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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: #f7f7f7;
  color: #1a1a1a;
  line-height: 1.5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Desktop Header */
.desktop-header {
  display: block;
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.creator-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
}

.creator-text h1 {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
}

.creator-text span {
  font-size: 12px;
  color: #666;
}

.nav-tabs {
  display: flex;
  gap: 24px;
}

.nav-tabs a {
  text-decoration: none;
  color: #666;
  font-size: 14px;
  font-weight: 500;
  padding: 20px 0;
  border-bottom: 2px solid transparent;
}

.nav-tabs a.active {
  color: #1a1a1a;
  border-bottom-color: #1a1a1a;
  font-weight: 600;
}

.menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

/* Mobile Header */
.mobile-header {
  display: none;
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
}

.mobile-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: #FFDD00;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  color: #000;
}

.mobile-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.login-link {
  text-decoration: none;
  color: #1a1a1a;
  font-size: 14px;
  font-weight: 500;
}

/* Desktop Banner */
.desktop-banner {
  display: block;
  width: 100%;
  overflow: hidden;
}

.desktop-banner img {
  width: 100%;
  height: auto;
  display: block;
}

/* Mobile Banner */
.mobile-banner-section {
  display: none;
  position: relative;
}

.mobile-banner {
  width: 100%;
  aspect-ratio: 647/160;
  overflow: hidden;
}

.mobile-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobile-avatar {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.mobile-avatar img {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  border: 4px solid #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  object-fit: cover;
}

/* Mobile Creator Info */
.mobile-creator-info {
  display: none;
  background: #fff;
  padding: 48px 16px 16px;
  text-align: center;
  border-bottom: 1px solid #e5e5e5;
}

.mobile-creator-info h1 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.mobile-creator-info span {
  font-size: 14px;
  color: #666;
}

.mobile-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 16px;
}

.mobile-nav a {
  text-decoration: none;
  color: #666;
  font-size: 14px;
  font-weight: 500;
  padding-bottom: 8px;
  border-bottom: 2px solid transparent;
}

.mobile-nav a.active {
  color: #1a1a1a;
  border-bottom-color: #1a1a1a;
  font-weight: 600;
}

/* Main Content */
.main-content {
  padding: 24px 0;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.left-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.right-column {
  position: sticky;
  top: 24px;
  align-self: flex-start;
}

/* Cards */
.card {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e5e5e5;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-icon {
  color: #999;
  font-size: 14px;
}

.card p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* Social Links */
.social-links {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.social-link {
  color: #666;
  text-decoration: none;
}

.social-link:hover {
  color: #1a1a1a;
}

/* Supporters */
.supporters-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.supporter-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.supporter-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.supporter-info {
  flex: 1;
}

.supporter-name {
  font-size: 14px;
  font-weight: 500;
}

.supporter-message {
  font-size: 13px;
  color: #666;
  margin-top: 4px;
  background: #f5f5f5;
  padding: 8px 12px;
  border-radius: 8px;
}

.more-btn {
  background: none;
  border: none;
  color: #999;
  cursor: pointer;
  padding: 4px;
}

/* Coffee Card */
.coffee-card h2 {
  margin-bottom: 16px;
}

.coffee-selector {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: #f5f5f5;
  border-radius: 12px;
  margin-bottom: 16px;
}

.coffee-icon {
  display: flex;
  align-items: center;
  gap: 4px;
}

.coffee-icon img {
  width: 24px;
  height: 24px;
}

.coffee-icon span {
  font-size: 16px;
  font-weight: 500;
}

.amount-buttons {
  display: flex;
  gap: 8px;
  margin-left: 8px;
}

.amount-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid #e5e5e5;
  background: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.amount-btn:hover {
  background: #f5f5f5;
}

.amount-btn.active {
  background: #2563EB;
  color: #fff;
  border-color: #2563EB;
}

.custom-amount {
  width: 64px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid #e5e5e5;
  background: #fff;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  outline: none;
}

.custom-amount:focus {
  border-color: #2563EB;
}

/* Input Fields */
.input-field {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  font-size: 14px;
  background: #f5f5f5;
  margin-bottom: 12px;
  outline: none;
}

.input-field:focus {
  border-color: #2563EB;
  background: #fff;
}

.message-field {
  position: relative;
}

.message-field .input-field {
  margin-bottom: 16px;
  resize: none;
}

.video-btn {
  position: absolute;
  bottom: 24px;
  right: 12px;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #666;
}

/* Monthly Option */
.monthly-option {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.monthly-option input {
  width: 18px;
  height: 18px;
  accent-color: #2563EB;
}

.monthly-option label {
  font-size: 14px;
  cursor: pointer;
}

/* Support Button */
.support-btn {
  width: 100%;
  height: 48px;
  background: #2563EB;
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.support-btn:hover {
  opacity: 0.9;
}

/* Footer */
.footer {
  background: #fff;
  border-top: 1px solid #e5e5e5;
  padding: 24px 0;
  margin-top: 48px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.footer-left {
  font-size: 14px;
  color: #666;
}

.footer-right {
  display: flex;
  gap: 16px;
}

.footer-right a {
  text-decoration: none;
  color: #666;
  font-size: 14px;
}

.footer-right a:hover {
  color: #1a1a1a;
}

.footer-promo {
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid #e5e5e5;
}

.footer-promo a {
  color: #2563EB;
  text-decoration: none;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
  .desktop-header,
  .desktop-banner {
    display: none;
  }

  .mobile-header,
  .mobile-banner-section,
  .mobile-creator-info {
    display: block;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .right-column {
    position: static;
  }

  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (min-width: 1025px) {
  .mobile-header,
  .mobile-banner-section,
  .mobile-creator-info {
    display: none;
  }
}