/**
 * Pay It Forward - Public Styles
 */

/* Variables */
:root {
    --pif-primary: #e74c3c;
    --pif-primary-dark: #c0392b;
    --pif-secondary: #3498db;
    --pif-success: #27ae60;
    --pif-warning: #f39c12;
    --pif-danger: #e74c3c;
    --pif-gray-100: #f8f9fa;
    --pif-gray-200: #e9ecef;
    --pif-gray-300: #dee2e6;
    --pif-gray-400: #ced4da;
    --pif-gray-500: #adb5bd;
    --pif-gray-600: #6c757d;
    --pif-gray-700: #495057;
    --pif-gray-800: #343a40;
    --pif-gray-900: #212529;
    --pif-radius: 8px;
    --pif-radius-lg: 12px;
    --pif-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --pif-shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
    --pif-transition: all 0.2s ease;
}

/* Base Styles */
.pif-deed-feed,
.pif-submit-form-wrapper,
.pif-my-deeds {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Buttons */
.pif-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--pif-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pif-transition);
    text-decoration: none;
}

.pif-btn-primary {
    background: var(--pif-primary);
    color: white;
}

.pif-btn-primary:hover {
    background: var(--pif-primary-dark);
    color: white;
}

.pif-btn-secondary {
    background: var(--pif-gray-200);
    color: var(--pif-gray-700);
}

.pif-btn-secondary:hover {
    background: var(--pif-gray-300);
}

.pif-btn-small {
    padding: 8px 16px;
    font-size: 13px;
}

.pif-btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.pif-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Deed Card Grid */
.pif-deed-grid {
    display: grid;
    gap: 24px;
}

.pif-columns-2 .pif-deed-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.pif-columns-3 .pif-deed-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* Deed Card */
.pif-deed-card {
    background: white;
    border-radius: var(--pif-radius-lg);
    box-shadow: var(--pif-shadow);
    overflow: hidden;
    transition: var(--pif-transition);
}

.pif-deed-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--pif-shadow-lg);
}

.pif-deed-card__image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.pif-deed-card__content {
    padding: 20px;
}

.pif-deed-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.pif-deed-card__author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pif-deed-card__author img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.pif-deed-card__author-info {
    display: flex;
    flex-direction: column;
}

.pif-deed-card__author-name {
    font-weight: 600;
    color: var(--pif-gray-800);
    font-size: 14px;
}

.pif-deed-card__date {
    font-size: 12px;
    color: var(--pif-gray-500);
}

.pif-chain-badge {
    background: var(--pif-secondary);
    color: white;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pif-deed-card__title {
    margin: 0 0 10px;
    font-size: 18px;
}

.pif-deed-card__title a {
    color: var(--pif-gray-800);
    text-decoration: none;
}

.pif-deed-card__title a:hover {
    color: var(--pif-primary);
}

.pif-deed-card__excerpt {
    color: var(--pif-gray-600);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 12px;
}

.pif-deed-card__location {
    color: var(--pif-gray-500);
    font-size: 13px;
    margin-bottom: 16px;
}

.pif-deed-card__footer {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Submit Form */
.pif-submit-form {
    background: white;
    padding: 30px;
    border-radius: var(--pif-radius-lg);
    box-shadow: var(--pif-shadow);
}

.pif-form-group {
    margin-bottom: 20px;
}

.pif-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--pif-gray-700);
}

.pif-form-group input[type="text"],
.pif-form-group input[type="email"],
.pif-form-group textarea,
.pif-form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--pif-gray-300);
    border-radius: var(--pif-radius);
    font-size: 15px;
    transition: var(--pif-transition);
}

.pif-form-group input:focus,
.pif-form-group textarea:focus,
.pif-form-group select:focus {
    outline: none;
    border-color: var(--pif-primary);
}

.pif-form-row {
    display: flex;
    gap: 20px;
}

.pif-form-group-half {
    flex: 1;
}

.pif-form-actions {
    margin-top: 24px;
    text-align: center;
}

.pif-form-message {
    margin-top: 20px;
    padding: 16px;
    border-radius: var(--pif-radius);
    text-align: center;
}

.pif-form-message.success {
    background: #d4edda;
    color: #155724;
}

.pif-form-message.error {
    background: #f8d7da;
    color: #721c24;
}

/* Honeypot - hide from users */
.pif-hp {
    position: absolute !important;
    left: -9999px !important;
    opacity: 0;
    pointer-events: none;
}

/* Chain Visualization */
.pif-chain-visualization {
    background: var(--pif-gray-100);
    border-radius: var(--pif-radius-lg);
    padding: 24px;
    margin: 24px 0;
}

