/* CiteProof™ - Main Stylesheet */

/* Global Styles */
body {
    font-family: 'Roboto', 'Segoe UI', sans-serif;
    color: #333;
    background-color: #f8f9fa;
}

/* Dashboard Header Styles */
.dashboard-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

/* Admin Header Styles */
.admin-header {
    background: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

/* Card Styles */
.stats-card, .metric-card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed #667eea;
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    cursor: pointer;
}

/* Text Gradient Effects */
.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-admin {
    background: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Form Elements */
.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6ecc 0%, #6a4492 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
    border: none;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333 0%, #e96b07 100%);
}

/* Login/Signup Form */
.auth-form {
    max-width: 450px;
    margin: 0 auto;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

/* Validation Results */
.citation-valid {
    background-color: rgba(40, 167, 69, 0.1);
    border-left: 4px solid #28a745;
}

.citation-warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
}

.citation-error {
    background-color: rgba(220, 53, 69, 0.1);
    border-left: 4px solid #dc3545;
}