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

:root {
  /* Smooth Black & White Color Scheme */
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #2a2a2a;
  --bg-glass: rgba(42, 42, 42, 0.7);
  --accent-primary: #ffffff;
  --accent-secondary: #e0e0e0;
  --accent-tertiary: #c0c0c0;
  --accent-gradient: linear-gradient(135deg, #ffffff 0%, #e0e0e0 50%, #ffffff 100%);
  --accent-gradient-hover: linear-gradient(135deg, #f5f5f5 0%, #ffffff 50%, #f5f5f5 100%);
  --text-primary: #ffffff;
  --text-secondary: #d0d0d0;
  --text-muted: #888888;
  --border-color: #333333;
  --border-light: #444444;
  --border-glow: rgba(255, 255, 255, 0.1);
  --success: #00ff88;
  --error: #ff4444;
  --warning: #ffaa00;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.7);
  --glow-white: 0 0 20px rgba(255, 255, 255, 0.1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(255, 255, 255, 0.03) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(255, 255, 255, 0.03) 0px, transparent 50%);
  color: var(--text-primary);
  min-width: 420px;
  max-width: 600px;
  min-height: 500px;
  max-height: 700px;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.container {
  background: var(--bg-primary);
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Header */
.header {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: relative;
  box-shadow: var(--shadow-md);
  min-height: 70px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.logo {
  font-size: 32px;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.3));
  animation: float 3s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes float {
  0%, 100% { 
    transform: translateY(0px) scale(1);
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.3));
  }
  50% { 
    transform: translateY(-4px) scale(1.05);
    filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.5));
  }
}

.header h2 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.branding {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
  margin-left: auto;
  padding-left: 12px;
}

.brand-name {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
  white-space: nowrap;
}

.brand-links {
  display: flex;
  gap: 6px;
  font-size: 9px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.brand-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
  border: 1px solid transparent;
}

.brand-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-light);
  text-shadow: 0 0 6px rgba(255, 255, 255, 0.5);
}

.version {
  display: none;
}

/* Tabs */
.tabs {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 12px;
  gap: 4px;
  box-shadow: inset 0 -1px 4px rgba(0, 0, 0, 0.3);
}

.tab-btn {
  flex: 1;
  padding: 14px 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px 12px 0 0;
}

.tab-btn::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 2px 2px 0 0;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--glow-white);
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  transform: translateY(-2px);
}

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

.tab-btn.active::before {
  transform: translateX(-50%) scaleX(1);
}

.tab-icon {
  font-size: 18px;
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.3));
}

/* Content */
.content {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg-primary);
}

.tab-content {
  display: none;
  animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-content.active {
  display: block;
}

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

/* Sections */
.section {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.section:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.section:hover::before {
  opacity: 1;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.section-icon {
  font-size: 20px;
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.3));
}

.section-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: 0.5px;
}

/* Sub Tabs (for Settings) */
.sub-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.sub-tab-btn {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.sub-tab-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: left 0.3s ease;
  z-index: 0;
}

.sub-tab-btn span {
  position: relative;
  z-index: 1;
}

.sub-tab-btn:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.sub-tab-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-lg), var(--glow-white);
}

.sub-tab-btn.active::before {
  left: 0;
}

.sub-tab-content {
  display: none;
  animation: fadeInUp 0.3s ease;
}

.sub-tab-content.active {
  display: block;
}

/* Input Groups */
.input-group {
  margin-bottom: 16px;
  position: relative;
}

.input-group label {
  display: block;
  margin-bottom: 10px;
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.input-with-btn {
  display: flex;
  gap: 10px;
}

.input-with-btn input {
  flex: 1;
}

input.form-input,
.input-group input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  font-size: 14px;
  color: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: 'Courier New', monospace;
  box-shadow: var(--shadow-sm);
}

input.form-input:focus,
.input-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--bg-secondary);
  box-shadow: 0 0 0 4px var(--border-glow), var(--shadow-md);
  transform: translateY(-1px);
}

