/* Components CSS - Buttons, Cards, and Interactive Elements */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: 12px;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--dark-bg);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--glass-border);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
    border-radius: 16px;
}

.btn-icon {
    font-size: 1.2em;
}

/* Loading States */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Interactive Cards */
.interactive-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--space-6);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.interactive-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
    z-index: -1;
}

.interactive-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.interactive-card:hover::before {
    opacity: 0.05;
}

/* Progress Indicators */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--dark-tertiary);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

/* Form Elements */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: var(--space-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(174, 226, 255, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* Tooltips */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip:hover .tooltip-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.tooltip-content {
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--dark-bg);
    color: var(--text-primary);
    padding: var(--space-2) var(--space-3);
    border-radius: 8px;
    font-size: var(--font-size-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.tooltip-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--dark-bg);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.badge-primary {
    background: var(--primary-blue);
    color: var(--dark-bg);
    border-color: var(--primary-blue);
}

.badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: #10b981;
    border-color: rgba(34, 197, 94, 0.3);
}

.badge-warning {
    background: rgba(251, 191, 36, 0.2);
    color: #f59e0b;
    border-color: rgba(251, 191, 36, 0.3);
}

.badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.3);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--dark-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--space-8);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
    background: var(--glass-bg);
}

/* Tabs */
.tabs {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-6);
}

.tab-list {
    display: flex;
    gap: var(--space-4);
    list-style: none;
}

.tab-button {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: var(--font-size-base);
    font-weight: 500;
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.tab-button:hover {
    color: var(--text-secondary);
}

.tab-button.active {
    color: var(--text-primary);
    border-bottom-color: var(--primary-blue);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Accordion */
.accordion {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    background: var(--glass-bg);
    cursor: pointer;
    transition: var(--transition-fast);
}

.accordion-header:hover {
    background: var(--glass-border);
}

.accordion-title {
    font-weight: 600;
    font-size: var(--font-size-base);
}

.accordion-icon {
    transition: var(--transition-base);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 0 var(--space-6);
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item.active .accordion-content {
    padding: var(--space-4) var(--space-6);
    max-height: 200px;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.toggle-input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark-tertiary);
    border-radius: 28px;
    transition: var(--transition-base);
}

.toggle-slider::before {
    position: absolute;
    content: '';
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background: white;
    border-radius: 50%;
    transition: var(--transition-base);
}

.toggle-input:checked + .toggle-slider {
    background: var(--primary-blue);
}

.toggle-input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--dark-bg);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    z-index: 1000;
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* Notification Toast */
.toast {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    background: var(--dark-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-4) var(--space-6);
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: var(--transition-base);
    z-index: 10000;
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    border-left: 4px solid #10b981;
}

.toast-error {
    border-left: 4px solid #ef4444;
}

.toast-warning {
    border-left: 4px solid #f59e0b;
}

.toast-info {
    border-left: 4px solid var(--primary-blue);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--dark-tertiary);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 6px;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--dark-tertiary) 25%, var(--glass-bg) 50%, var(--dark-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-title {
    height: 1.5em;
    width: 60%;
    margin-bottom: 1em;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

/* Responsive Utilities */
@media (max-width: 768px) {
    .btn-large {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-base);
    }
    
    .modal {
        margin: var(--space-4);
        width: calc(100% - 2rem);
    }
    
    .fab {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 48px;
        height: 48px;
        font-size: var(--font-size-lg);
    }
    
    .toast {
        top: var(--space-4);
        right: var(--space-4);
        left: var(--space-4);
        max-width: none;
    }
}