/* AI Forum — public pages */
.ai-forum-page {
    --ai-forum-accent: #6366d4;
    --ai-forum-accent-soft: rgba(99, 102, 212, 0.12);
    --ai-forum-agent: #0ea5e9;
    --ai-forum-surface: #fff;
    --ai-forum-border: #e8eaf3;
    --ai-forum-muted: #6b7280;
}

.ai-forum-hero {
    background: linear-gradient(135deg, #4338ca 0%, #6366d4 45%, #818cf8 100%);
    padding: 2rem 1.5rem;
}

.ai-forum-hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 1.5rem;
    align-items: center;
}

.ai-forum-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.ai-forum-hero-points {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: grid;
    gap: 0.45rem;
}

.ai-forum-hero-points li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.95rem;
}

.ai-forum-hero-card {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 16px;
    padding: 1.25rem;
    backdrop-filter: blur(6px);
}

.ai-forum-hero-card h3 {
    color: #fff;
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.ai-forum-hero-card p {
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.92rem;
}

/* Hero CTA: beat .brand-page .brand-btn { color:#fff } so label stays visible */
.brand-page .ai-forum-hero .ai-forum-btn-light.brand-btn,
.brand-page .ai-forum-hero a.ai-forum-btn-light.brand-btn,
.brand-page .ai-forum-hero button.ai-forum-btn-light.brand-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    margin-top: 0.35rem;
    padding: 0.7rem 1.25rem;
    border-radius: 12px;
    background: #fff !important;
    border: 1px solid rgba(255, 255, 255, 0.9) !important;
    color: #4338ca !important;
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.18);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.brand-page .ai-forum-hero .ai-forum-btn-light.brand-btn:hover,
.brand-page .ai-forum-hero a.ai-forum-btn-light.brand-btn:hover,
.brand-page .ai-forum-hero button.ai-forum-btn-light.brand-btn:hover {
    background: #f8fafc !important;
    color: #3730a3 !important;
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.22);
    text-decoration: none;
}

.ai-forum-tabs .brand-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.ai-forum-category-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.ai-forum-category-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
}

.ai-forum-category-desc {
    color: var(--ai-forum-muted);
    margin: 0;
}

.ai-forum-category-agent {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background: var(--ai-forum-accent-soft);
    border: 1px solid var(--ai-forum-border);
    border-radius: 12px;
    padding: 0.55rem 0.75rem;
    min-width: 180px;
}

.ai-forum-category-agent img {
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #fff;
}

.ai-forum-agent-label {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ai-forum-muted);
}

.ai-forum-topic-list {
    display: grid;
    gap: 0.75rem;
}

.ai-forum-topic-card {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.1rem;
    background: var(--ai-forum-surface);
    border: 1px solid var(--ai-forum-border);
    border-radius: 14px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.ai-forum-topic-card:hover {
    border-color: #c7d2fe;
    box-shadow: 0 8px 24px rgba(99, 102, 212, 0.1);
    transform: translateY(-1px);
    color: inherit;
}

.ai-forum-topic-card h3 {
    font-size: 1.02rem;
    margin: 0 0 0.45rem;
    color: #1f2937;
}

.ai-forum-topic-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.84rem;
    color: var(--ai-forum-muted);
}

.ai-forum-topic-meta img {
    border-radius: 50%;
    object-fit: cover;
}

.ai-forum-dot {
    opacity: 0.6;
}

.ai-forum-topic-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    flex-shrink: 0;
}

.ai-forum-status {
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: 999px;
    padding: 0.2rem 0.55rem;
}

.ai-forum-status.open {
    background: #ecfdf5;
    color: #047857;
}

.ai-forum-status.answered {
    background: #eff6ff;
    color: #1d4ed8;
}

.ai-forum-status.closed {
    background: #f3f4f6;
    color: #6b7280;
}

.ai-forum-topic-agent-badge img {
    border-radius: 50%;
    border: 2px solid var(--ai-forum-accent-soft);
}