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

.input-row {
  display: flex;
  gap: 12px;
}

.input-row input {
  flex: 1;
}

/* Checkbox */
.checkbox-group {
  margin: 16px 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 14px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.checkbox-label:hover {
  border-color: var(--border-light);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-md);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  position: relative;
  transition: all 0.3s ease;
  flex-shrink: 0;
  background: var(--bg-secondary);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.3);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--bg-primary);
  font-weight: bold;
  font-size: 14px;
}

.checkbox-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.checkbox-text small {
  color: var(--text-muted);
  font-size: 12px;
}

/* Mini Settings Dropdown */
.mini-settings {
  display: none;
  margin-top: 12px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 2px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-xl);
  animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-height: 400px;
  overflow-y: auto;
}

.mini-settings.show {
  display: block;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.mini-settings-item {
  padding: 0;
  margin-bottom: 12px;
}

.mini-settings-item:last-child {
  margin-bottom: 0;
}

.mini-settings-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 12px 0;
}

.mini-settings-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.mini-settings-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
  font-style: italic;
}

.mini-select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  outline: none;
  font-family: inherit;
}

.mini-select:hover {
  border-color: var(--border-light);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-sm);
}

.mini-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--border-glow);
}

.mini-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 10px;
}

.mini-select option:disabled {
  color: var(--text-muted);
}

.mini-checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 12px 14px;
  border-radius: 10px;
  transition: all 0.3s ease;
  user-select: none;
}

.mini-checkbox-label:hover {
  background: var(--bg-tertiary);
}

.mini-checkbox-label:hover .mini-checkbox-custom {
  border-color: var(--border-light);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
}

.mini-checkbox-label input[type="checkbox"] {
  display: none;
}

.mini-checkbox-custom {
  width: 20px;
  height: 20px;
  min-width: 20px;
  min-height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 5px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
}

.mini-checkbox-label input[type="checkbox"]:checked + .mini-checkbox-custom {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
}

.mini-checkbox-label input[type="checkbox"]:checked + .mini-checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  color: var(--bg-primary);
  font-weight: bold;
  font-size: 14px;
  line-height: 1;
  animation: checkmarkPop 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes checkmarkPop {
  0% {
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.3);
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

.mini-checkbox-text {
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  flex: 1;
}

.mini-checkbox-label input[type="checkbox"]:checked ~ .mini-checkbox-text {
  color: var(--accent-primary);
}

/* Buttons */
.icon-btn {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  font-size: 22px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.icon-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.icon-btn:hover::before {
  width: 300px;
  height: 300px;
}

.icon-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.15);
}

.icon-btn:active {
  transform: translateY(-1px) scale(1);
}

.icon-btn.settings-btn {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  font-size: 20px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.icon-btn.settings-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-primary);
  transform: translateY(-3px) rotate(90deg) scale(1.05);
  box-shadow: var(--shadow-xl);
}

.icon-btn.settings-btn.active {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-xl), var(--glow-white);
  transform: rotate(180deg);
}

.btn {
  width: 100%;
  padding: 16px 24px;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 400px;
  height: 400px;
}

.btn-primary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 2px solid var(--accent-primary);
  box-shadow: var(--shadow-lg), var(--glow-white);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-primary);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--border-light);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-icon {
  font-size: 20px;
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.3));
}

/* Form Groups */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group-compact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group-compact input {
  padding: 11px 14px;
  font-size: 13px;
}

.btn-sm {
  padding: 12px 20px;
  font-size: 14px;
}

/* History and Lists */
.history-list {
  max-height: 220px;
  overflow-y: auto;
}

.list-container {
  max-height: 320px;
  overflow-y: auto;
}

.list-container-compact {
  max-height: 280px;
  overflow-y: auto;
}

.history-item,
.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.history-item::before,
.list-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-primary);
  transform: scaleY(0);
  transition: transform 0.3s ease;
  box-shadow: var(--glow-white);
}

.history-item:hover::before,
.list-item:hover::before {
  transform: scaleY(1);
}

