/* Modern Glassmorphism Design System */

/* ===== CSS Variables ===== */
:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --primary-light: #60a5fa;
  --secondary: #8b5cf6;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-bg-dark: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-blue: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-cyan: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-mesh: radial-gradient(at 40% 20%, hsla(228,100%,74%,0.3) 0px, transparent 50%),
                   radial-gradient(at 80% 0%, hsla(189,100%,56%,0.2) 0px, transparent 50%),
                   radial-gradient(at 0% 50%, hsla(355,100%,93%,0.2) 0px, transparent 50%),
                   radial-gradient(at 80% 50%, hsla(340,100%,76%,0.1) 0px, transparent 50%),
                   radial-gradient(at 0% 100%, hsla(269,100%,77%,0.2) 0px, transparent 50%);
}

/* ===== Base Styles ===== */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 50%, #f0fdff 100%);
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-mesh);
  pointer-events: none;
  z-index: -1;
}

/* ===== Glassmorphism Components ===== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-strong {
  background: var(--glass-bg-dark);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--glass-shadow);
  transition: all 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

/* ===== Navigation ===== */
.nav-glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

/* ===== Buttons ===== */
.btn-primary {
  background: var(--gradient-blue);
  color: white;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  color: #374151;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* ===== Form Elements ===== */
.input-glass {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 16px;
  transition: all 0.3s ease;
  width: 100%;
}

.input-glass:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.input-glass::placeholder {
  color: #9ca3af;
}

/* ===== Cards ===== */
.card-modern {
  background: white;
  border-radius: 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: all 0.3s ease;
}

.card-modern:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.card-gradient {
  background: var(--gradient-blue);
  border-radius: 24px;
  color: white;
  position: relative;
  overflow: hidden;
}

.card-gradient::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
}

/* ===== Stats Cards ===== */
.stat-card {
  background: white;
  border-radius: 20px;
  padding: 24px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-icon.blue { background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%); }
.stat-icon.green { background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%); }
.stat-icon.purple { background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%); }
.stat-icon.orange { background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%); }

/* ===== Tables ===== */
.table-modern {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table-modern thead {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.table-modern th {
  padding: 16px 20px;
  text-align: left;
  font-weight: 600;
  color: #475569;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid #e2e8f0;
}

.table-modern td {
  padding: 16px 20px;
  border-bottom: 1px solid #f1f5f9;
  transition: background 0.2s ease;
}

.table-modern tbody tr:hover td {
  background: rgba(59, 130, 246, 0.03);
}

/* ===== Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

.badge-blue {
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
  color: #1d4ed8;
}

.badge-green {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  color: #047857;
}

.badge-red {
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  color: #b91c1c;
}

.badge-yellow {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #b45309;
}

.badge-purple {
  background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%);
  color: #6d28d9;
}

/* ===== Upload Area ===== */
.upload-zone {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
  border: 2px dashed rgba(59, 130, 246, 0.3);
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.upload-zone:hover {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.06) 0%, rgba(139, 92, 246, 0.06) 100%);
}

.upload-zone.dragging {
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  transform: scale(1.01);
}

.upload-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-blue);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 36px;
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
}

/* ===== Progress Bar ===== */
.progress-modern {
  height: 8px;
  background: #e2e8f0;
  border-radius: 100px;
  overflow: hidden;
}

.progress-modern .bar {
  height: 100%;
  background: var(--gradient-blue);
  border-radius: 100px;
  transition: width 0.3s ease;
}

/* ===== Dropdown ===== */
.dropdown-glass {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.dropdown-item {
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.dropdown-item:hover {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
}

/* ===== Sidebar ===== */
.sidebar-modern {
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  color: white;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: 12px;
  margin: 4px 12px;
  transition: all 0.2s ease;
  color: #94a3b8;
}

.sidebar-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

.sidebar-item.active {
  background: var(--gradient-blue);
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

/* ===== Animations ===== */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.3); }
  50% { box-shadow: 0 0 40px rgba(59, 130, 246, 0.5); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animate-float { animation: float 3s ease-in-out infinite; }
.animate-pulse-glow { animation: pulse-glow 2s ease-in-out infinite; }
.animate-gradient { 
  background-size: 200% 200%;
  animation: gradient-shift 3s ease infinite;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .glass-card {
    border-radius: 16px;
  }
  
  .upload-zone {
    padding: 32px 20px;
  }
  
  .stat-card {
    padding: 16px;
  }
}

/* ===== Toast Notifications ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
  max-width: 400px;
  width: calc(100% - 40px);
}

@media (max-width: 480px) {
  .toast-container {
    top: 12px;
    right: 12px;
    left: 12px;
    width: auto;
    max-width: none;
  }
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.5);
  pointer-events: auto;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transform: translateX(120%);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-visible {
  transform: translateX(0);
  opacity: 1;
}

.toast-hiding {
  transform: translateX(120%);
  opacity: 0;
}

.toast-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-message {
  font-size: 14px;
  font-weight: 500;
  color: #1f2937;
  line-height: 1.5;
  word-break: break-word;
}

.toast-close {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: #9ca3af;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s ease;
  flex-shrink: 0;
  margin-top: 2px;
}

.toast-close:hover {
  background: rgba(0, 0, 0, 0.05);
  color: #4b5563;
}

/* Progress Bar */
.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(0, 0, 0, 0.05);
}

.toast-progress-bar {
  height: 100%;
  width: 100%;
  transform-origin: left;
  animation: toast-progress-shrink linear forwards;
}

@keyframes toast-progress-shrink {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

/* Toast Types */
.toast-success {
  border-left: 4px solid var(--success);
}

.toast-success .toast-icon {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  color: #047857;
}

.toast-success .toast-progress-bar {
  background: linear-gradient(90deg, #10b981, #34d399);
}

.toast-error {
  border-left: 4px solid var(--danger);
}

.toast-error .toast-icon {
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  color: #b91c1c;
}

.toast-error .toast-progress-bar {
  background: linear-gradient(90deg, #ef4444, #f87171);
}

.toast-warning {
  border-left: 4px solid var(--warning);
}

.toast-warning .toast-icon {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #b45309;
}

.toast-warning .toast-progress-bar {
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.toast-info {
  border-left: 4px solid var(--primary);
}

.toast-info .toast-icon {
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
  color: #1d4ed8;
}

.toast-info .toast-progress-bar {
  background: linear-gradient(90deg, #3b82f6, #60a5fa);
}

/* Hover-Effekt pausiert Animation */
.toast:hover .toast-progress-bar {
  animation-play-state: paused;
}

/* Animationen für Toast-Eingang */
@keyframes toast-slide-in {
  from {
    transform: translateX(120%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes toast-slide-out {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(120%);
    opacity: 0;
  }
}