
  border-radius: var(--radius-s);
  padding: 20px;
  text-align: center;
  margin-bottom: 20px;
}

.family-emoji {
  font-size: 40px;
  margin-bottom: 8px;
}

.family-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.family-email {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Spinner */
.spinner {
  width: 22px;
  height: 22px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* States */
.state {
  display: none;
}

.state.active {
  display: block;
}

/* Loading state (full card) */
.loading-state {
  text-align: center;
  padding: 48px 0;
}

.loading-spinner-lg {
  width: 40px;
  height: 40px;
  border: 3px solid var(--divider);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 16px;
}

.loading-text {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Success state */
.success-state {
  text-align: center;
  padding: 32px 0;
}

.success-icon {
  font-size: 56px;
  margin-bottom: 12px;
}

.success-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

.success-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer */
.footer {
  text-align: center;
  padding: 32px 0;
}

.footer a {
  font-size: 12px;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.2s;
}

.footer a:hover {
  color: var(--primary);
}

.footer .sep {
  color: var(--divider);
  margin: 0 8px;
}