.ai-analysis-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1100;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

.ai-analysis-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.ai-analysis-content {
    position: relative;
    width: min(720px, 100%);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    background: var(--paper-color);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-float);
    overflow: hidden;
}

.ai-analysis-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--line-color);
}

.ai-analysis-header h3 {
    margin: 0;
    font-size: 16px;
    color: var(--text-color);
}

.ai-analysis-close {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line-color);
    border-radius: var(--radius-pill);
    background: var(--control-bg);
    font-size: 20px;
    cursor: pointer;
    color: var(--muted-color);
    transition: color 0.2s;
}

.ai-analysis-close:hover {
    color: var(--primary-color);
}

.ai-analysis-body {
    padding: 16px 20px;
    overflow-y: auto;
    flex: 1;
}

.ai-analysis-hint {
    font-size: 13px;
    color: var(--muted-color);
    margin: 0 0 10px;
}

.ai-prompt-textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 13px;
    line-height: 1.6;
    resize: vertical;
    background: var(--input-bg);
    color: var(--text-color);
    box-sizing: border-box;
}

.ai-analysis-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 12px 20px;
    border-top: 1px solid var(--line-color);
}

.ai-copy-status {
    font-size: 13px;
    color: var(--primary-color);
    opacity: 0;
    transition: opacity 0.2s;
}

.ai-copy-status.visible {
    opacity: 1;
}

.ai-copy-btn {
    padding: 8px 18px;
    font-size: 14px;
}

@media (max-width: 860px) {
    header {
        padding: 0 14px;
    }

    .nav-container {
        height: auto;
        min-height: 60px;
        padding: 10px 0;
        align-items: flex-start;
        flex-wrap: wrap;
        gap: 10px 14px;
    }

    .logo a {
        gap: 7px;
        font-size: 20px;
    }

    .logo a::before {
        width: 30px;
        height: 30px;
        font-size: 16px;
    }

    .nav-actions {
        gap: 8px;
    }

    .login-trigger {
        min-width: 52px;
        padding: 0 10px;
    }

    nav {
        order: 3;
        flex-basis: 100%;
        margin-left: 0;
    }

    nav ul {
        gap: 10px 14px;
        flex-wrap: wrap;
    }

    main {
        margin: 22px auto;
        padding: 0 14px;
    }

    .card {
        padding: 24px 18px;
    }
}