/* ======================================================================
 *  家庭火灾逃生图生成 /tool/fire-escape
 *  依赖 calc-common.css 变量与公共类，含打印样式，支持黑夜模式。
 * ====================================================================== */

/* ---------- 画笔调色板 ---------- */
.fe-palette {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}
.fe-palette button {
    padding: 8px 14px;
    border-radius: 11px;
    border: 1.5px solid var(--c-border);
    background: var(--c-surface-soft);
    color: var(--c-text-sub);
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
}
.fe-palette button:hover { border-color: var(--c-primary); color: var(--c-primary); }
.fe-palette button.is-active {
    background: linear-gradient(135deg, rgba(255, 138, 61, 0.16), rgba(255, 138, 61, 0.07));
    border-color: rgba(255, 138, 61, 0.6);
    color: #e06a1a;
}

/* ---------- 网格画布 ---------- */
.fe-grid {
    display: grid;
    gap: 2px;
    background: var(--c-border);
    border: 2px solid var(--c-border);
    border-radius: 12px;
    padding: 4px;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}
.fe-cell {
    aspect-ratio: 1 / 1;
    min-width: 0;
    border-radius: 4px;
    background: var(--c-surface-soft);
    display: grid;
    place-items: center;
    font-size: 15px;
    line-height: 1;
    cursor: crosshair;
    transition: background 0.1s ease;
}
.fe-v1 { background: #6b7280; }                                  /* 墙 */
.fe-v2 { background: rgba(52, 199, 89, 0.28); }                  /* 门 */
.fe-v3 { background: rgba(255, 59, 48, 0.3); }                   /* 火源 */
.fe-v4 { background: rgba(0, 150, 220, 0.3); }                   /* 我 */
.fe-route {
    background: rgba(52, 199, 89, 0.4);
    color: #166534;
    font-weight: 800;
    font-size: 13px;
}
.fe-canvas-wrap { margin-bottom: 14px; }

/* ---------- 按钮/消息 ---------- */
.fe-btns { display: flex; flex-wrap: wrap; gap: 10px; }
.fe-msg {
    margin-top: 12px;
    padding: 11px 14px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.65;
    animation: calcFade 0.25s ease;
}
.fe-msg.is-ok {
    background: rgba(52, 199, 89, 0.09);
    border: 1px solid rgba(52, 199, 89, 0.35);
    color: #1f9d43;
}
.fe-msg.is-bad {
    background: rgba(255, 59, 48, 0.07);
    border: 1px solid rgba(255, 59, 48, 0.32);
    color: #e0342b;
}

/* ---------- 右侧结果 ---------- */
.fe-detail-tag {
    display: inline-block;
    padding: 3px 14px;
    border-radius: 99px;
    background: rgba(255, 138, 61, 0.14);
    color: #e06a1a;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 12px;
}
.fe-route-hero {
    padding: 16px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(52, 199, 89, 0.12), rgba(0, 150, 220, 0.08));
    border: 1px solid rgba(52, 199, 89, 0.3);
    text-align: center;
    font-size: 20px;
    line-height: 1.7;
    margin-bottom: 14px;
}
.fe-route-hero b { color: #1f9d43; font-size: 30px; }
.fe-route-hero small { font-size: 13px; color: var(--c-text-sub); }

/* ---------- AI 顾问 ---------- */
.fe-ai {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px dashed var(--c-border);
}
.fe-ai h3 { font-size: 14.5px; font-weight: 800; color: var(--c-text); margin-bottom: 6px; }
.fe-ai textarea {
    width: 100%;
    margin: 10px 0 2px;
    padding: 11px 13px;
    border-radius: 12px;
    border: 1px solid var(--c-border);
    background: var(--c-surface-soft);
    color: var(--c-text);
    font-family: inherit;
    font-size: 13.5px;
    line-height: 1.7;
    resize: vertical;
    outline: none;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
.fe-ai textarea:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-soft); }
.fe-ai-list {
    margin: 0;
    padding-left: 0;
    list-style: none;
}
.fe-ai-list li {
    position: relative;
    padding: 6px 0 6px 26px;
    font-size: 13px;
    line-height: 1.75;
    color: var(--c-text);
}
.fe-ai-list li::before {
    content: '🔥';
    position: absolute;
    left: 0;
    top: 6px;
    font-size: 13px;
}

