/**
 * MarketForge Frontend Styles
 */

/* Variables */
:root {
    --mf-primary: #2563eb;
    --mf-primary-dark: #1d4ed8;
    --mf-secondary: #64748b;
    --mf-success: #22c55e;
    --mf-warning: #f59e0b;
    --mf-danger: #ef4444;
    --mf-light: #f8fafc;
    --mf-dark: #1e293b;
    --mf-border: #e2e8f0;
    --mf-shadow: 0 1px 3px rgba(0,0,0,0.1);
    --mf-radius: 8px;
}

/* Base */
.mf-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Buttons */
.mf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--mf-radius);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

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

.mf-btn-primary:hover {
    background: var(--mf-primary-dark);
}

.mf-btn-secondary {
    background: var(--mf-light);
    color: var(--mf-dark);
    border: 1px solid var(--mf-border);
}

.mf-btn-secondary:hover {
    background: var(--mf-border);
}

.mf-btn-success {
    background: var(--mf-success);
    color: white;
}

.mf-btn-danger {
    background: var(--mf-danger);
    color: white;
}

/* Listings Grid */
.mf-listings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

/* Listing Card */
.mf-listing-card {
    background: white;
    border-radius: var(--mf-radius);
    box-shadow: var(--mf-shadow);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.mf-listing-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.mf-listing-card__image {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--mf-light);
}

.mf-listing-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mf-listing-card__badges {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    display: flex;
    gap: 0.5rem;
}

.mf-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.mf-badge-verified {
    background: var(--mf-success);
    color: white;
}

.mf-badge-featured {
    background: var(--mf-warning);
    color: white;
}

.mf-badge-type {
    background: var(--mf-primary);
    color: white;
}

.mf-listing-card__content {
    padding: 1rem;
}

.mf-listing-card__title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    color: var(--mf-dark);
}

.mf-listing-card__title a {
    color: inherit;
    text-decoration: none;
}

.mf-listing-card__title a:hover {
    color: var(--mf-primary);
}

.mf-listing-card__meta {
    display: flex;
    gap: 1rem;
    margin: 0.75rem 0;
    font-size: 0.875rem;
    color: var(--mf-secondary);
}

.mf-listing-card__meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.mf-listing-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.75rem;
    border-top: 1px solid var(--mf-border);
}

.mf-listing-card__price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--mf-dark);
}

.mf-listing-card__stats {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--mf-secondary);
}

/* Filters */
.mf-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--mf-radius);
    box-shadow: var(--mf-shadow);
    margin-bottom: 1.5rem;
}

.mf-filter-group {
    flex: 1;
    min-width: 150px;
}

.mf-filter-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--mf-secondary);
    margin-bottom: 0.5rem;
}

.mf-filter-group select,
.mf-filter-group input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--mf-border);
    border-radius: 4px;
    font-size: 0.875rem;
}

/* Single Listing */
.mf-single-listing {
    max-width: 1200px;
    margin: 0 auto;
}

.mf-single-listing__header {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .mf-single-listing__header {
        grid-template-columns: 1fr;
    }
}

.mf-gallery {
    border-radius: var(--mf-radius);
    overflow: hidden;
}

.mf-gallery__main {
    aspect-ratio: 16/10;
    background: var(--mf-light);
}

.mf-gallery__main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mf-gallery__thumbs {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.mf-gallery__thumb {
    width: 80px;
    aspect-ratio: 16/10;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.mf-gallery__thumb.active,
.mf-gallery__thumb:hover {
    opacity: 1;
}

.mf-sidebar {
    background: white;
    border-radius: var(--mf-radius);
    box-shadow: var(--mf-shadow);
    padding: 1.5rem;
}

.mf-sidebar__price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--mf-dark);
    margin-bottom: 1rem;
}

.mf-sidebar__actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.mf-sidebar__seller {
    padding-top: 1rem;
    border-top: 1px solid var(--mf-border);
}

.mf-seller-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mf-seller-info__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--mf-light);
}

.mf-seller-info__name {
    font-weight: 600;
}

.mf-seller-info__rating {
    font-size: 0.875rem;
    color: var(--mf-secondary);
}

/* Verification Badges */
.mf-verifications {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.mf-verification-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: rgba(34, 197, 94, 0.1);
    color: var(--mf-success);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Tabs */
.mf-tabs {
    margin: 2rem 0;
}

.mf-tabs__nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--mf-border);
}

.mf-tabs__tab {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--mf-secondary);
    cursor: pointer;
    position: relative;
}

.mf-tabs__tab.active {
    color: var(--mf-primary);
}

.mf-tabs__tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--mf-primary);
}

.mf-tabs__content {
    padding: 1.5rem 0;
}

.mf-tab-panel {
    display: none;
}

.mf-tab-panel.active {
    display: block;
}

/* Metrics */
.mf-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.mf-metric {
    background: var(--mf-light);
    padding: 1rem;
    border-radius: var(--mf-radius);
}

