/* Clean Dark Theme variables */
:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --card-border: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent: #38bdf8;

  --status-offen-bg: #451a03;
  --status-offen-text: #fbbf24;
  --status-offen-border: #b45309;

  --status-freigegeben-bg: #064e3b;
  --status-freigegeben-text: #34d399;
  --status-freigegeben-border: #059669;

  --status-abgelehnt-bg: #4c0519;
  --status-abgelehnt-text: #f87171;
  --status-abgelehnt-border: #e11d48;

  --btn-approve-bg: #10b981;
  --btn-approve-hover: #059669;
  --btn-reject-bg: #ef4444;
  --btn-reject-hover: #dc2626;

  --radius: 12px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--card-border);
  padding: 1.5rem 1rem;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
}

.app-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

.subtitle {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 0.2rem;
}

/* Main Container */
.main-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1rem;
  flex: 1;
}

/* Controls & Filters */
.controls-section {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  background-color: var(--card-bg);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-label {
  font-weight: 600;
  color: var(--text-muted);
  margin-right: 0.5rem;
  font-size: 0.9rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn:hover {
  color: var(--text-main);
  border-color: var(--text-muted);
}

.filter-btn.active {
  background-color: var(--accent);
  color: #0f172a;
  border-color: var(--accent);
  font-weight: 600;
}

.stats-summary {
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

/* Card Component */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.card-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: #0f172a;
  overflow: hidden;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.status-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid transparent;
  backdrop-filter: blur(4px);
}

.status-badge.status-offen {
  background-color: rgba(69, 26, 3, 0.85);
  color: var(--status-offen-text);
  border-color: var(--status-offen-border);
}

.status-badge.status-freigegeben {
  background-color: rgba(6, 78, 59, 0.85);
  color: var(--status-freigegeben-text);
  border-color: var(--status-freigegeben-border);
}

.status-badge.status-abgelehnt {
  background-color: rgba(76, 5, 25, 0.85);
  color: var(--status-abgelehnt-text);
  border-color: var(--status-abgelehnt-border);
}

.card-content {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.card-caption {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex: 1;
}

.card-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
}

.action-btn {
  flex: 1;
  padding: 0.6rem 0.5rem;
  border: none;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, opacity 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

.btn-approve {
  background-color: var(--btn-approve-bg);
  color: #ffffff;
}

.btn-approve:hover {
  background-color: var(--btn-approve-hover);
}

.btn-reject {
  background-color: var(--btn-reject-bg);
  color: #ffffff;
}

.btn-reject:hover {
  background-color: var(--btn-reject-hover);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  background-color: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
}

.hidden {
  display: none !important;
}

/* Footer */
.app-footer {
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--card-border);
  margin-top: auto;
}

/* Responsive adjustment */
@media (max-width: 600px) {
  .controls-section {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group {
    justify-content: center;
  }

  .stats-summary {
    text-align: center;
  }

  .queue-grid {
    grid-template-columns: 1fr;
  }
}