.ai-forum-empty {
    text-align: center;
    padding: 2.5rem 1rem;
}

.ai-forum-empty i {
    font-size: 2rem;
    color: var(--ai-forum-accent);
    display: block;
    margin-bottom: 0.75rem;
}

/* Create-topic modal (outside .brand-page — needs its own brand styles) */
#createTopicModal .modal-content.ai-forum-modal,
.ai-forum-modal.modal-content {
    --brand: #4a4cb8;
    --brand-hover: #3d3fa3;
    --brand-soft: rgba(74, 76, 184, 0.12);
    --brand-border: #e8eaf3;
    border: none;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(30, 27, 75, 0.28);
}

#createTopicModal .modal-header,
.ai-forum-modal .modal-header {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: none;
    background: linear-gradient(135deg, #4338ca 0%, #6366d4 100%);
    color: #fff;
    padding: 1.75rem 1.5rem 1.35rem;
}

#createTopicModal .ai-forum-modal-close,
.ai-forum-modal .ai-forum-modal-close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    z-index: 5;
    width: 38px;
    height: 38px;
    margin: 0;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    color: #fff !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    opacity: 1;
    box-shadow: none;
    appearance: none;
    -webkit-appearance: none;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

#createTopicModal .ai-forum-modal-close:hover,
#createTopicModal .ai-forum-modal-close:focus,
.ai-forum-modal .ai-forum-modal-close:hover,
.ai-forum-modal .ai-forum-modal-close:focus {
    background: rgba(255, 255, 255, 0.32);
    border-color: rgba(255, 255, 255, 0.55);
    color: #fff !important;
    outline: none;
    transform: scale(1.04);
}

#createTopicModal .ai-forum-modal-close i,
.ai-forum-modal .ai-forum-modal-close i {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1;
}

#createTopicModal .ai-forum-modal-icon,
.ai-forum-modal .ai-forum-modal-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.85rem;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.28);
    color: #fff;
    font-size: 1.45rem;
}

#createTopicModal .modal-title,
.ai-forum-modal .modal-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff !important;
    margin: 0 0 0.35rem;
}

#createTopicModal .ai-forum-modal-subtitle,
.ai-forum-modal .ai-forum-modal-subtitle {
    margin: 0;
    max-width: 34rem;
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.92rem;
    line-height: 1.45;
}

#createTopicModal .modal-body,
.ai-forum-modal .modal-body {
    display: block;
    padding: 1.4rem 1.4rem 0.65rem;
    background: #fff;
}

#createTopicModal .ai-forum-field,
.ai-forum-modal .ai-forum-field {
    display: block;
    width: 100%;
    clear: both;
    margin: 0 0 1.15rem;
}

#createTopicModal .ai-forum-field:last-of-type,
.ai-forum-modal .ai-forum-field:last-of-type {
    margin-bottom: 0.85rem;
}

#createTopicModal .form-label,
.ai-forum-modal .form-label {
    display: block;
    width: 100%;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 0.45rem;
}

#createTopicModal .form-control,
#createTopicModal .form-select,
.ai-forum-modal .form-control,
.ai-forum-modal .form-select {
    display: block;
    width: 100%;
    max-width: 100%;
    border: 1px solid #d8dce8;
    border-radius: 12px;
    padding: 0.75rem 0.95rem;
    font-size: 0.95rem;
    line-height: 1.4;
    color: #1f2937;
    background: #fff;
    box-shadow: none;
    box-sizing: border-box;
}

#createTopicModal textarea.form-control,
.ai-forum-modal textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

#createTopicModal .form-control:focus,
#createTopicModal .form-select:focus,
.ai-forum-modal .form-control:focus,
.ai-forum-modal .form-select:focus {
    border-color: #818cf8;
    box-shadow: 0 0 0 3px rgba(99, 102, 212, 0.2);
    outline: none;
}

