/* Custom CSS for Opportuni Platform */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom animations and transitions */
.nav-link {
    position: relative;
}

/* Connection Animation Enhancement */
.connection-animation {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: all 0.3s ease;
}

.connection-animation:hover {
    transform: scale(1.02);
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.15));
}

/* Breathing animation for the fallback animation container */
@keyframes breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.hero-animation-container {
    animation: breathe 4s ease-in-out infinite;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 50%;
    background: linear-gradient(90deg, #3b82f6, #0ea5e9);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

/* Feature cards hover effect */
.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 100%;
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6, #0ea5e9);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #2563eb, #0284c7);
}

/* Navbar scroll effect */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

/* Modal animations */
.modal-enter {
    animation: modalEnter 0.3s ease-out;
}

.modal-exit {
    animation: modalExit 0.3s ease-in;
}

@keyframes modalEnter {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes modalExit {
    from {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
    to {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
}

/* Toast notifications */
.toast-enter {
    animation: toastEnter 0.3s ease-out;
}

.toast-exit {
    animation: toastExit 0.3s ease-in;
}

@keyframes toastEnter {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastExit {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* Form animations */
.form-group {
    position: relative;
}

.form-input {
    transition: all 0.3s ease;
}

.form-input:focus {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.1);
}

.form-label {
    transition: all 0.3s ease;
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
    transform: translateY(-20px) scale(0.8);
    color: #3b82f6;
}

/* Button ripple effect */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::before {
    width: 300px;
    height: 300px;
}

/* Loading animations */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Responsive utilities */
@media (max-width: 640px) {
    .mobile-hidden {
        display: none !important;
    }
    
    .mobile-full {
        width: 100% !important;
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}

/* Accessibility improvements */
.focus-visible:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .bg-gradient-to-r,
    .bg-gradient-to-br,
    .bg-gradient-to-bl {
        background: #000 !important;
        color: #fff !important;
    }
}

/* Dark mode support (for future implementation) */
@media (prefers-color-scheme: dark) {
    .dark-mode {
        --bg-primary: #1a202c;
        --bg-secondary: #2d3748;
        --text-primary: #f7fafc;
        --text-secondary: #e2e8f0;
    }
}

/* Profile Page Enhancements */
.profile-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.profile-section {
    background: #f8fafc;
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid #e2e8f0;
}

.profile-section h4 {
    color: #1f2937;
    font-weight: 600;
    margin-bottom: 1rem;
}

.profile-input-group {
    margin-bottom: 1.5rem;
}

.profile-input-group label {
    display: block;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
}

.profile-input-group input,
.profile-input-group textarea,
.profile-input-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.profile-input-group input:focus,
.profile-input-group textarea:focus,
.profile-input-group select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.profile-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    margin-bottom: 1.5rem;
}

.profile-card-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #e5e7eb;
}

.profile-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1f2937;
}

.profile-card-actions {
    display: flex;
    gap: 0.5rem;
}

.profile-list-item {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 0.75rem;
    transition: all 0.2s ease;
}

.profile-list-item:hover {
    border-color: #3b82f6;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}

.profile-list-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.profile-list-item-title {
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.profile-list-item-subtitle {
    color: #6b7280;
    font-size: 0.875rem;
}

.profile-list-item-actions {
    display: flex;
    gap: 0.5rem;
}

.profile-list-item-meta {
    color: #6b7280;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.profile-tag {
    display: inline-block;
    background: #e0e7ff;
    color: #3730a3;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 500;
    margin-right: 0.5rem;
    margin-bottom: 0.25rem;
}

.profile-skill-level {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.profile-skill-level-bar {
    flex: 1;
    height: 0.375rem;
    background: #e5e7eb;
    border-radius: 0.1875rem;
    overflow: hidden;
}

.profile-skill-level-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #6366f1);
    transition: width 0.3s ease;
}

/* Mobile Responsive Enhancements */
@media (max-width: 768px) {
    .profile-form-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-section {
        padding: 1rem;
    }
    
    .profile-card {
        padding: 1rem;
    }
    
    .profile-card-header {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    
    .profile-card-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .profile-list-item-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .profile-list-item-actions {
        align-self: flex-end;
    }
    
    .profile-tab {
        font-size: 0.875rem;
        padding: 0.75rem 0.5rem;
    }
    
    .profile-tab i {
        display: none;
    }
}

/* Tab Navigation Enhancements */
.profile-tab {
    transition: all 0.2s ease;
    position: relative;
}

.profile-tab:hover {
    background: rgba(59, 130, 246, 0.05);
}

.profile-tab.active {
    background: rgba(59, 130, 246, 0.1);
}

/* Enhanced Button Styles */
.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: white;
    border: none;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background: #e5e7eb;
    border-color: #9ca3af;
}

.btn-danger {
    background: #dc2626;
    color: white;
    border: none;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-danger:hover {
    background: #b91c1c;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

/* Resume Upload Section */
.resume-upload-area {
    border: 2px dashed #d1d5db;
    border-radius: 0.75rem;
    padding: 2rem;
    text-align: center;
    background: #f9fafb;
    transition: all 0.2s ease;
    cursor: pointer;
}

.resume-upload-area:hover {
    border-color: #3b82f6;
    background: #eff6ff;
}

.resume-upload-area.drag-over {
    border-color: #3b82f6;
    background: #eff6ff;
}

.resume-upload-icon {
    font-size: 2rem;
    color: #9ca3af;
    margin-bottom: 1rem;
}

.resume-upload-text {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.resume-upload-hint {
    color: #9ca3af;
    font-size: 0.75rem;
}

/* Loading States */
.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid #e5e7eb;
    border-top: 2px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Enhanced Modal Styles */
.modal-backdrop {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid #e5e7eb;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: white;
    border-radius: 0.5rem;
    padding: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #10b981;
    z-index: 1000;
    animation: slideIn 0.3s ease-out;
}

.notification.error {
    border-left-color: #ef4444;
}

.notification.warning {
    border-left-color: #f59e0b;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}