.pif-chain-title {
    margin: 0 0 20px;
    font-size: 18px;
    color: var(--pif-gray-800);
}

.pif-chain-items {
    display: flex;
    flex-direction: column;
}

.pif-chain-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: white;
    border-radius: var(--pif-radius);
    box-shadow: var(--pif-shadow);
}

.pif-chain-item--current {
    border: 2px solid var(--pif-primary);
}

.pif-chain-item__avatar img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.pif-chain-item__content {
    flex: 1;
}

.pif-chain-item__title {
    font-weight: 600;
    color: var(--pif-gray-800);
    text-decoration: none;
    display: block;
    margin-bottom: 4px;
}

.pif-chain-item__title:hover {
    color: var(--pif-primary);
}

.pif-chain-item__author {
    color: var(--pif-gray-600);
    font-size: 13px;
    margin-right: 12px;
}

.pif-chain-item__date {
    color: var(--pif-gray-500);
    font-size: 12px;
}

.pif-chain-connector {
    display: flex;
    justify-content: center;
    padding: 8px 0;
}

.pif-chain-arrow {
    font-size: 20px;
    color: var(--pif-primary);
}

/* Deed Meta */
.pif-deed-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 20px 0;
    padding: 20px;
    background: var(--pif-gray-100);
    border-radius: var(--pif-radius);
}

.pif-deed-meta > div {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--pif-gray-600);
    font-size: 14px;
}

.pif-icon {
    font-size: 16px;
}

/* Deed Actions */
.pif-deed-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 24px 0;
    padding: 20px;
    background: var(--pif-gray-100);
    border-radius: var(--pif-radius);
}

/* Modal */
.pif-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;
}

.pif-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pif-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
}

.pif-modal-content {
    position: relative;
    background: white;
    border-radius: var(--pif-radius-lg);
    padding: 32px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
}

.pif-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--pif-gray-500);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.pif-modal-close:hover {
    color: var(--pif-gray-700);
}

.pif-modal h2 {
    margin: 0 0 24px;
    font-size: 22px;
}

/* QR Modal */
.pif-qr-content {
    text-align: center;
}

.pif-qr-image img {
    max-width: 200px;
    margin: 20px auto;
}

.pif-qr-url {
    font-size: 12px;
    color: var(--pif-gray-500);
    word-break: break-all;
}

/* Stats */
.pif-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 30px;
}

.pif-stats--vertical {
    flex-direction: column;
    gap: 20px;
}

.pif-stats--cards .pif-stat {
    background: white;
    padding: 24px 32px;
    border-radius: var(--pif-radius-lg);
    box-shadow: var(--pif-shadow);
}

.pif-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.pif-stat__icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.pif-stat__number {
    font-size: 36px;
    font-weight: 700;
    color: var(--pif-primary);
}

.pif-stat__label {
    font-size: 14px;
    color: var(--pif-gray-600);
    margin-top: 4px;
}

/* Recent Deeds */
.pif-recent-deeds {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pif-recent-deed {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--pif-gray-200);
}

.pif-recent-deed:last-child {
    border-bottom: none;
}

.pif-recent-deed__avatar img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.pif-recent-deed__content {
    flex: 1;
}

.pif-recent-deed__title {
    display: block;
    font-weight: 600;
    color: var(--pif-gray-800);
    text-decoration: none;
    margin-bottom: 4px;
}

.pif-recent-deed__title:hover {
    color: var(--pif-primary);
}

.pif-recent-deed__meta {
    font-size: 12px;
    color: var(--pif-gray-500);
}

/* My Deeds List */
.pif-deed-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: white;
    border-radius: var(--pif-radius);
    box-shadow: var(--pif-shadow);
    margin-bottom: 16px;
}

.pif-deed-list-item.pif-deed-pending {
    border-left: 4px solid var(--pif-warning);
}

.pif-deed-list-item__title {
    margin: 0 0 8px;
    font-size: 16px;
}

.pif-deed-list-item__title a {
    color: var(--pif-gray-800);
    text-decoration: none;
}

.pif-deed-list-item__meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--pif-gray-500);
}

.pif-deed-status--pending {
    color: var(--pif-warning);
    font-weight: 600;
}

.pif-deed-list-item__excerpt {
    margin-top: 8px;
    color: var(--pif-gray-600);
    font-size: 14px;
}

/* No Deeds Message */
.pif-no-deeds {
    text-align: center;
    padding: 60px 20px;
    color: var(--pif-gray-600);
}