.history-item:hover,
.list-item:hover {
  background: var(--bg-secondary);
  border-color: var(--border-light);
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.history-bin {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
  flex: 1;
  font-weight: 600;
}

.history-bin:hover {
  color: var(--accent-primary);
}

.item-info {
  flex: 1;
  font-size: 13px;
  line-height: 1.7;
}

.item-info strong {
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 700;
}

.item-info small {
  color: var(--text-secondary);
}

.delete-btn {
  width: 32px;
  height: 32px;
  background: rgba(255, 68, 68, 0.2);
  color: var(--error);
  border: 2px solid var(--error);
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.delete-btn:hover {
  background: var(--error);
  color: white;
  transform: scale(1.15) rotate(90deg);
  box-shadow: var(--shadow-md), 0 0 15px rgba(255, 68, 68, 0.5);
}

.empty {
  text-align: center;
  padding: 50px 20px;
  color: var(--text-muted);
  font-size: 14px;
  font-style: italic;
}

/* Status Message */
.status-message {
  display: none;
  padding: 14px 18px;
  border-radius: 12px;
  margin-top: 18px;
  font-size: 13px;
  text-align: center;
  font-weight: 600;
  border: 2px solid;
  backdrop-filter: blur(10px);
}

.status-message.loading {
  background: rgba(255, 170, 0, 0.1);
  color: var(--warning);
  border-color: var(--warning);
  box-shadow: 0 0 16px rgba(255, 170, 0, 0.2);
}

.status-message.success {
  background: rgba(0, 255, 136, 0.1);
  color: var(--success);
  border-color: var(--success);
  box-shadow: 0 0 16px rgba(0, 255, 136, 0.2);
}

.status-message.error {
  background: rgba(255, 68, 68, 0.1);
  color: var(--error);
  border-color: var(--error);
  box-shadow: 0 0 16px rgba(255, 68, 68, 0.2);
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: var(--shadow-xl);
  opacity: 0;
  transform: translateY(30px) scale(0.9);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10000;
}

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

.toast.success {
  border-color: var(--success);
  box-shadow: 0 8px 32px rgba(0, 255, 136, 0.3);
}

.toast.error {
  border-color: var(--error);
  box-shadow: 0 8px 32px rgba(255, 68, 68, 0.3);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  transition: background 0.3s ease;
  border: 2px solid var(--bg-tertiary);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Animations */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* BIN List Styles */
.bin-search {
  margin-bottom: 16px;
}

.bin-categories {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.bin-cat-btn {
  padding: 10px 16px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.bin-cat-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.bin-cat-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.bin-list-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  max-height: 420px;
  overflow-y: auto;
}

.bin-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.bin-card:hover {
  background: var(--bg-secondary);
  border-color: var(--border-light);
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.bin-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.bin-number {
  font-family: 'Courier New', monospace;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-primary);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.bin-type {
  font-size: 11px;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  color: var(--text-secondary);
  font-weight: 600;
}

.bin-card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bin-info {
  font-size: 12px;
  color: var(--text-secondary);
}

.bin-bank {
  font-weight: 600;
  color: var(--text-primary);
}

.bin-country {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-muted);
}

/* Footer/Branding Section */
.footer-branding {
  margin-top: 20px;
  padding: 16px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  text-align: center;
}

.footer-branding-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.footer-branding-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.footer-branding-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 11px;
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  transition: all 0.3s ease;
}

.footer-branding-link:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

/* Responsive adjustments */
@media (min-width: 500px) {
  body {
    min-width: 480px;
  }
  
  .content {
    padding: 24px;
  }
  
  .section {
    padding: 24px;
  }
}

@media (max-height: 600px) {
  .header {
    padding: 14px 18px;
  }
  
  .tab-btn {
    padding: 12px 14px;
  }
  
  .content {
    padding: 16px;
  }
  
  .section {
    padding: 16px;
    margin-bottom: 12px;
  }
  
  .history-list {
    max-height: 140px;
  }
  
  .list-container-compact {
    max-height: 180px;
  }
}