body { background-color: var(--bg-body); color: var(--text-main); font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; transition: all 0.3s ease; overflow-x: hidden; }

/* 隐藏 number input 的 spinner */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] {
    -moz-appearance: textfield;
}

/* 布局调整：更紧凑 */
.sidebar { width: 230px; background: var(--bg-sidebar); border-right: 1px solid var(--border-color); height: 100vh; position: fixed; top: 0; left: 0; padding-top: 20px; z-index: 1000; display: flex; flex-direction: column; }
.main-content { margin-left: 230px; padding: 25px; } /* 减少 padding */

.sidebar-logo { height: 28px; width: auto; object-fit: contain; } /* Logo 稍微调小 */

/* 卡片：更紧凑的 Padding */
.widget-card { background: var(--bg-card); border-radius: 12px; padding: 15px; border: 1px solid var(--border-color); height: 100%; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); }
.widget-title { font-size: 0.8rem; color: var(--text-hint); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px; font-weight: 700; display: flex; align-items: center; gap: 8px; }

/* 时钟盒子：更紧凑 */
.clock-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.clock-box { text-align: center; padding: 12px 4px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 8px; position: relative; transition: all 0.3s; }
.clock-box.active-zone { border-color: var(--accent-color); box-shadow: 0 0 10px rgba(59, 130, 246, 0.15); border-width: 1px; }

.time-display { font-size: 1.4rem; font-weight: 700; color: var(--text-main); margin: 2px 0; font-variant-numeric: tabular-nums; }
.date-display { font-size: 0.7rem; color: var(--text-muted); opacity: 0.9; }
.date-diff { font-size: 0.65rem; font-weight: bold; margin-left: 4px; padding: 1px 3px; border-radius: 3px; }
.diff-plus { color: #f87171; background: rgba(248, 113, 113, 0.1); }
.diff-minus { color: #60a5fa; background: rgba(96, 165, 250, 0.1); }
.zone-label { font-size: 0.65rem; font-weight: 700; color: var(--text-hint); display: block; text-transform: uppercase; }
.day-night-icon { position: absolute; top: 6px; right: 8px; font-size: 0.75rem; }

/* 输入框 */
.form-control { background-color: var(--bg-input); border: 1px solid var(--border-color); color: var(--text-main) !important; font-weight: 500; font-size: 0.9rem; padding: 0.4rem 0.75rem; }
.form-control:focus { background-color: var(--bg-input); color: var(--text-main) !important; border-color: var(--accent-color); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2); z-index: 2; }
.form-control::placeholder { color: var(--text-hint); opacity: 0.6; } 
.input-group-text { background-color: var(--bg-sidebar); color: var(--text-muted); border-color: var(--border-color); font-weight: 600; font-size: 0.85rem; }
input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

/* WMS 按钮 */
.wms-btn { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: white !important; border: none; padding: 0 20px; border-radius: 10px; text-decoration: none; display: flex; align-items: center; justify-content: space-between; transition: transform 0.2s; position: relative; overflow: hidden; height: 100%; }
.wms-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.4); }

/* 历史记录 */
.tracking-tag { position: relative; cursor: pointer; background: var(--bg-input); border: 1px solid var(--border-color); color: var(--text-muted); padding: 1px 10px; border-radius: 4px; font-size: 0.7rem; transition: 0.2s; display: inline-flex; align-items: center; }
.tracking-tag:hover { border-color: var(--accent-color); color: var(--accent-color); }
.delete-tag { position: absolute; top: -6px; right: -6px; background: var(--danger-red); color: white; width: 14px; height: 14px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 9px; opacity: 0; transform: scale(0.5); transition: 0.2s; box-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.tracking-tag:hover .delete-tag { opacity: 1; transform: scale(1); }

/* 滑块：PC端更小，移动端保持易操作 */
.meeting-control { background: var(--bg-input); padding: 12px 15px; border-radius: 12px; border: 1px solid var(--border-color); margin-bottom: 20px; transition: all 0.3s; }

/* 核心逻辑：默认隐藏滑块容器 */
.slider-container-box {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: 0;
}
.slider-container-box.show {
    max-height: 80px; /* 展开高度 */
    opacity: 1;
    margin-top: 15px;
}

.slider-wrapper { position: relative; padding-top: 32px; padding-bottom: 32px; }
.slider-labels { position: absolute; top: 0; left: 10px; right: 10px; width: calc(100% - 20px); pointer-events: none; }
.slider-tick { position: absolute; top: 0; transform: translateX(-50%); font-size: 0.6rem; color: var(--text-hint); font-weight: 600; border-left: 1px solid var(--border-color); height: 18px; padding-left: 4px; white-space: nowrap; }
.slider-tick:first-child { left: 0; transform: translateX(0); border-left: none; padding-left: 0; }
.slider-tick:last-child { left: 100%; transform: translateX(-100%); }

