/**
 * layout.css - 野钓计算器特定布局
 * 扁平风格
 */

.fc-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 16px;
}

/* ===== 头部 ===== */
.fc-header {
    text-align: center;
    margin-bottom: 24px;
}
.fc-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--tool-text);
    margin-bottom: 8px;
}
.fc-header p {
    font-size: 14px;
    color: var(--tool-text-muted);
}

/* ===== 主网格 ===== */
.fc-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
    align-items: start;
}

/* ===== 卡片 ===== */
.fc-card {
    background: var(--tool-bg);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-lg);
    padding: 20px;
    margin-bottom: 16px;
}
.fc-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--tool-text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.fc-card-title i { color: var(--tool-primary); }

/* ===== 表单 ===== */
.fc-form-group { margin-bottom: 14px; }
.fc-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--tool-text-secondary);
    margin-bottom: 8px;
}
.fc-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--tool-input-border);
    border-radius: var(--tool-radius);
    font-size: 14px;
    background: var(--tool-bg);
    color: var(--tool-text);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
}
.fc-input:focus {
    border-color: var(--tool-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

/* ===== 城市搜索 ===== */
.fc-city-search {
    display: flex;
    gap: 8px;
    position: relative;
}
.fc-city-search .fc-input { flex: 1; }
.fc-city-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--tool-bg);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius);
    margin-top: 4px;
    max-height: 240px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.fc-city-item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13px;
    color: var(--tool-text-secondary);
    border-bottom: 1px solid var(--tool-border-light);
    transition: background 0.15s;
}
.fc-city-item:hover {
    background: var(--tool-primary-light);
    color: var(--tool-primary);
}
.fc-city-item:last-child { border-bottom: none; }
.fc-city-item .city-name { font-weight: 600; color: var(--tool-text); }
.fc-city-item .city-area { font-size: 12px; color: var(--tool-text-muted); }

/* ===== 天气信息 ===== */
.fc-weather-info {
    background: var(--tool-bg-secondary);
    border-radius: var(--tool-radius);
    padding: 12px 14px;
    margin-top: 12px;
}
.fc-weather-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    font-size: 13px;
}
.fc-weather-label {
    color: var(--tool-text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.fc-weather-value {
    font-weight: 600;
    color: var(--tool-text);
}

/* ===== 鱼种选择 ===== */
.fc-fish-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}
.fc-fish-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 12px 6px;
    border: 1px solid var(--tool-input-border);
    border-radius: var(--tool-radius);
    background: var(--tool-bg);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 12px;
    color: var(--tool-text-secondary);
}
.fc-fish-btn i { font-size: 18px; color: var(--tool-text-muted); }
.fc-fish-btn:hover {
    border-color: var(--tool-primary);
    color: var(--tool-primary);
}
.fc-fish-btn:hover i { color: var(--tool-primary); }
.fc-fish-btn.active {
    border-color: var(--tool-primary);
    background: var(--tool-primary-light);
    color: var(--tool-primary);
}
.fc-fish-btn.active i { color: var(--tool-primary); }

/* ===== 按钮 ===== */
.fc-btn {
    padding: 11px 20px;
    border-radius: var(--tool-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
}
.fc-btn-primary {
    background: var(--tool-primary);
    color: #fff;
}
.fc-btn-primary:hover { background: var(--tool-primary-dark); }
.fc-btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.fc-btn-sm { padding: 8px 14px; font-size: 13px; }
.fc-btn-lg {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    margin-bottom: 16px;
}

/* ===== 结果区 ===== */
.fc-result-col { position: sticky; top: 20px; }

.fc-result-placeholder {
    background: var(--tool-bg);
    border: 1px dashed var(--tool-input-border);
    border-radius: var(--tool-radius-lg);
    padding: 60px 20px;
    text-align: center;
    color: var(--tool-text-muted);
}
.fc-result-placeholder i {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--tool-input-border);
}
.fc-result-placeholder p {
    font-size: 14px;
    margin-bottom: 6px;
}
.fc-hint { font-size: 12px !important; color: var(--tool-text-muted) !important; }

/* 适钓指数 */
.fc-score-card {
    background: linear-gradient(135deg, var(--tool-primary), var(--tool-primary-dark));
    border-radius: var(--tool-radius-lg);
    padding: 20px;
    color: #fff;
    margin-bottom: 16px;
}
.fc-score-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.fc-score-title { font-size: 14px; opacity: 0.9; }
.fc-score-stars { font-size: 20px; letter-spacing: 2px; }
.fc-score-desc { font-size: 13px; opacity: 0.95; line-height: 1.6; }

/* 结果卡片 */
.fc-result-card {
    background: var(--tool-bg);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-lg);
    padding: 18px 20px;
    margin-bottom: 14px;
}
.fc-result-card h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--tool-text);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.fc-result-card h4 i { color: var(--tool-primary); }

