/* BodyweightBuzz Custom Styles */

/* Custom animations */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse-gentle {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fade-in {
    animation: fade-in 1s ease-out;
}

.animate-slide-in-left {
    animation: slide-in-left 0.8s ease-out;
}

.animate-slide-in-right {
    animation: slide-in-right 0.8s ease-out;
}

.animate-pulse-gentle {
    animation: pulse-gentle 2s infinite;
}

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

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

::-webkit-scrollbar-thumb {
    background: #10b981;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #059669;
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glass morphism effect */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Custom button styles */
.btn-primary {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #10b981;
    padding: 12px 24px;
    border: 2px solid #10b981;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: #10b981;
    color: white;
    transform: translateY(-2px);
}

/* Card hover effects */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Exercise category cards */
.category-card {
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.category-card.active {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.category-card.active h3,
.category-card.active p {
    color: white;
}

/* Navigation styles */
.nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #10b981;
    transition: width 0.3s ease;
}

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

/* Form styles */
.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-input:focus {
    outline: none;
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
    background: white;
}

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

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #10b981;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Progress bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #059669);
    border-radius: 4px;
    transition: width 0.3s ease;
}

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

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 14px;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Responsive design improvements */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }

    body {
        font-size: 12px;
        color: black;
    }

    a {
        color: black;
        text-decoration: none;
    }

    .btn-primary,
    .btn-secondary {
        background: white;
        color: black;
        border: 1px solid black;
        box-shadow: none;
    }
}

/* Accessibility improvements */
@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 support */
@media (prefers-contrast: high) {
    .btn-primary {
        background: #000;
        color: #fff;
        border: 2px solid #fff;
    }

    .card-hover {
        border: 2px solid #000;
    }
}

/* Focus visible for keyboard navigation */
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.form-input:focus-visible {
    outline: 2px solid #10b981;
    outline-offset: 2px;
}

/* Custom selection colors */
::selection {
    background: rgba(16, 185, 129, 0.3);
    color: #065f46;
}

/* Custom placeholder colors */
.form-input::placeholder {
    color: #9ca3af;
}

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