/* Instagram OAuth Service - Global Styles */

:root {
  --primary-color: #667eea;
  --primary-dark: #5a67d8;
  --secondary-color: #764ba2;
  --success-color: #48bb78;
  --warning-color: #ed8936;
  --error-color: #f56565;
  --text-color: #2d3748;
  --text-light: #718096;
  --border-color: #e2e8f0;
  --bg-color: #f7fafc;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

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

body {
  font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

/* Header */
.site-header {
  background: var(--white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-color);
  font-weight: 700;
  font-size: 18px;
}

.logo-icon {
  font-size: 24px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-menu-button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-color);
  transition: all 0.2s;
}

.user-menu-button:hover {
  background: var(--bg-color);
}

.user-icon {
  font-size: 18px;
}

.dropdown-arrow {
  font-size: 10px;
  color: var(--text-light);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s;
}

.user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  text-decoration: none;
  color: var(--text-color);
  font-size: 14px;
  width: 100%;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s;
}

.dropdown-item:hover {
  background: var(--bg-color);
}

.dropdown-item.logout {
  color: var(--error-color);
}

.dropdown-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 4px 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

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

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

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

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

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

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

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 14px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input:disabled {
  background: var(--bg-color);
  cursor: not-allowed;
}

.form-hint {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-light);
}

/* Cards */
.card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 24px;
}

.card-header {
  margin-bottom: 20px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px;
}

.container-sm {
  max-width: 480px;
}

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

/* Page Header */
.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-subtitle {
  font-size: 14px;
  color: var(--text-light);
}

/* Messages */
.message {
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
}

.message-success {
  background: #c6f6d5;
  color: #276749;
}

.message-error {
  background: #fed7d7;
  color: #c53030;
}

.message-warning {
  background: #fefcbf;
  color: #975a16;
}

.message-info {
  background: #bee3f8;
  color: #2c5282;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}

.modal {
  background: var(--white);
  border-radius: 12px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-light);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-color);
}

.modal-body {
  padding: 24px;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.tab {
  padding: 12px 16px;
  background: transparent;
  border: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.2s;
}

.tab:hover {
  color: var(--text-color);
}

.tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
}

.badge-success {
  background: #c6f6d5;
  color: #276749;
}

.badge-warning {
  background: #fefcbf;
  color: #975a16;
}

.badge-error {
  background: #fed7d7;
  color: #c53030;
}

.badge-info {
  background: #bee3f8;
  color: #2c5282;
}

/* Grid */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
}

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

.text-right {
  text-align: right;
}

.mt-4 {
  margin-top: 16px;
}

.mb-4 {
  margin-bottom: 16px;
}

.mt-8 {
  margin-top: 32px;
}

.mb-8 {
  margin-bottom: 32px;
}

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Login Page Specific */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.auth-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
}

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

.auth-logo {
  font-size: 48px;
  margin-bottom: 16px;
}

.auth-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.auth-subtitle {
  color: var(--text-light);
  font-size: 14px;
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
}

/* Dashboard specific */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.stat-card {
  background: var(--white);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.stat-label {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
}

.license-display {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  font-family: monospace;
  font-size: 14px;
  word-break: break-all;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.copy-btn {
  padding: 8px 12px;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  white-space: nowrap;
}

.copy-btn:hover {
  background: var(--primary-dark);
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--white);
  border: 2px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  transition: all 0.3s;
}

.pricing-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(102, 126, 234, 0.15);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  position: relative;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.pricing-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 4px;
}

.pricing-price span {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-light);
}

.pricing-desc {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 24px;
  text-align: left;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success-color);
  font-weight: bold;
}