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

:root {
  --accent: #007aff;
  --bg: #f7f8fa;
  --text: #111;
  --glass: rgba(255,255,255,0.92);
  --glass-border: rgba(255,255,255,0.3);
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  transition: background .3s, color .3s;
  line-height: 1.6;
}

/* Glass effect */
.ios-glass {
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

/* Header */
.topbar {
  position: sticky; 
  top: 0; 
  z-index: 100;
  display: flex; 
  align-items: center; 
  gap: 16px;
  justify-content: space-between; 
  padding: 14px 20px;
  margin: 10px;
}

.logo {
  font-weight: 800; 
  font-size: 1.4rem;
  cursor: pointer;
}

.search-box {
  display: flex; 
  gap: 10px; 
  align-items: center;
  flex: 1;
  max-width: 400px;
}

.search-box input {
  padding: 12px 16px; 
  border-radius: 14px; 
  border: 1px solid rgba(0,0,0,0.1);
  background: rgba(255,255,255,0.7);
  flex: 1;
  font-size: 1rem;
}

.actions {
  display: flex; 
  gap: 10px;
}

.ios-btn, .primary-btn, .secondary-btn {
  padding: 10px 16px; 
  border-radius: 14px; 
  border: none; 
  cursor: pointer; 
  font-weight: 600;
  transition: all 0.2s ease;
  font-size: 0.95rem;
}

.ios-btn:hover, .primary-btn:hover, .secondary-btn:hover { 
  transform: translateY(-2px); 
}

.primary-btn { 
  background: var(--accent); 
  color: white; 
  box-shadow: 0 4px 16px rgba(0,122,255,0.3);
}

.secondary-btn { 
  background: rgba(0,0,0,0.06); 
  color: var(--text);
}

/* Grid pins */
.pin-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.pin {
  border-radius: 16px; 
  overflow: hidden; 
  cursor: pointer; 
  position: relative;
  transition: all 0.3s ease;
}

.pin img { 
  width: 100%; 
  height: 280px;
  object-fit: cover; 
  display: block;
}

.pin h3 { 
  margin: 12px; 
  font-size: 1rem; 
  text-align: center;
  font-weight: 600;
}

.pin:hover { 
  transform: translateY(-8px) scale(1.02); 
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

/* Footer */
.footer { 
  text-align: center; 
  padding: 30px 20px; 
  opacity: .6;
  font-size: 0.9rem;
}

/* Overlay & Panels */
.overlay {
  position: fixed; 
  inset: 0; 
  z-index: 999;
  background: rgba(0,0,0,0.4); 
  opacity: 0; 
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(8px);
}

body.panel-open .overlay { 
  opacity: 1; 
  pointer-events: auto; 
}

.panel {
  position: fixed;
  top: 0;
  right: -440px;
  width: 400px;
  height: 100vh;
  z-index: 1000;
  display: flex; 
  flex-direction: column;
  padding: 20px;
  transition: right 0.4s cubic-bezier(0.2,0.9,0.1,1);
  background: var(--glass);
  backdrop-filter: blur(30px) saturate(200%);
}

.panel.open { 
  right: 20px;
}

.panel-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

.panel-body { 
  flex: 1;
  overflow: auto; 
  padding-right: 8px;
}

/* Auth styles */
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-radius: 14px;
  background: rgba(0,0,0,0.06);
  padding: 6px;
}

.tab {
  flex: 1;
  padding: 12px;
  border: none;
  background: transparent;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
}

.tab.active {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 12px rgba(0,122,255,0.4);
}

.auth-form {
  display: none;
  flex-direction: column;
  gap: 16px;
}

.auth-form.active {
  display: flex;
}

.auth-form input {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,0.1);
  background: rgba(255,255,255,0.7);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.9);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
}

.auth-message {
  margin-top: 16px;
  padding: 12px;
  border-radius: 12px;
  text-align: center;
  font-size: 0.9rem;
}

.auth-message:not(:empty) {
  background: rgba(255,0,0,0.1);
  color: #d00;
  border: 1px solid rgba(255,0,0,0.2);
}

.auth-message.success {
  background: rgba(0,255,0,0.1);
  color: green;
  border: 1px solid rgba(0,255,0,0.2);
}

