/* Import all base styles from index.css */
@import url('index.css');

/* Enhanced Contributions Page Styles */
.page-title {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 20px 60px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.page-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.05;
    z-index: -1;
}

.page-title h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 3s ease-in-out infinite;
    position: relative;
}

.page-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: pulse-width 2s ease-in-out infinite;
}

@keyframes pulse-width {
    0%, 100% { width: 80px; }
    50% { width: 120px; }
}

.page-title p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    animation: fade-in-up 1s ease-out 0.5s both;
}

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

/* Main Contributions Section */
.contributions {
    padding: 80px 20px;
    background: var(--bg-primary);
    position: relative;
}

.contribution-category {
    max-width: 1000px;
    margin: 0 auto;
}

.contribution-category h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    padding: 20px 0;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contribution-category h3::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--border-color) 25%, var(--border-color) 75%, transparent 100%);
    transform: translateY(-50%);
    z-index: -1;
}

.contribution-category h3::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 60px;
    background: var(--bg-primary);
    z-index: -1;
}

/* Contribution List with Stagger Animation */
.contribution-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.contribution-item {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 35px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    transform: translateY(20px);
    opacity: 0;
    animation: slide-in-up 0.8s ease-out forwards;
}

.contribution-item:nth-child(1) { animation-delay: 0.1s; }
.contribution-item:nth-child(2) { animation-delay: 0.3s; }
.contribution-item:nth-child(3) { animation-delay: 0.5s; }
.contribution-item:nth-child(4) { animation-delay: 0.7s; }

@keyframes slide-in-up {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.contribution-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.contribution-item:hover::before {
    transform: scaleX(1);
}

.contribution-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.contribution-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--hover-shadow), 0 0 30px rgba(108, 92, 231, 0.15);
    border-color: var(--primary-color);
}

.contribution-item:hover::after {
    opacity: 0.03;
}

/* Title and Links */
.contribution-item h4 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
    position: relative;
}

.contribution-item h4 a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contribution-item h4 a::before {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

.contribution-item h4 a:hover::before {
    width: 100%;
}

.contribution-item h4 a:hover {
    background: var(--gradient-secondary);
    background-clip: text;
    -webkit-background-clip: text;
    transform: translateX(5px);
}

/* Date with Icon Animation */
.contribution-date {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.contribution-date::before {
    content: '📅';
    font-size: 1rem;
    animation: bounce-gentle 2s ease-in-out infinite;
    display: inline-block;
}

@keyframes bounce-gentle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* Description */
.contribution-description {
    font-size: 1.05rem;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 25px;
    text-align: justify;
}

/* Enhanced Details Section */
.contribution-details {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(108, 92, 231, 0.03) 100%);
    border-radius: 16px;
    padding: 25px;
    margin-top: 25px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.contribution-details::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    border-radius: 0 2px 2px 0;
}

.contribution-details h5 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.contribution-details h5::before {
    content: '🔗';
    font-size: 1rem;
    animation: rotate-gentle 3s linear infinite;
}

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

.contribution-source {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
    font-style: italic;
    padding: 8px 12px;
    background: rgba(108, 92, 231, 0.08);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

/* Issue Description */
.issue-description {
    margin: 18px 0;
}

.issue-description p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
}

.issue-description ul {
    margin: 18px 0;
    padding-left: 25px;
    color: var(--text-secondary);
}

.issue-description li {
    margin-bottom: 10px;
    line-height: 1.6;
    position: relative;
    transition: all 0.3s ease;
}

.issue-description li:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.issue-description li::marker {
    color: var(--primary-color);
}

/* Enhanced Metrics */
.contribution-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.contribution-metrics span {
    background: var(--gradient-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: default;
}

.contribution-metrics span::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s ease;
}

.contribution-metrics span:hover::before {
    left: 100%;
}

.contribution-metrics span:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.contribution-metrics span:nth-child(1) {
    background: var(--gradient-primary);
}

.contribution-metrics span:nth-child(2) {
    background: var(--gradient-secondary);
}

.contribution-metrics span:nth-child(3) {
    background: var(--gradient-accent);
}

/* Status-specific colors */
.contribution-metrics span:has-text("Merged") {
    background: linear-gradient(135deg, #00b894, #00d8b2);
}

.contribution-metrics span:has-text("Open") {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.contribution-metrics span:has-text("Pending") {
    background: linear-gradient(135deg, #e17055, #fd79a8);
}

/* Add icons to metrics */
.contribution-metrics span:first-child::after {
    content: '📊';
    margin-left: 4px;
}

.contribution-metrics span:nth-child(2)::after {
    content: '📅';
    margin-left: 4px;
}

.contribution-metrics span:nth-child(3)::after {
    content: '✅';
    margin-left: 4px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-title {
        padding: 100px 15px 40px;
        min-height: 50vh;
    }

    .page-title h2 {
        font-size: 2.2rem;
    }

    .contributions {
        padding: 60px 15px;
    }

    .contribution-item {
        padding: 25px;
        margin-bottom: 20px;
    }

    .contribution-item h4 {
        font-size: 1.2rem;
    }

    .contribution-details {
        padding: 20px;
        margin-top: 20px;
    }

    .contribution-metrics {
        flex-direction: column;
        gap: 8px;
    }

    .contribution-metrics span {
        align-self: flex-start;
        font-size: 0.8rem;
    }

    .contribution-category h3 {
        font-size: 1.6rem;
    }

    .contribution-category h3::after {
        height: 50px;
    }
}

@media (max-width: 480px) {
    .page-title h2 {
        font-size: 1.8rem;
    }

    .contribution-category h3 {
        font-size: 1.4rem;
    }

    .contribution-item {
        padding: 20px;
        border-radius: 16px;
    }

    .contribution-details {
        padding: 15px;
        border-radius: 12px;
    }

    .issue-description ul {
        padding-left: 20px;
    }

    .contribution-metrics span {
        padding: 6px 12px;
        font-size: 0.75rem;
    }

    .contribution-category h3::after {
        height: 45px;
    }
}

/* Dark mode enhancements */
[data-theme="dark"] .contribution-item {
    background: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .contribution-item:hover {
    box-shadow: var(--hover-shadow), 0 0 30px rgba(162, 155, 254, 0.2);
}

[data-theme="dark"] .contribution-details {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(162, 155, 254, 0.05) 100%);
}

[data-theme="dark"] .contribution-source {
    background: rgba(162, 155, 254, 0.1);
    border-left-color: var(--accent-color);
}

[data-theme="dark"] .contribution-category h3::after {
    background: var(--bg-primary);
}