.fc-result-list {
    font-size: 13px;
    color: var(--tool-text-secondary);
    line-height: 1.8;
}
.fc-result-list .result-item {
    display: flex;
    padding: 4px 0;
}
.fc-result-list .result-label {
    font-weight: 600;
    color: var(--tool-text);
    min-width: 70px;
    flex-shrink: 0;
}

/* 装备表格 */
.fc-equip-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.fc-equip-table th {
    text-align: left;
    padding: 8px 10px;
    background: var(--tool-bg-secondary);
    color: var(--tool-text-secondary);
    font-weight: 600;
    border-bottom: 2px solid var(--tool-border);
}
.fc-equip-table td {
    padding: 10px;
    border-bottom: 1px solid var(--tool-border-light);
    color: var(--tool-text-secondary);
    vertical-align: top;
}
.fc-equip-table td:first-child {
    font-weight: 600;
    color: var(--tool-text);
    white-space: nowrap;
}
.fc-equip-table tr:last-child td { border-bottom: none; }

/* 饵料 */
.fc-bait-info {
    font-size: 13px;
    color: var(--tool-text-secondary);
    line-height: 1.8;
}
.fc-bait-info .bait-main {
    font-size: 15px;
    font-weight: 700;
    color: var(--tool-text);
    margin-bottom: 8px;
}
.fc-bait-info .bait-ratio {
    display: inline-block;
    padding: 2px 8px;
    background: var(--tool-primary-light);
    color: var(--tool-primary);
    border-radius: var(--tool-radius-sm);
    font-size: 12px;
    font-weight: 600;
    margin-right: 6px;
}

/* 注意事项 */
.fc-warning-card {
    background: var(--tool-warning-light);
    border-color: var(--tool-warning);
}
.fc-warning-card h4 { color: var(--tool-warning-dark); }
.fc-warning-card h4 i { color: var(--tool-warning-dark); }
.fc-tips-list {
    margin: 0;
    padding-left: 18px;
    font-size: 13px;
    color: var(--tool-warning-dark);
    line-height: 1.8;
}
.fc-tips-list li { margin-bottom: 4px; }

/* ===== 标签页 ===== */
.fc-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    background: var(--tool-bg-secondary);
    padding: 6px;
    border-radius: var(--tool-radius-lg);
}
.fc-tab {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    border-radius: var(--tool-radius);
    font-size: 14px;
    font-weight: 600;
    color: var(--tool-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.fc-tab:hover { color: var(--tool-primary); }
.fc-tab.active {
    background: var(--tool-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(37,99,235,0.25);
}
.fc-tab-panel { display: none; }
.fc-tab-panel.active { display: block; }

/* ===== 知识科普页 ===== */
.fc-knowledge-intro {
    text-align: center;
    padding: 24px 20px;
    background: linear-gradient(135deg, var(--tool-primary), var(--tool-primary-dark));
    border-radius: var(--tool-radius-lg);
    color: #fff;
    margin-bottom: 20px;
}
.fc-knowledge-intro i { font-size: 32px; margin-bottom: 10px; display: block; }
.fc-knowledge-intro h3 { font-size: 18px; margin-bottom: 6px; }
.fc-knowledge-intro p { font-size: 13px; opacity: 0.9; }

/* 折叠面板 */
.fc-accordion { display: flex; flex-direction: column; gap: 10px; }
.fc-acc-item {
    background: var(--tool-bg);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-lg);
    overflow: hidden;
    transition: box-shadow 0.2s;
}
.fc-acc-item.open { box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.fc-acc-header {
    padding: 16px 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--tool-text);
    user-select: none;
    transition: background 0.15s;
}
.fc-acc-header:hover { background: var(--tool-bg-secondary); }
.fc-acc-header i:first-child { color: var(--tool-primary); width: 20px; text-align: center; }
.fc-acc-arrow {
    margin-left: auto;
    font-size: 12px;
    color: var(--tool-text-muted);
    transition: transform 0.3s;
}
.fc-acc-item.open .fc-acc-arrow { transform: rotate(180deg); }
.fc-acc-body {
    max-height: 0;
    overflow: hidden;
    padding: 0 18px;
    font-size: 13px;
    color: var(--tool-text-secondary);
    line-height: 1.8;
    transition: max-height 0.35s ease, padding 0.35s ease;
}
.fc-acc-item.open .fc-acc-body {
    max-height: 3000px;
    padding: 0 18px 18px;
}
.fc-acc-body h5 {
    font-size: 14px;
    font-weight: 700;
    color: var(--tool-text);
    margin: 14px 0 8px;
    padding-left: 8px;
    border-left: 3px solid var(--tool-primary);
}
.fc-acc-body h5:first-child { margin-top: 0; }
.fc-acc-body p { margin-bottom: 8px; }
.fc-acc-body ul {
    margin: 0 0 10px;
    padding-left: 18px;
}
.fc-acc-body li { margin-bottom: 4px; }
.fc-acc-body strong { color: var(--tool-text); }

