/* Glassmorphism Dark Mode Theme for OpenDoor Web UI */

:root {
  --bg-gradient: linear-gradient(135deg, #0b0f19 0%, #111827 50%, #0f172a 100%);
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-hover: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(16px);
  --accent-cyan: #06b6d4;
  --accent-cyan-hover: #0891b2;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --shadow-lg: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.25);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  text-autospace: normal;
}

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* PIN Login Screen */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 85vh;
  padding: 1.5rem;
}

.login-card-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.login-icon {
  font-size: 3.2rem;
  margin-bottom: 1rem;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.pin-input-group {
  margin-bottom: 1.5rem;
}

.pin-input {
  width: 100%;
  font-size: 1.75rem;
  letter-spacing: 0.5rem;
  text-align: center;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text-primary);
  outline: none;
  font-family: inherit;
  transition: all 0.2s ease;
}

.pin-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.3);
}

.error-banner {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

/* Glass Header */
.header-glass {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-lg);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  font-size: 2.2rem;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(99, 102, 241, 0.2));
  padding: 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

h1 {
  font-size: 1.6rem;
  font-weight: 700;
  background: linear-gradient(90deg, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Highlighted Quick Action Cards Grid */
.quick-groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.quick-group-box {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(15, 23, 42, 0.75) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.4rem;
  box-shadow: 0 8px 25px -5px rgba(99, 102, 241, 0.2), var(--shadow-lg);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.quick-group-box:hover {
  border-color: rgba(56, 189, 248, 0.5);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(6, 182, 212, 0.25);
}

.quick-group-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #38bdf8;
  margin-bottom: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.quick-buttons-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.btn-quick {
  font-size: 0.9rem;
  padding: 0.6rem 0.95rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  flex: 1;
  min-width: 80px;
}

/* Glass Search Bar */
.search-bar-glass {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.5rem;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
}

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

.badge-count {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  white-space: nowrap;
}

/* Buttons */
.btn {
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* Primary Cyan Button for Online Doors */
.btn-primary {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
}

/* Muted Button for Offline Doors (Clickable) */
.btn-offline {
  background: linear-gradient(135deg, #475569 0%, #334155 100%);
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.btn-offline:hover:not(:disabled) {
  background: linear-gradient(135deg, #64748b 0%, #475569 100%);
  transform: translateY(-2px);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(100, 116, 139, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.15);
}

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

.btn-block {
  width: 100%;
}

/* Door Grid & Cards */
.door-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.door-card-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.door-card-glass:hover {
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card-header {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.2rem;
}

.door-icon-wrapper {
  font-size: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.6rem;
  border-radius: var(--radius-sm);
}

.door-title-box {
  flex: 1;
}

.door-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.door-code {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
}

/* Share Modal & Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1rem;
}

.modal-glass {
  background: #111827;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: slideIn 0.25s ease-out;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
}

.field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.select-input {
  width: 100%;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  margin-bottom: 1.25rem;
  outline: none;
}

.select-input:focus {
  border-color: var(--accent-cyan);
}

.share-url-container {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.share-url-input {
  flex: 1;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.85rem;
  color: #38bdf8;
  font-size: 0.85rem;
  font-family: monospace;
  outline: none;
}

.share-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  z-index: 3000;
  animation: slideIn 0.3s ease-out forwards;
}

.toast-success {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
}

.toast-error {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.toast-close {
  background: transparent;
  border: none;
  color: currentColor;
  font-size: 1.2rem;
  cursor: pointer;
}

/* Empty & Loading States */
.loading-spinner-container, .empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  border-top-color: var(--accent-cyan);
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

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

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