:root {
  --bg-color: #ffffff;
  --text-color: #111111;
  --card-bg: #f5f5f5;
  --border-color: #e0e0e0;
  --accent-color: #3b82f6;
}

.dark {
  --bg-color: #121212;
  --text-color: #f5f5f5;
  --card-bg: #1e1e1e;
  --border-color: #333;
  --accent-color: #60a5fa;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

:root {
  --font-main: 'Inter', sans-serif;
  --timing-fast: 0.2s;
  --timing-normal: 0.3s;
}

[data-theme="purple"] {
  --color-primary: #a855f7;
  --color-success: #22c55e;
  --color-glow: rgba(168, 85, 247, 0.25);
  --bg-main: #110e19;
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --surface-bg: rgba(255, 255, 255, 0.03);
  --surface-border: rgba(255, 255, 255, 0.1);
}

[data-theme="green"] {
  --color-primary: #22c55e;
  --color-success: #3b82f6;
  --color-glow: rgba(34, 197, 94, 0.2);
  --bg-main: #0f1713;
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --surface-bg: rgba(255, 255, 255, 0.03);
  --surface-border: rgba(255, 255, 255, 0.1);
}

[data-theme="gold"] {
  --color-primary: #eab308;
  --color-success: #a855f7;
  --color-glow: rgba(234, 179, 8, 0.15);
  --bg-main: #18150c;
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --surface-bg: rgba(255, 255, 255, 0.03);
  --surface-border: rgba(255, 255, 255, 0.1);
}

[data-theme="gray"] {
  --color-primary: #e5e7eb;
  --color-success: #4ade80;
  --color-glow: rgba(229, 231, 235, 0.1);
  --bg-main: #111827;
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --surface-bg: rgba(255, 255, 255, 0.05);
  --surface-border: rgba(255, 255, 255, 0.15);
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--timing-normal) ease;
  background-image: radial-gradient(circle at 50% 0%, var(--color-glow), transparent 50%);
  background-repeat: no-repeat;
  font-size: 16px;
  line-height: 1.6;
}

.page-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

header {
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeInUp 0.5s ease-out;
}

.main-title {
  font-size: 2.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
.main-title i {
  color: var(--color-primary);
}

.subtitle {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0.5rem auto 2rem;
}

.theme-switcher {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.theme-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  background-color: var(--color-primary);
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-main);
}

.theme-btn:hover {
  transform: scale(1.15);
  box-shadow: 0 0 0 4px var(--color-glow);
}

.theme-btn.active {
  box-shadow: 0 0 8px 2px var(--color-primary);
  border-color: var(--text-primary);
}

.theme-btn[data-theme="gray"] {
  background-color: #9ca3af;
  color: var(--bg-main);
}

[data-theme="purple"] .theme-btn[data-theme="purple"],
[data-theme="green"] .theme-btn[data-theme="green"],
[data-theme="gold"] .theme-btn[data-theme="gold"],
[data-theme="gray"] .theme-btn[data-theme="gray"] {
  transform: scale(1.2);
  border-color: var(--color-primary);
  box-shadow: 0 0 15px -2px var(--color-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.stat-card {
  background: var(--surface-bg);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 1.5rem;
  transition: all var(--timing-normal) ease;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 12px 28px -10px var(--color-glow);
}

.stat-header {
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}



.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
}




#total-value {
  color: var(--color-primary);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.section-title i {
  color: var(--color-primary);
}

.vouch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

.vouch-card {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  animation: fadeInUp 0.5s ease-out forwards;
  opacity: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.vouch-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 10px 20px -5px var(--color-glow);
}

.vouch-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.avatar, .initial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.initial-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--bg-main);
  font-weight: 600;
  font-size: 1.2rem;
}

.user-details {
  flex: 1;
  min-width: 0;
}

.username {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--timing-fast);
}

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

.time-ago {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.vouch-amount {
  background-color: var(--color-success);
  color: var(--bg-main);
  padding: 0.4rem 0.75rem;
  font-size: 0.875rem;
  border-radius: 99px;
  font-weight: 600;
}

.vouch-message {
  color: var(--text-secondary);
  font-size: 0.95rem;
  border-top: 1px solid var(--surface-border);
  padding-top: 1rem;
}

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

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.6);
  backdrop-filter: blur(5px);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
  transition: opacity var(--timing-normal), visibility var(--timing-normal);
}

.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--surface-bg);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--timing-normal);
}

.modal-overlay.is-open .modal-content {
  transform: scale(1);
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--timing-fast);
}

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

.modal-body {
  padding: 0.5rem 0;
  overflow-y: auto;
}

.customer-list-item {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  transition: background-color var(--timing-fast);
}

.customer-list-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.customer-rank {
  font-weight: 700;
  width: 2.5rem;
  flex-shrink: 0;
}

.rank-gold { color: #ffd700; }
.rank-silver { color: #c0c0c0; }
.rank-bronze { color: #cd7f32; }

.customer-info {
  flex-grow: 1;
  min-width: 0;
}

.customer-id {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.customer-amount {
  font-weight: 600;
}

@media (max-width: 768px) {
  .page-wrapper {
    padding: 2rem 1rem;
  }

  .stats-grid,
  .vouch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.25rem;
  }

  .modal-content {
    max-height: 90vh;
  }
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--bg-main);
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color var(--timing-fast), transform var(--timing-fast), box-shadow var(--timing-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 14px -4px var(--color-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background-color: var(--text-primary);
  color: var(--bg-main);
}

.profile-card {
  background: var(--surface-bg);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  max-width: 320px;
  margin: 0 auto 3rem;
  box-shadow: 0 4px 20px -6px var(--color-glow);
  animation: fadeInUp 0.5s ease-out;
}

.profile-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
  border: 3px solid var(--color-primary);
}

.profile-name {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.profile-username {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.profile-contact {
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.profile-contact i {
  color: var(--color-primary);
}

.profile-contact a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
}

.profile-contact a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}


.input-box {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border 0.2s, background-color 0.2s;
}

.input-box:focus {
  border-color: var(--color-primary);
  background-color: rgba(255, 255, 255, 0.08);
}





.amount-pill {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.15);
  padding: 4px 10px;
  border-radius: 8px;
  color: #ffffff;
  font-weight: 800;
  font-size: 1rem;
  backdrop-filter: blur(6px);
}