.mf-metric__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--mf-secondary);
    margin-bottom: 0.25rem;
}

.mf-metric__value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--mf-dark);
}

/* Valuation */
.mf-valuation {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: var(--mf-radius);
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.mf-valuation__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.mf-valuation__title {
    font-weight: 600;
    color: var(--mf-dark);
}

.mf-valuation__confidence {
    padding: 0.25rem 0.5rem;
    background: var(--mf-primary);
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.mf-valuation__range {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--mf-primary);
    margin-bottom: 0.5rem;
}

.mf-valuation__factors {
    font-size: 0.875rem;
    color: var(--mf-secondary);
}

/* Chat */
.mf-chat {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 380px;
    max-height: 500px;
    background: white;
    border-radius: var(--mf-radius);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    z-index: 9999;
}

.mf-chat.hidden {
    display: none;
}

.mf-chat__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--mf-border);
}

.mf-chat__messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    max-height: 300px;
}

.mf-chat__message {
    margin-bottom: 1rem;
}

.mf-chat__message--sent {
    text-align: right;
}

.mf-chat__bubble {
    display: inline-block;
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
}

.mf-chat__message--received .mf-chat__bubble {
    background: var(--mf-light);
    color: var(--mf-dark);
}

.mf-chat__message--sent .mf-chat__bubble {
    background: var(--mf-primary);
    color: white;
}

.mf-chat__input {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    border-top: 1px solid var(--mf-border);
}

.mf-chat__input input {
    flex: 1;
    padding: 0.5rem 1rem;
    border: 1px solid var(--mf-border);
    border-radius: 2rem;
    font-size: 0.875rem;
}

/* Dashboard */
.mf-dashboard {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .mf-dashboard {
        grid-template-columns: 1fr;
    }
}

.mf-dashboard__nav {
    background: white;
    border-radius: var(--mf-radius);
    box-shadow: var(--mf-shadow);
    padding: 1rem;
}

.mf-dashboard__nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    color: var(--mf-dark);
    text-decoration: none;
    font-size: 0.875rem;
}

.mf-dashboard__nav-item:hover,
.mf-dashboard__nav-item.active {
    background: var(--mf-light);
    color: var(--mf-primary);
}

.mf-dashboard__content {
    background: white;
    border-radius: var(--mf-radius);
    box-shadow: var(--mf-shadow);
    padding: 1.5rem;
}

/* Stats Cards */
.mf-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.mf-stat-card {
    background: var(--mf-light);
    padding: 1rem;
    border-radius: var(--mf-radius);
    text-align: center;
}

.mf-stat-card__value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--mf-primary);
}

.mf-stat-card__label {
    font-size: 0.75rem;
    color: var(--mf-secondary);
    text-transform: uppercase;
}

/* Forms */
.mf-form-group {
    margin-bottom: 1.5rem;
}

.mf-form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.mf-form-group input,
.mf-form-group select,
.mf-form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--mf-border);
    border-radius: var(--mf-radius);
    font-size: 0.875rem;
}

.mf-form-group input:focus,
.mf-form-group select:focus,
.mf-form-group textarea:focus {
    outline: none;
    border-color: var(--mf-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Notices */
.mf-notice {
    padding: 1rem;
    border-radius: var(--mf-radius);
    margin-bottom: 1rem;
}

.mf-notice-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--mf-success);
    border: 1px solid var(--mf-success);
}

.mf-notice-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--mf-danger);
    border: 1px solid var(--mf-danger);
}

.mf-notice-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--mf-warning);
    border: 1px solid var(--mf-warning);
}

/* Login Prompt */
.mf-login-prompt {
    text-align: center;
    padding: 3rem;
    background: var(--mf-light);
    border-radius: var(--mf-radius);
}

.mf-login-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

/* Loading */
.mf-loading {
    display: flex;
    justify-content: center;
    padding: 2rem;
}

.mf-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--mf-border);
    border-top-color: var(--mf-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* No Results */
.mf-no-listings {
    text-align: center;
    padding: 3rem;
    color: var(--mf-secondary);
}

/* Pagination */
.mf-pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 2rem 0;
}

.mf-pagination a,
.mf-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.875rem;
}

.mf-pagination a {
    background: white;
    border: 1px solid var(--mf-border);
    color: var(--mf-dark);
}

.mf-pagination a:hover {
    background: var(--mf-light);
}

.mf-pagination .current {
    background: var(--mf-primary);
    color: white;
    border: 1px solid var(--mf-primary);
}

/* Responsive */
@media (max-width: 640px) {
    .mf-listings-grid {
        grid-template-columns: 1fr;
    }

    .mf-filters {
        flex-direction: column;
    }

    .mf-chat {
        width: 100%;
        right: 0;
        bottom: 0;
        border-radius: var(--mf-radius) var(--mf-radius) 0 0;
    }
}