/* Profile */
.profile-info { 
  display: flex; 
  gap: 16px; 
  align-items: center; 
  margin-bottom: 20px;
  padding: 16px;
  background: rgba(255,255,255,0.5);
  border-radius: 16px;
}

.avatar { 
  width: 64px; 
  height: 64px; 
  border-radius: 16px; 
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex; 
  align-items: center; 
  justify-content: center; 
  font-weight: 800; 
  font-size: 1.4rem;
  color: white;
}

.avatar-img { 
  width: 64px; 
  height: 64px; 
  border-radius: 16px; 
  object-fit: cover; 
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.profile-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

/* Settings */
.setting-row { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  padding: 14px 0;
  border-top: 1px solid rgba(0,0,0,0.08);
}

/* Forms */
.publish-form { 
  display: flex; 
  flex-direction: column; 
  gap: 16px;
}

.publish-form input, .publish-form textarea {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,0.1);
  background: rgba(255,255,255,0.7);
  font-size: 1rem;
}

.publish-form textarea { 
  min-height: 100px; 
  resize: vertical;
  font-family: inherit;
}

/* Upload zone */
.upload-zone {
  width: 100%; 
  min-height: 160px; 
  border: 2px dashed rgba(0,0,0,0.2); 
  border-radius: 16px;
  display: flex; 
  align-items: center; 
  justify-content: center; 
  text-align: center; 
  cursor: pointer;
  background: rgba(255,255,255,0.5); 
  color: rgba(0,0,0,0.6);
  transition: all 0.3s ease;
  font-weight: 500;
}

.upload-zone:hover {
  border-color: var(--accent);
  background: rgba(0,122,255,0.05);
}

.upload-zone img { 
  width: 100%; 
  max-height: 240px; 
  object-fit: contain; 
  border-radius: 12px;
}

/* Admin styles */
.delete-pin-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,0,0,0.9);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  cursor: pointer;
  z-index: 10;
  backdrop-filter: blur(10px);
  color: white;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pin-header {
  position: relative;
  height: 0;
}

.admin-stats {
  background: rgba(0,122,255,0.1);
  border-radius: 16px;
  padding: 20px;
  margin: 20px 0;
}

.admin-pin-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid rgba(0,0,0,0.1);
  transition: background 0.2s ease;
}

.admin-pin-item:hover {
  background: rgba(0,0,0,0.05);
  border-radius: 10px;
}

/* Dark mode */
body.dark {
  background: #0f1113; 
  color: #f2f2f2;
}

body.dark .ios-glass { 
  background: rgba(40,40,45,0.85); 
  border: 1px solid rgba(255,255,255,0.15); 
}

body.dark .search-box input {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: white;
}

body.dark .secondary-btn {
  background: rgba(255,255,255,0.1);
  color: white;
}

body.dark .auth-tabs {
  background: rgba(255,255,255,0.1);
}

body.dark .auth-form input {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: white;
}

body.dark .upload-zone { 
  background: rgba(255,255,255,0.05); 
  color: rgba(255,255,255,0.7); 
  border-color: rgba(255,255,255,0.2);
}

body.dark .profile-info {
  background: rgba(255,255,255,0.05);
}

body.dark .setting-row {
  border-top: 1px solid rgba(255,255,255,0.1);
}

body.dark .admin-pin-item {
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

body.dark .admin-pin-item:hover {
  background: rgba(255,255,255,0.05);
}

/* Responsive */
@media (max-width: 768px) {
  .topbar {
      flex-direction: column;
      gap: 12px;
      padding: 12px;
  }
  
  .search-box {
      max-width: 100%;
      order: 3;
      width: 100%;
  }
  
  .pin-container {
      grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
      gap: 12px;
      padding: 12px;
  }
  
  .panel {
      width: 95vw;
      right: -100vw;
      padding: 15px;
  }
  
  .panel.open {
      right: 2.5vw;
  }
}

/* Scrollbar */
.panel-body::-webkit-scrollbar {
  width: 6px;
}

.panel-body::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.1);
  border-radius: 3px;
}

.panel-body::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 3px;
}

body.dark .panel-body::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.1);
}