/* 모닝미주 Design System */

/* CSS Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scrollbar-gutter: stable;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', system-ui, 'Segoe UI', Roboto, 'Malgun Gothic', sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  color: #4a4a4a;
  background-color: #ffffff;
}

/* Color Variables */
:root {
  --color-primary: #f59e0b;
  --color-primary-dark: #d97706;
  --color-primary-light: #fbbf24;
  --color-accent: #667eea;
  --color-accent-dark: #5a67d8;
  --color-text-heading: #1a1a1a;
  --color-text-body: #4a4a4a;
  --color-text-muted: #6b7280;
  --color-bg-white: #ffffff;
  --color-bg-light: #fafafa;
  --color-bg-gray: #f0f0f0;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-error: #ef4444;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-heading);
  font-weight: 700;
  letter-spacing: -0.3px;
  line-height: 1.3;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-dark);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 768px;
}

/* Section Spacing */
.section {
  padding: 80px 0;
}

.section-sm {
  padding: 48px 0;
}

@media (max-width: 768px) {
  .section {
    padding: 48px 0;
  }

  .section-sm {
    padding: 32px 0;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-bg-light);
  color: var(--color-text-heading);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-bg-gray);
  color: var(--color-text-heading);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: white;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-text-heading);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input.error {
  border-color: var(--color-error);
}

.form-error {
  margin-top: 6px;
  font-size: 0.875rem;
  color: var(--color-error);
}

.form-hint {
  margin-top: 6px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.9375rem;
  color: var(--color-text-body);
}

.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--color-primary);
}

/* Cards */
.card {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px;
}

.card-sm {
  padding: 24px;
}

.card-bordered {
  box-shadow: none;
  border: 1px solid var(--color-border);
}

/* Header */
.header {
  padding: 16px 0;
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-heading);
  letter-spacing: -0.5px;
}

.logo-accent {
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg-white) 100%);
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero-note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .hero {
    padding: 60px 0 48px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }
}

/* Features */
.features {
  background-color: var(--color-bg-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  text-align: center;
  padding: 32px 24px;
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background-color: var(--color-bg-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.feature-title {
  margin-bottom: 12px;
}

.feature-desc {
  color: var(--color-text-muted);
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* Pricing */
.pricing {
  background-color: var(--color-bg-light);
}

.pricing-card {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.pricing-badge {
  display: inline-block;
  padding: 6px 14px;
  background-color: var(--color-primary);
  color: white;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.pricing-price {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-text-heading);
  line-height: 1;
  margin-bottom: 8px;
}

.pricing-price span {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.pricing-period {
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-check {
  color: var(--color-success);
  font-size: 1.25rem;
}

/* FAQ */
.faq {
  background-color: var(--color-bg-white);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  padding: 24px 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-heading);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  transition: transform 0.2s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 0 24px;
  color: var(--color-text-body);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Footer */
.footer {
  padding: 32px 0;
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.footer-links {
  margin-top: 12px;
}

.footer-links a {
  color: var(--color-text-muted);
  margin: 0 12px;
  font-size: 0.875rem;
}

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

/* Subscribe Page */
.subscribe-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.subscribe-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 16px;
  background-color: var(--color-bg-light);
}

.subscribe-card {
  width: 100%;
  max-width: 480px;
}

.subscribe-header {
  text-align: center;
  margin-bottom: 32px;
}

.subscribe-title {
  margin-bottom: 8px;
}

.subscribe-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.subscribe-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.subscribe-divider::before,
.subscribe-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-border);
}

.subscribe-summary {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
}

.subscribe-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
}

.subscribe-summary-row.total {
  border-top: 1px solid var(--color-border);
  margin-top: 8px;
  padding-top: 16px;
  font-weight: 600;
  color: var(--color-text-heading);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 16px;
  text-align: center;
  background-color: var(--color-bg-light);
}

.success-icon {
  width: 80px;
  height: 80px;
  background-color: var(--color-success);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 2.5rem;
  color: white;
}

.success-title {
  margin-bottom: 16px;
}

.success-message {
  max-width: 480px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.success-steps {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 480px;
  text-align: left;
  margin-bottom: 32px;
}

.success-step {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.success-step:last-child {
  margin-bottom: 0;
}

.success-step-num {
  width: 28px;
  height: 28px;
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  flex-shrink: 0;
}

.success-step-text {
  color: var(--color-text-body);
  padding-top: 2px;
}

/* Manage Page */
.manage-page {
  min-height: 100vh;
  background-color: var(--color-bg-light);
}

.manage-content {
  padding: 48px 16px;
}

.manage-card {
  max-width: 560px;
  margin: 0 auto;
}

.manage-status {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
}

.status-dot.active {
  background-color: var(--color-success);
}

.status-dot.trial {
  background-color: var(--color-primary);
}

.status-dot.cancelled {
  background-color: var(--color-text-muted);
}

.status-text {
  font-weight: 600;
  color: var(--color-text-heading);
}

.manage-info {
  margin-bottom: 24px;
}

.manage-info-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.manage-info-row:last-child {
  border-bottom: none;
}

.manage-info-label {
  color: var(--color-text-muted);
}

.manage-info-value {
  font-weight: 500;
  color: var(--color-text-heading);
}

.manage-actions {
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.btn-danger {
  background-color: transparent;
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

.btn-danger:hover {
  background-color: var(--color-error);
  color: white;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.hidden { display: none; }

/* Loading State */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

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

/* Alert */
.alert {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.alert-success {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-error {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.alert-info {
  background-color: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}