:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-color: #1e293b;
  --border-color: #e2e8f0;
  --danger-color: #ef4444;
  --success-color: #10b981;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo-area img {
  max-height: 50px;
}

.logo-area h1 {
  font-size: 1.25rem;
  color: var(--primary-color);
}

.contact-info {
  font-size: 0.875rem;
  color: #64748b;
}

.card {
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  padding: 25px;
  margin-bottom: 20px;
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: 1rem;
  font-weight: 500;
  color: #fff;
  background-color: var(--primary-color);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s;
}

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

.btn-danger { background-color: var(--danger-color); }
.btn-danger:hover { background-color: #dc2626; }
.btn-secondary { background-color: #64748b; }
.btn-secondary:hover { background-color: #475569; }

/* Audio Recorder Panel */
.recorder-box {
  background: #f1f5f9;
  padding: 15px;
  border-radius: 6px;
  border: 1px dashed #cbd5e1;
  text-align: center;
  margin-top: 10px;
}

.recorder-controls {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 10px 0;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

table th, table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

table th {
  background-color: #f8fafc;
  font-weight: 600;
}

/* Admin Grid Layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 25px;
}

.stat-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.stat-card h3 {
  font-size: 0.875rem;
  color: #64748b;
  text-transform: uppercase;
}

.stat-card p {
  font-size: 1.75rem;
  font-weight: bold;
  margin-top: 5px;
}

footer {
  margin-top: auto;
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 20px 0;
  text-align: center;
  font-size: 0.875rem;
  color: #64748b;
}

.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.alert-danger { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }