:root {
  --primary-color: #0d1117;
  --secondary-color: #161b22;
  --accent-color: #2f81f7;
  --text-main: #e6edf3;
  --text-muted: #8b949e;
  --border-color: #30363d;
  --success-color: #238636;
  --danger-color: #da3633;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

body {
  background-color: var(--primary-color);
  color: var(--text-main);
  line-height: 1.5;
}

header {
  padding: 24px 32px;
  background-color: var(--secondary-color);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
}

/* Button Styles */
.btn {
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--secondary-color);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn:hover {
  background-color: #30363d;
  border-color: #8b949e;
}

.btn-primary {
  background-color: var(--success-color);
  border-color: rgba(240, 246, 252, 0.1);
  color: #fff;
}

.btn-primary:hover {
  background-color: #2ea043;
  border-color: rgba(240, 246, 252, 0.1);
}

.btn-danger {
  background-color: var(--danger-color);
  border-color: rgba(240, 246, 252, 0.1);
  color: #fff;
}

.btn-danger:hover {
  background-color: #f85149;
  border-color: rgba(240, 246, 252, 0.1);
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 14px;
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  background-color: var(--primary-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 14px;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(47, 129, 247, 0.3);
}

/* Card Grid (Dashboard) */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background-color: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.2sease, box-shadow 0.2s ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  border-color: #8b949e;
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-color);
  background-color: #21262d;
}

.card-body {
  padding: 16px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-pending { border: 1px solid #d29922; color: #d29922; }
.badge-approved { border: 1px solid var(--success-color); color: #3fb950; }
.badge-rejected { border: 1px solid var(--danger-color); color: #f85149; }


/* Fixed Preview Layout */
.preview-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.preview-content {
  flex: 1;
  overflow-y: auto;
  background-color: #000;
  text-align: center;
}

.preview-content img {
  width: 100%;
  height: auto;
  display: block;
}

.bottom-bar {
  background-color: var(--secondary-color);
  border-top: 1px solid var(--border-color);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 16px;
}

.status-indicator.approved { color: #3fb950; }
.status-indicator.rejected { color: #f85149; }

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0,0,0,0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background-color: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 100%;
  max-width: 500px;
  padding: 24px;
  transform: translateY(20px);
  transition: transform 0.2s ease;
}

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

.modal-header {
  margin-bottom: 16px;
  font-size: 18px;
  font-weight: 600;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}