/* ================= 打印样式：只打印 #fePrint ================= */
#fePrint { display: none; }

@media print {
    @page { margin: 12mm; }
    body * { visibility: hidden !important; }
    #fePrint, #fePrint * { visibility: visible !important; }
    #fePrint {
        display: block !important;
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        color: #111 !important;
        font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    }
    #fePrint .fe-print-head h1 {
        font-size: 24px;
        font-weight: 800;
        margin: 0 0 4px;
        text-align: center;
    }
    #fePrint .fe-print-head p { text-align: center; font-size: 13px; margin: 0 0 14px; }
    #fePrint .fe-print-grid {
        display: grid;
        gap: 1px;
        border: 2px solid #333;
        width: 100%;
        max-width: 460px;
        margin: 0 auto 10px;
    }
    #fePrint .fe-pcell {
        aspect-ratio: 1 / 1;
        display: grid;
        place-items: center;
        font-size: 13px;
        border: 0.5px solid #ccc;
        background: #fff;
    }
    #fePrint .fe-v1 { background: #999 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    #fePrint .fe-v2 { background: #b8e6b8 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    #fePrint .fe-v3 { background: #ffb3ad !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    #fePrint .fe-v4 { background: #a8d8f0 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    #fePrint .fe-print-legend {
        text-align: center;
        font-size: 12px;
        margin-bottom: 12px;
    }
    #fePrint .fe-print-legend span { margin: 0 8px; }
    #fePrint .fe-print-form { font-size: 13px; line-height: 2; margin-bottom: 10px; }
    #fePrint .fe-print-check { font-size: 12.5px; line-height: 2; border-top: 1.5px dashed #999; padding-top: 8px; }
    #fePrint .fe-print-check h2 { font-size: 14px; margin: 0 0 4px; }
    #fePrint .fe-print-sign { font-size: 13px; margin-top: 10px; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
    .fe-palette button { padding: 7px 10px; font-size: 12px; }
    .fe-cell { font-size: 11px; }
    .fe-route { font-size: 10px; }
    .fe-btns .btn { flex: 1 1 45%; padding: 0 8px; font-size: 13px; }
    .fe-route-hero b { font-size: 24px; }
}

/* ---------- 黑夜模式 ---------- */
[data-theme="dark"] .fe-palette button { background: rgba(255, 255, 255, 0.04); }
[data-theme="dark"] .fe-palette button.is-active {
    background: rgba(255, 138, 61, 0.18);
    border-color: rgba(255, 138, 61, 0.55);
    color: #ffb84d;
}
[data-theme="dark"] .fe-v1 { background: #4b5563; }
[data-theme="dark"] .fe-route { background: rgba(52, 199, 89, 0.35); color: #86efac; }
[data-theme="dark"] .fe-detail-tag { background: rgba(255, 138, 61, 0.2); color: #ffb84d; }
[data-theme="dark"] .fe-route-hero {
    background: linear-gradient(135deg, rgba(52, 199, 89, 0.14), rgba(0, 150, 220, 0.12));
    border-color: rgba(52, 199, 89, 0.35);
}
[data-theme="dark"] .fe-route-hero b { color: #4ede78; }
[data-theme="dark"] .fe-msg.is-ok { background: rgba(52, 199, 89, 0.13); color: #4ede78; }
[data-theme="dark"] .fe-msg.is-bad { background: rgba(255, 59, 48, 0.13); color: #ff9a94; }
[data-theme="dark"] .fe-ai textarea { background: rgba(255, 255, 255, 0.04); }