/* 知识表格 */
.fc-know-table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0;
    font-size: 12px;
}
.fc-know-table th {
    background: var(--tool-bg-secondary);
    padding: 8px 10px;
    text-align: left;
    font-weight: 600;
    color: var(--tool-text);
    border-bottom: 2px solid var(--tool-border);
}
.fc-know-table td {
    padding: 7px 10px;
    border-bottom: 1px solid var(--tool-border-light);
    color: var(--tool-text-secondary);
}

/* ===== 底部 ===== */
.fc-footer {
    text-align: center;
    padding: 24px 0;
    font-size: 12px;
    color: var(--tool-text-muted);
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
    .fc-grid { grid-template-columns: 1fr; }
    .fc-result-col { position: static; }
}

/* ===== 手机端深度优化（≤640px） ===== */
@media (max-width: 640px) {
    .fc-container { padding: 12px 10px; }
    .fc-header h1 { font-size: 20px; }
    .fc-header p { font-size: 12px; }

    .fc-card { padding: 14px; margin-bottom: 12px; }
    .fc-card-title { font-size: 15px; margin-bottom: 12px; }

    .fc-form-group { margin-bottom: 12px; }
    .fc-form-group label { font-size: 12px; margin-bottom: 6px; }
    .fc-input { padding: 12px; font-size: 15px; } /* 15px防止iOS自动缩放 */

    /* 城市搜索下拉：全宽 */
    .fc-city-list { left: 0; right: 0; max-height: 200px; }
    .fc-city-item { padding: 12px 14px; font-size: 14px; }

    /* 天气信息 */
    .fc-weather-info { padding: 10px 12px; }
    .fc-weather-row { font-size: 12px; padding: 4px 0; }

    /* 鱼种按钮：3列，加大触摸区域 */
    .fc-fish-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
    .fc-fish-btn { padding: 14px 4px; font-size: 13px; min-height: 56px; }
    .fc-fish-btn i { font-size: 20px; }

    /* 计算按钮 */
    .fc-btn-lg { padding: 16px; font-size: 16px; }

    /* 适钓指数 */
    .fc-score-card { padding: 16px; }
    .fc-score-stars { font-size: 18px; }
    .fc-score-desc { font-size: 12px; }

    /* 结果卡片 */
    .fc-result-card { padding: 14px; margin-bottom: 10px; }
    .fc-result-card h4 { font-size: 14px; margin-bottom: 10px; }

    /* 装备表格：手机端改卡片式 */
    .fc-equip-table thead { display: none; }
    .fc-equip-table, .fc-equip-table tbody, .fc-equip-table tr, .fc-equip-table td {
        display: block; width: 100%;
    }
    .fc-equip-table tr {
        padding: 10px 0;
        border-bottom: 1px solid var(--tool-border-light);
    }
    .fc-equip-table tr:last-child { border-bottom: none; }
    .fc-equip-table td {
        border: none;
        padding: 3px 0;
        font-size: 13px;
    }
    .fc-equip-table td:first-child {
        font-size: 12px;
        color: var(--tool-primary);
        font-weight: 700;
    }
    .fc-equip-table td:nth-child(2) {
        font-size: 15px;
        font-weight: 600;
        color: var(--tool-text);
    }
    .fc-equip-table td:nth-child(3) {
        font-size: 12px;
        color: var(--tool-text-muted);
        line-height: 1.5;
    }

    /* 饵料 */
    .fc-bait-info { font-size: 13px; }
    .fc-bait-info .bait-main { font-size: 16px; }

    /* 注意事项 */
    .fc-tips-list { font-size: 12px; padding-left: 16px; }

    /* 钓位建议 */
    .fc-result-list { font-size: 13px; }
    .fc-result-list .result-label { min-width: 56px; font-size: 12px; }

    /* 标签页 */
    .fc-tab { padding: 10px 12px; font-size: 13px; }
    .fc-tabs { gap: 4px; padding: 4px; }

    /* 知识页 */
    .fc-knowledge-intro { padding: 20px 16px; }
    .fc-knowledge-intro h3 { font-size: 16px; }
    .fc-knowledge-intro p { font-size: 12px; }
    .fc-acc-header { padding: 14px 16px; font-size: 14px; }
    .fc-acc-body { padding: 0 16px; font-size: 12px; }
    .fc-acc-item.open .fc-acc-body { padding: 0 16px 16px; }
    .fc-acc-body h5 { font-size: 13px; }
    .fc-know-table { font-size: 11px; }
    .fc-know-table th, .fc-know-table td { padding: 6px 8px; }

    /* 占位符 */
    .fc-result-placeholder { padding: 40px 16px; }
    .fc-result-placeholder i { font-size: 36px; }
    .fc-result-placeholder p { font-size: 13px; }
}

/* 超小屏（≤380px） */
@media (max-width: 380px) {
    .fc-fish-grid { grid-template-columns: repeat(2, 1fr); }
    .fc-header h1 { font-size: 18px; }
}