#createTopicModal .modal-footer,
.ai-forum-modal .modal-footer {
    display: flex;
    flex-wrap: wrap;
    border: none;
    border-top: 1px solid var(--brand-border);
    background: #f8f9fc;
    gap: 0.75rem;
    padding: 1.05rem 1.4rem 1.3rem;
    justify-content: flex-end;
    align-items: center;
}

#createTopicModal .ai-forum-modal-btn,
.ai-forum-modal .ai-forum-modal-btn,
#createTopicModal button.ai-forum-modal-btn,
.ai-forum-modal button.ai-forum-modal-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-width: 132px;
    min-height: 44px;
    padding: 0.7rem 1.25rem !important;
    border-radius: 12px !important;
    font-size: 0.92rem !important;
    font-weight: 700 !important;
    line-height: 1.2;
    cursor: pointer;
    text-decoration: none !important;
    appearance: none;
    -webkit-appearance: none;
    box-sizing: border-box;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

#createTopicModal .ai-forum-modal-btn-primary,
.ai-forum-modal .ai-forum-modal-btn-primary,
#createTopicModal button.ai-forum-modal-btn-primary {
    background: #4a4cb8 !important;
    border: 1px solid #4a4cb8 !important;
    color: #fff !important;
    box-shadow: 0 6px 18px rgba(74, 76, 184, 0.32);
}

#createTopicModal .ai-forum-modal-btn-primary:hover,
.ai-forum-modal .ai-forum-modal-btn-primary:hover,
#createTopicModal button.ai-forum-modal-btn-primary:hover {
    background: #3d3fa3 !important;
    border-color: #3d3fa3 !important;
    color: #fff !important;
    transform: translateY(-1px);
}

#createTopicModal .ai-forum-modal-btn-secondary,
.ai-forum-modal .ai-forum-modal-btn-secondary,
#createTopicModal button.ai-forum-modal-btn-secondary {
    background: #fff !important;
    border: 1px solid #d8dce8 !important;
    color: #4a4cb8 !important;
    box-shadow: none;
}

#createTopicModal .ai-forum-modal-btn-secondary:hover,
.ai-forum-modal .ai-forum-modal-btn-secondary:hover,
#createTopicModal button.ai-forum-modal-btn-secondary:hover {
    background: rgba(74, 76, 184, 0.1) !important;
    border-color: #c7c9ef !important;
    color: #3d3fa3 !important;
}

#createTopicModal .ai-forum-modal-btn:disabled,
.ai-forum-modal .ai-forum-modal-btn:disabled {
    opacity: 0.72;
    cursor: wait;
    transform: none;
}

#createTopicModal .ai-forum-form-note,
.ai-forum-modal .ai-forum-form-note {
    display: flex;
    align-items: flex-start;
    gap: 0.45rem;
    font-size: 0.88rem;
    color: #6b7280;
    margin: 0.25rem 0 0;
    line-height: 1.45;
}

.ai-forum-form-error {
    color: #b91c1c;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 10px;
    padding: 0.6rem 0.75rem;
    font-size: 0.9rem;
    margin-top: 0.85rem;
}

@media (max-width: 575px) {
    #createTopicModal .modal-footer,
    .ai-forum-modal .modal-footer {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    #createTopicModal .ai-forum-modal-btn,
    .ai-forum-modal .ai-forum-modal-btn {
        width: 100%;
    }
}

/* Topic page */
.ai-forum-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.88rem;
    color: var(--ai-forum-muted);
    margin-bottom: 1rem;
}

.ai-forum-breadcrumb a {
    color: var(--ai-forum-accent);
    text-decoration: none;
}

.ai-forum-topic-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 1.25rem;
    align-items: start;
}

.ai-forum-thread-head h1 {
    font-size: 1.45rem;
    margin-bottom: 0.65rem;
}

.ai-forum-thread-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    color: var(--ai-forum-muted);
    font-size: 0.88rem;
}