.slider-thumb-time { position: absolute; bottom: -26px; transform: translateX(-50%); font-size: 0.85rem; color: white; font-weight: 700; background: var(--accent-color); padding: 4px 10px; border-radius: 6px; white-space: nowrap; pointer-events: none; transition: left 0.05s ease-out; box-shadow: 0 4px 8px rgba(59, 130, 246, 0.4); z-index: 10; }

input[type=range] { -webkit-appearance: none; width: calc(100% - 20px); margin: 0 10px; background: transparent; cursor: pointer; height: 20px; }
input[type=range]:focus { outline: none; }
input[type=range]::-webkit-slider-runnable-track { width: 100%; height: 6px; cursor: pointer; background: var(--border-color); border-radius: 3px; }
/* PC端手柄稍微小一点 */
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; height: 20px; width: 20px; border-radius: 50%; background: var(--accent-color); cursor: pointer; margin-top: -7px; box-shadow: 0 2px 4px rgba(0,0,0,0.3); border: 2px solid var(--bg-card); transition: transform 0.1s; }
input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.1); }
/* 移动端适配：手柄变大 */
@media (max-width: 768px) {
    input[type=range]::-webkit-slider-thumb { height: 28px; width: 28px; margin-top: -11px; }
    .meeting-control > div:first-child { flex-direction: column; align-items: flex-start !important; }
    .meeting-control .d-flex.gap-4 { flex-wrap: wrap; gap: 0.5rem !important; width: 100%; }
    .meeting-control .form-check { flex: 0 0 auto; }
    .meeting-control .d-flex.gap-2 { flex: 1 1 auto; min-width: 0; }
    .slider-thumb-time { font-size: 0.8rem; padding: 3px 8px; }
}

.convert-arrow { color: var(--text-hint); font-size: 1rem; padding: 6px 0; display: block; text-align: center; opacity: 0.6; transition: all 0.3s ease; }
.convert-arrow:hover { color: var(--accent-color); opacity: 1; transform: scale(1.1); }

/* 按钮与导航 */
.vol-btn-group { display: flex; gap: 8px; width: 100%; }
.formula-btn { text-align: center; padding: 6px 4px; border: 1px solid var(--border-color); background: var(--bg-input); color: var(--text-muted); cursor: pointer; border-radius: 8px; transition: 0.2s; display: flex; flex-direction: column; justify-content: center; align-items: center; height: auto; min-height: 55px; }
.formula-btn:hover { background: var(--bg-sidebar); border-color: var(--text-muted); }
.formula-btn.active { background: var(--accent-color); color: white; border-color: var(--accent-color); font-weight: bold; }
.formula-btn.main-opt { flex: 2; } 
.formula-btn.sub-opt { flex: 1; }

.nav-link-custom { color: var(--text-hint); padding: 10px 18px; display: flex; align-items: center; text-decoration: none; transition: 0.2s; font-size: 0.85rem; }
.nav-link-custom:hover, .nav-link-custom.active { color: var(--text-main); background: rgba(255,255,255,0.05); border-right: 3px solid var(--accent-color); }
.nav-link-custom i { width: 20px; text-align: center; margin-right: 10px; font-size: 0.95rem; }

.form-select-sm-custom { background-color: var(--bg-card); color: var(--text-main); border: 1px solid var(--border-color); font-size: 0.75rem; padding: 2px 22px 2px 8px; border-radius: 6px; cursor: pointer; outline: none; }
.version-tag { margin-top: auto; padding: 15px; font-size: 0.65rem; color: var(--text-hint); text-align: center; opacity: 0.5; font-family: monospace; }

/* === 新增：天气胶囊样式 === */
.weather-widget {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    margin-left: 15px;
    height: 32px;
    min-width: 240px; /* 固定最小宽度，防止抖动 */
    font-size: 0.8rem;
    color: var(--text-muted);
    /* 移除之前的 opacity: 0 和 animation, 既然要预占位，就不能隐藏 */
    /* opacity: 0; */
    /* animation: fadeIn 1s ease forwards; */
}
/* 骨架屏加载状态 */
.weather-widget.loading .weather-loc,
.weather-widget.loading .weather-temp,
.weather-widget.loading .weather-tip {
    background-color: var(--border-color);
    color: transparent;
    border-radius: 4px;
    min-width: 40px;
    animation: pulse 1.5s infinite ease-in-out;
}
.weather-widget.loading .weather-icon {
    opacity: 0.2;
}
@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

/* @keyframes fadeIn { to { opacity: 1; } } */
.weather-icon { font-size: 1rem; margin-right: 8px; color: var(--clock-day); }
.weather-loc { font-weight: 700; margin-right: 8px; color: var(--text-main); }
.weather-temp { margin-right: 8px; font-family: monospace; }
.weather-tip { color: var(--accent-color); font-size: 0.75rem; }

.mobile-menu-toggle { display: none; position: fixed; top: 15px; left: 15px; z-index: 1100; background: var(--accent-color); color: white; border: none; border-radius: 8px; width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer; box-shadow: 0 4px 8px rgba(0,0,0,0.3); }
.sidebar.mobile-open { transform: translateX(0) !important; box-shadow: 4px 0 12px rgba(0,0,0,0.3); }
.sidebar-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 999; }
.sidebar-overlay.active { display: block; }

@media (max-width: 768px) { 
    .mobile-menu-toggle { display: flex; }
    .sidebar { transform: translateX(-100%); transition: transform 0.3s ease; } 
    .main-content { margin-left: 0; padding: 15px; padding-top: 70px; }
    .header-group { flex-direction: column; align-items: flex-start; gap: 10px; }
    .weather-widget { margin-left: 0; margin-top: 5px; }
}