.pif-no-deeds p {
    margin-bottom: 20px;
    font-size: 16px;
}

/* Login Required */
.pif-login-required {
    text-align: center;
    padding: 40px;
    background: var(--pif-gray-100);
    border-radius: var(--pif-radius-lg);
}

.pif-login-required p {
    margin-bottom: 16px;
    color: var(--pif-gray-600);
}

/* Scan Required (QR code needed) */
.pif-scan-required {
    text-align: center;
    padding: 60px 40px;
    background: linear-gradient(135deg, #fff5f5 0%, #f8f9fa 100%);
    border-radius: var(--pif-radius-lg);
    border: 2px dashed var(--pif-gray-300);
}

.pif-scan-required__icon {
    margin-bottom: 20px;
}

.pif-scan-required h2 {
    color: var(--pif-gray-800);
    margin-bottom: 16px;
    font-size: 1.75rem;
}

.pif-scan-required > p {
    color: var(--pif-gray-600);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto 30px;
    line-height: 1.6;
}

.pif-how-it-works {
    background: white;
    border-radius: var(--pif-radius);
    padding: 30px;
    max-width: 450px;
    margin: 0 auto 30px;
    box-shadow: var(--pif-shadow);
    text-align: left;
}

.pif-how-it-works h3 {
    color: var(--pif-gray-800);
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.pif-how-it-works ol {
    list-style: none;
    counter-reset: steps;
    padding: 0;
    margin: 0;
}

.pif-how-it-works ol li {
    counter-increment: steps;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--pif-gray-200);
    color: var(--pif-gray-700);
    font-size: 0.95rem;
}

.pif-how-it-works ol li:last-child {
    border-bottom: none;
}

.pif-how-it-works ol li::before {
    content: counter(steps);
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pif-primary);
    color: white;
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.85rem;
}

.pif-scan-required__actions {
    margin-bottom: 20px;
}

.pif-scan-required__note {
    color: var(--pif-gray-500);
    font-size: 0.9rem;
    margin: 0;
}

/* Parent Deed Info (when continuing a chain) */
.pif-parent-deed-info {
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 100%);
    border-radius: var(--pif-radius-lg);
    border-left: 4px solid var(--pif-success);
}

.pif-parent-deed-intro {
    color: var(--pif-gray-600);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.pif-parent-deed-card {
    background: white;
    padding: 16px;
    border-radius: var(--pif-radius);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.pif-parent-deed-card h4 {
    margin: 0 0 8px;
    color: var(--pif-gray-800);
    font-size: 1rem;
}

.pif-parent-deed-card p {
    margin: 0 0 8px;
    color: var(--pif-gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
}

.pif-parent-author {
    color: var(--pif-gray-500);
    font-size: 0.85rem;
    font-style: italic;
}

/* Starter Code Info (new chain) */
.pif-starter-info {
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    border-radius: var(--pif-radius-lg);
    margin-bottom: 30px;
}

.pif-starter-icon {
    font-size: 4rem;
    margin-bottom: 15px;
}

.pif-starter-info h2 {
    color: var(--pif-gray-800);
    margin-bottom: 12px;
    font-size: 1.5rem;
}

.pif-starter-info p {
    color: var(--pif-gray-700);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

/* Pagination */
.pif-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
}

.pif-pagination a,
.pif-pagination span {
    padding: 8px 14px;
    border-radius: var(--pif-radius);
    text-decoration: none;
    font-size: 14px;
}

.pif-pagination a {
    background: white;
    color: var(--pif-gray-700);
    border: 1px solid var(--pif-gray-300);
}

.pif-pagination a:hover {
    background: var(--pif-gray-100);
}

.pif-pagination .current {
    background: var(--pif-primary);
    color: white;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .pif-form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .pif-deed-actions {
        flex-direction: column;
    }
    
    .pif-deed-actions .pif-btn {
        width: 100%;
    }
    
    .pif-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .pif-deed-list-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .pif-deed-list-item__actions {
        width: 100%;
    }
    
    .pif-deed-list-item__actions .pif-btn {
        width: 100%;
    }
    
    .pif-modal-content {
        padding: 24px;
        margin: 10px;
    }
}

/* Animation */
@keyframes pif-fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pif-deed-card {
    animation: pif-fadeIn 0.3s ease forwards;
}

.pif-deed-card:nth-child(2) { animation-delay: 0.1s; }
.pif-deed-card:nth-child(3) { animation-delay: 0.2s; }
.pif-deed-card:nth-child(4) { animation-delay: 0.3s; }