.ai-forum-thread-meta img {
    border-radius: 50%;
    object-fit: cover;
}

.ai-forum-messages {
    display: grid;
    gap: 0.85rem;
    margin: 1rem 0;
}

.ai-forum-message {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 0.75rem;
    padding: 1rem;
    background: var(--ai-forum-surface);
    border: 1px solid var(--ai-forum-border);
    border-radius: 14px;
}

.ai-forum-message.is-agent {
    border-color: #bae6fd;
    background: linear-gradient(180deg, #f0f9ff 0%, #fff 100%);
}

.ai-forum-message-avatar {
    position: relative;
}

.ai-forum-message-avatar img {
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.ai-forum-agent-badge {
    position: absolute;
    right: -2px;
    bottom: -2px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--ai-forum-agent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    border: 2px solid #fff;
}

.ai-forum-message-body header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.45rem;
}

.ai-forum-message-body header time {
    color: var(--ai-forum-muted);
    font-size: 0.82rem;
    margin-left: auto;
}

.ai-forum-agent-tag {
    font-size: 0.72rem;
    background: #e0f2fe;
    color: #0369a1;
    border-radius: 999px;
    padding: 0.12rem 0.45rem;
    font-weight: 600;
}

.ai-forum-message-text {
    line-height: 1.55;
    color: #1f2937;
    word-break: break-word;
}

.ai-forum-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.65rem;
}

.ai-forum-attach-image img {
    max-width: 180px;
    max-height: 120px;
    border-radius: 10px;
    border: 1px solid var(--ai-forum-border);
    object-fit: cover;
}

.ai-forum-attach-file {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.6rem;
    background: #f8fafc;
    border: 1px solid var(--ai-forum-border);
    border-radius: 8px;
    font-size: 0.85rem;
    text-decoration: none;
    color: #334155;
}

.ai-forum-reply-tools {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.65rem;
}

.ai-forum-file-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.75rem;
    border: 1px dashed #cbd5e1;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.88rem;
    color: #475569;
    margin: 0;
}

.ai-forum-file-btn input {
    display: none;
}

.ai-forum-file-hint {
    font-size: 0.8rem;
    color: var(--ai-forum-muted);
}

.ai-forum-agent-panel {
    position: sticky;
    top: 1rem;
}

.ai-forum-agent-card-head {
    display: flex;
    gap: 0.85rem;
    align-items: center;
    margin-bottom: 0.85rem;
}

.ai-forum-agent-card-head img {
    border-radius: 16px;
    object-fit: cover;
    border: 3px solid var(--ai-forum-accent-soft);
}

.ai-forum-agent-card-head h3 {
    margin: 0;
    font-size: 1.1rem;
}

.ai-forum-agent-character {
    color: #374151;
    font-size: 0.92rem;
}

.ai-forum-agent-skills h4 {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ai-forum-muted);
    margin-bottom: 0.35rem;
}

.ai-forum-agent-skills p {
    font-size: 0.9rem;
    margin: 0;
    color: #374151;
}

.ai-forum-agent-note {
    font-size: 0.84rem;
    color: var(--ai-forum-muted);
    margin: 0.85rem 0 0;
    padding-top: 0.85rem;
    border-top: 1px solid var(--ai-forum-border);
}

.ai-forum-message.is-pending {
    opacity: 0.7;
}

@media (max-width: 991px) {
    .ai-forum-hero-grid {
        grid-template-columns: 1fr;
    }

    .ai-forum-topic-layout {
        grid-template-columns: 1fr;
    }

    .ai-forum-agent-panel {
        position: static;
        order: -1;
    }

    .ai-forum-category-head {
        flex-direction: column;
    }
}

@media (max-width: 575px) {
    .ai-forum-topic-card {
        flex-direction: column;
    }

    .ai-forum-topic-side {
        flex-direction: row;
        align-items: center;
    }

    .ai-forum-message {
        grid-template-columns: 40px minmax(0, 1fr);
    }

    .ai-forum-message-avatar img {
        width: 36px;
        height: 36px;
    }
}