/* ===== ADVERTISEMENT STYLES ===== */

.v2-advertisements {
    margin: var(--space-6) 0;
    padding: var(--space-6) 0;
    /* Background removed - only placeholder grids should have background */
}

.v2-ads-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    max-width: 900px;
    margin: 0 auto;
}

.v2-advertisement-banner {
    position: relative;
    aspect-ratio: 400 / 97;
    height: auto;
    max-width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface);
    border: 2px solid var(--border);
    transition: all var(--transition);
    cursor: pointer;
}

.v2-advertisement-banner:hover {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(88, 101, 242, 0.15);
    transform: translateY(-2px);
}

.v2-ad-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
}

.v2-ad-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.v2-advertisement-banner.v2-ad-placeholder {
    background: var(--elevated);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
}

.v2-advertisement-banner.v2-ad-placeholder:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--elevated) 0%, rgba(88, 101, 242, 0.05) 100%);
}

.v2-ad-buy-spot {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    text-align: center;
    height: 100%;
}

.v2-ad-buy-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
    text-transform: capitalize;
    letter-spacing: 0px;
    color: var(--text-muted);
    font-size: var(--fs-12);
    line-height: 1.3;
}

.v2-ad-buy-icon {
    font-size: var(--fs-20);
    display: block;
    color: var(--primary);
}

.v2-ad-buy-spot .btn.small {
    padding: 6px 14px;
    font-size: var(--fs-12);
    white-space: nowrap;
}

/* Loading state */
.v2-advertisement-banner.loading {
    opacity: 0.6;
    pointer-events: none;
}

.v2-advertisement-banner.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Responsive */
@media (max-width: 768px) {
    .v2-ads-grid {
        grid-template-columns: 1fr;
    }
    
    .v2-advertisement-banner {
        aspect-ratio: 16 / 9;
    }
    
    .v2-ad-buy-text {
        font-size: var(--fs-12);
    }
    
    .v2-ad-buy-icon {
        font-size: var(--fs-24);
    }
}

/* Advertisement stats overlay (shown on hover for own ads in user dashboard) */
.v2-ad-stats-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    opacity: 0;
    transition: opacity var(--transition);
    backdrop-filter: blur(4px);
}

.v2-advertisement-banner:hover .v2-ad-stats-overlay {
    opacity: 1;
}

.v2-ad-stats-content {
    text-align: center;
    color: white;
}

.v2-ad-stats-number {
    font-size: var(--fs-24);
    font-weight: 700;
    display: block;
}

.v2-ad-stats-label {
    font-size: var(--fs-12);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Dark theme adjustments */
:root[data-theme="dark"] .v2-ad-buy-spot {
    color: var(--text-muted);
}

/* Light theme adjustments */
/* Background removed from .v2-advertisements - only placeholder grids have background */

:root[data-theme="light"] .v2-advertisement-banner {
    background: white;
    border-color: #e0e0e0;
}

:root[data-theme="light"] .v2-advertisement-banner.v2-ad-placeholder {
    background: #f5f7fb;
    border-color: #d0d8e8;
}

:root[data-theme="light"] .v2-ad-buy-text {
    color: #666;
}

/* ===== CHAT HOMEPAGE SECTION ===== */
.v2-chat-homepage-section {
    margin: var(--space-6) 0;
    padding: var(--space-4) 0;
}

.v2-chat-homepage-widget {
    background: var(--elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    max-width: 900px;
    margin: 0 auto;
}

.v2-chat-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.v2-chat-header h3 {
    font-size: var(--fs-24);
    font-weight: 700;
    color: var(--text);
    margin: 0 0 var(--space-2) 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.v2-chat-header h3 i {
    color: var(--primary);
}

.v2-chat-header .muted {
    font-size: var(--fs-14);
    margin: 0;
}

/* Embedded chat container */
.v2-chat-homepage-container {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.v2-chat-messages-embedded {
    padding: var(--space-4);
    min-height: 400px;
    max-height: 500px;
    overflow-y: auto;
    background: var(--surface);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    scrollbar-width: thin;
    scrollbar-color: var(--border) var(--surface);
}

.v2-chat-messages-embedded::-webkit-scrollbar {
    width: 8px;
}

.v2-chat-messages-embedded::-webkit-scrollbar-track {
    background: var(--surface);
}

.v2-chat-messages-embedded::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius: 4px;
}

.v2-chat-messages-embedded::-webkit-scrollbar-thumb:hover {
    background-color: var(--primary);
}

/* Ensure chat messages use the chat.css styles */
.v2-chat-messages-embedded .chat-message {
    /* Inherit from chat.css */
}

.v2-chat-messages-embedded .chat-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    color: var(--text-muted);
    font-size: var(--fs-14);
    min-height: 400px;
}

.v2-chat-messages-embedded .chat-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    color: var(--text-muted);
    font-size: var(--fs-14);
    min-height: 400px;
    text-align: center;
}

.v2-chat-messages-embedded .chat-empty-state i {
    font-size: var(--fs-32);
    opacity: 0.5;
}

.v2-chat-input-container {
    padding: var(--space-4);
    background: var(--elevated);
    border-top: 1px solid var(--border);
}

.v2-chat-input-form {
    display: flex;
    gap: var(--space-3);
    align-items: flex-end;
}

.v2-chat-input {
    flex: 1;
    padding: var(--space-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text);
    font-family: inherit;
    font-size: var(--fs-14);
    resize: none;
    min-height: 40px;
    max-height: 120px;
    transition: border-color var(--transition);
}

.v2-chat-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(88, 101, 242, 0.1);
}

.v2-chat-send-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--fs-14);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.v2-chat-send-btn:hover {
    background: var(--primary-dark, #4338ca);
    transform: translateY(-1px);
}

.v2-chat-send-btn:active {
    transform: translateY(0);
}

.v2-chat-homepage-login {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    text-align: center;
}

.v2-chat-login-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.v2-chat-login-message i {
    font-size: var(--fs-32);
    color: var(--text-muted);
}

.v2-chat-login-message p {
    margin: 0;
    color: var(--text-muted);
    font-size: var(--fs-14);
}

/* Responsive */
@media (max-width: 768px) {
    .v2-chat-homepage-widget {
        padding: var(--space-4);
    }
    
    .v2-chat-messages-embedded {
        min-height: 300px;
        max-height: 400px;
    }
    
    .v2-chat-send-btn span {
        display: none;
    }
    
    .v2-chat-send-btn {
        padding: var(--space-3);
    }
}