/* Custom styles for Vertex Home Login Page - Vertex Service Partners Branding */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* Custom CSS Variables - Vertex Service Partners Brand Colors */
:root {
    --primary-color: #1a365d;
    --secondary-color: #2d3748;
    --accent-color: #3182ce;
    --success-color: #38a169;
    --warning-color: #d69e2e;
    --danger-color: #e53e3e;
    --text-dark: #1a202c;
    --text-muted: #4a5568;
    --text-light: #718096;
    --border-color: #e2e8f0;
    --background-light: #f7fafc;
    --background-white: #ffffff;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Global Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--background-light) 0%, #edf2f7 100%);
    color: var(--text-dark);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Login Container Styles */
.login-container {
    background: transparent;
}

.card {
    border-radius: 12px;
    border: none;
    box-shadow: var(--shadow-xl);
    background: var(--background-white);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Typography */
.display-5 {
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.text-primary {
    color: var(--primary-color) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

/* Form Controls */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    transition: all 0.3s ease;
    background: var(--background-white);
    color: var(--text-dark);
}

.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
    background: var(--background-white);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.form-control::placeholder {
    color: var(--text-light);
    font-weight: 400;
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.875rem 1.5rem;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
    letter-spacing: 0.025em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

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

.btn-primary:disabled {
    opacity: 0.7;
    transform: none;
    cursor: not-allowed;
}

/* Alert Messages */
.alert {
    border-radius: 8px;
    border: none;
    font-weight: 500;
}

.alert-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #48bb78 100%);
    color: white;
}

.alert-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #f56565 100%);
    color: white;
}

.alert-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #ed8936 100%);
    color: white;
}

.alert-info {
    background: linear-gradient(135deg, var(--accent-color) 0%, #4299e1 100%);
    color: white;
}

/* Spinner Animation */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Footer Links */
.text-decoration-none {
    color: var(--accent-color);
    transition: color 0.3s ease;
    font-weight: 500;
}

.text-decoration-none:hover {
    color: var(--primary-color);
}

/* Invalid Feedback */
.invalid-feedback {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--danger-color);
    margin-top: 0.25rem;
}

/* Responsive Design */
@media (max-width: 576px) {
    .card-body {
        padding: 2rem 1.5rem !important;
    }
    
    .display-5 {
        font-size: 1.875rem;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
    }
}

@media (max-width: 768px) {
    .login-container {
        padding: 1rem;
    }
    
    .card {
        margin: 1rem;
    }
}

/* Animation for card entrance */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.6s ease-out;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-light);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Focus styles for accessibility */
.btn:focus,
.form-control:focus {
    outline: none;
}

/* Loading state styles */
.btn-loading {
    pointer-events: none;
}

/* Hover effects for interactive elements */
.form-control:hover:not(:focus) {
    border-color: var(--accent-color);
}

/* Print styles */
@media print {
    .login-container {
        background: white !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid var(--border-color) !important;
    }
}

/* Vertex Service Partners specific branding elements */
.vertex-logo {
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.vertex-tagline {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.875rem;
    letter-spacing: 0.025em;
}

/* Enhanced form styling */
.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
    transform: translateY(-1px);
}

.form-control:hover {
    border-color: var(--accent-color);
    transform: translateY(-1px);
}