/* TempMail Pro - Public Modern Stylesheet */
:root {
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Color Palette - Dark Mode Default */
  --bg-gradient: linear-gradient(135deg, #090d16 0%, #111827 50%, #0f172a 100%);
  --card-bg: rgba(17, 24, 39, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  --header-bg: rgba(15, 23, 42, 0.8);
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: rgba(99, 102, 241, 0.15);
  --accent: #818cf8;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --border-color: rgba(255, 255, 255, 0.1);
  --input-bg: rgba(15, 23, 42, 0.6);
  --table-hover: rgba(255, 255, 255, 0.03);
  
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

[data-theme="light"] {
  --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-border: rgba(0, 0, 0, 0.08);
  --header-bg: rgba(255, 255, 255, 0.9);
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  
  --border-color: rgba(0, 0, 0, 0.1);
  --input-bg: #ffffff;
  --table-hover: rgba(0, 0, 0, 0.02);
  
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.15);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

body {
  background: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography & Links */
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Header Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: var(--accent-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-main);
  text-decoration: none;
}

.theme-toggle-btn {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, background-color 0.2s;
}

.theme-toggle-btn:hover {
  transform: scale(1.08);
}

/* Main Container */
.main-wrapper {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* Hero Section */
.hero-section {
  text-align: center;
  margin-bottom: 2.5rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 2rem auto;
}

/* Email Box Card */
.email-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
}

.email-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.email-display-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 750px;
  margin: 0 auto 1.5rem auto;
}

.email-input-field {
  flex: 1;
  background: var(--input-bg);
  border: 2px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.25rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  text-align: center;
  letter-spacing: 0.02em;
  outline: none;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.15);
}

.btn-action {
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 8px 20px -4px rgba(99, 102, 241, 0.5);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px -4px rgba(99, 102, 241, 0.6);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
}

/* Toast Animation */
.toast-copied {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--success);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.toast-copied.show {
  opacity: 1;
  transform: translateY(0);
}

/* Email Control Row */
.email-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.domain-select-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.domain-select {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
}

/* Inbox Section */
.inbox-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.inbox-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.inbox-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.2rem;
  font-weight: 700;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.inbox-tools {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-box {
  position: relative;
}

.search-box input {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.55rem 1rem 0.55rem 2.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  outline: none;
  width: 220px;
}

.search-box input:focus {
  border-color: var(--primary);
}

.search-box svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  width: 16px;
  height: 16px;
}

/* Inbox Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.inbox-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.inbox-table th {
  background: rgba(0, 0, 0, 0.1);
  padding: 0.9rem 1.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.inbox-table td {
  padding: 1.1rem 1.5rem;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border-color);
}

.inbox-table tbody tr {
  cursor: pointer;
  transition: background-color 0.15s;
}

.inbox-table tbody tr:hover {
  background-color: var(--table-hover);
}

.unread-row {
  font-weight: 700;
  color: var(--text-main);
}

.sender-cell {
  font-weight: 600;
  color: var(--text-main);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.subject-cell {
  color: var(--text-main);
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.time-cell {
  color: var(--text-muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

.empty-state {
  padding: 4rem 2rem;
  text-align: center;
}

.empty-state svg {
  width: 64px;
  height: 64px;
  color: var(--text-dim);
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Modal / Slide-over Message Viewer */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 850px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.3s ease;
  overflow: hidden;
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

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

.modal-meta-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.9rem;
}

.modal-meta-label {
  color: var(--text-muted);
  font-weight: 500;
}

.modal-meta-val {
  color: var(--text-main);
  font-weight: 600;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background-color 0.2s;
}

.modal-close-btn:hover {
  color: var(--text-main);
  background: var(--table-hover);
}

.modal-tabs {
  display: flex;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.1);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.tab-btn.active {
  background: var(--primary-light);
  color: var(--accent);
}

.modal-body {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  font-size: 0.95rem;
  line-height: 1.6;
  background: var(--input-bg);
}

.email-iframe {
  width: 100%;
  height: 400px;
  border: none;
  border-radius: var(--radius-sm);
  background: #ffffff;
}

.plain-text-box {
  white-space: pre-wrap;
  font-family: monospace;
  color: var(--text-main);
  background: rgba(0, 0, 0, 0.2);
  padding: 1rem;
  border-radius: var(--radius-sm);
}

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

/* Footer */
footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .navbar {
    padding: 1rem;
  }
  .main-wrapper {
    padding: 1.5rem 1rem;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .email-display-container {
    flex-direction: column;
  }
  .email-input-field {
    width: 100%;
    font-size: 1.05rem;
  }
  .btn-action {
    width: 100%;
    justify-content: center;
  }
  .inbox-header {
    flex-direction: column;
    align-items: stretch;
  }
  .search-box input {
    width: 100%;
  }
}