/* components.css - iOS 风组件（深度模仿 BMS Pro v19.8.0） */

/* ============== 顶部连接状态条 ============== */
.conn-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 14px 16px;
}
@media (max-width: 768px) {
    .conn-bar { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}
@media (max-width: 480px) {
    .conn-bar { grid-template-columns: 1fr; gap: 8px; }
}
.conn-item {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}
.conn-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 8px currentColor;
}
.conn-dot.online { background: var(--green); color: var(--green); }
.conn-dot.warning { background: var(--orange); color: var(--orange); }
.conn-dot.warning.pulse { animation: pulse 2.4s ease-in-out infinite; }
.conn-dot.offline { background: var(--subtle); color: var(--subtle); box-shadow: none; }
.conn-info { min-width: 0; flex: 1; }

/* ============== 中继状态条（单列 conn-item） ============== */
.relay-status-bar {
    display: flex;
    align-items: center;
    padding: 10px 16px 0;
}
.relay-status-bar .conn-item {
    flex: 1;
}

/* ============== 提示文字（卡片底部说明） ============== */
.pw-hint {
    font-size: 11px;
    color: var(--muted);
    line-height: 1.5;
    margin-top: 4px;
}
.conn-label {
    font-size: 11px;
    color: var(--muted);
    font-weight: 540;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 2px;
}
.conn-val {
    font-size: 14px;
    color: var(--ink);
    font-weight: 600;
    word-break: break-all;
}
@media (max-width: 480px) {
    .conn-val { font-size: 12px; }
    .conn-dot { width: 8px; height: 8px; }
    .conn-item { gap: 6px; }
}
/* BLE 名称（大字）+ MAC（小字）分行显示 */
.ble-name {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
}
.ble-mac {
    font-size: 11px;
    font-weight: 500;
    color: var(--muted);
    margin-top: 2px;
}

/* ============== 卡片（毛玻璃） ============== */
.card {
    background:
        var(--glass-gradient),
        var(--surface);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 0;
    border-radius: var(--radius-xl);
    padding: 14px 16px 14px;
    margin-bottom: 0;
    box-shadow: var(--hairline), var(--soft-shadow);
    overflow: hidden;
    -webkit-mask-image: -webkit-radial-gradient(white, black);
}
.card-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    padding: 0 0 10px;
    font-size: 14px;
    font-weight: 650;
    color: var(--ink);
    letter-spacing: 0;
}
.card-title > span:first-child {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.card-title > span:first-child::before {
    content: '';
    width: 3px;
    height: 14px;
    background: var(--blue);
    border-radius: var(--radius-full);
}
.card-sub {
    font-size: 11px;
    color: var(--muted);
    font-weight: 540;
    letter-spacing: 0;
}

/* ============== Hero 概览卡 ============== */
.hero-card {
    min-height: 168px;
    padding: 14px;
    border-radius: var(--radius-2xl);
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    align-items: stretch;
    background:
        linear-gradient(135deg, rgba(var(--blue-rgb), 0.92), rgba(var(--blue-rgb), 0.78)),
        var(--blue);
    color: #fff;
    border: 0;
    box-shadow: 0 16px 36px rgba(var(--blue-rgb), 0.28);
    overflow: hidden;
    position: relative;
    /* 修复 WebKit/Blink 下 overflow:hidden + gradient 不裁剪 border-radius 的 bug */
    -webkit-mask-image: -webkit-radial-gradient(white, black);
    isolation: isolate;
}
.hero-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.24), transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(0, 0, 0, 0.08), transparent 50%);
    pointer-events: none;
}
.hero-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
    flex-wrap: wrap;
    gap: 8px;
    position: relative;
    z-index: 1;
}
.hero-status {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.hero-protocol { display: flex; align-items: center; }
.hero-main {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}
.hero-metric {
    text-align: center;
    padding: 8px 4px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}
.metric-label {
    font-size: 10px;
    font-weight: 600;
    opacity: 0.86;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.metric-value {
    font-family: var(--font-mono);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.metric-unit {
    font-size: 11px;
    font-weight: 500;
    opacity: 0.7;
    margin-left: 2px;
}
.hero-progress {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    z-index: 1;
}
.progress-row { display: flex; flex-direction: column; gap: 4px; }
.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
    opacity: 0.94;
    letter-spacing: 0.02em;
}
.progress-label b { font-family: var(--font-mono); font-size: 14px; font-weight: 700; }
.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.22);
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}
.progress-fill {
    height: 100%;
    background: #fff;
    border-radius: var(--radius-full);
    transition: width 600ms cubic-bezier(0.4, 0, 0.2, 1), background-color 300ms ease;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
}
.progress-fill.soh { background: rgba(255, 255, 255, 0.78); }
.progress-fill.low { background: rgba(255, 55, 95, 0.96); }
.progress-fill.mid { background: rgba(255, 159, 10, 0.96); }
.progress-fill.high { background: rgba(74, 222, 128, 0.96); }

/* ============== 状态标签（胶囊） ============== */
.status-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 650;
    background: rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.96);
    letter-spacing: 0.02em;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}
.status-tag.idle { background: rgba(148, 163, 184, 0.24); }
.status-tag.charge, .status-tag.balancer.on { background: rgba(34, 197, 94, 0.32); color: #fff; }
.status-tag.discharge { background: rgba(255, 159, 10, 0.32); color: #fff; }
.status-tag.standby { background: rgba(6, 182, 212, 0.28); color: #fff; }
.status-tag.fault { background: rgba(239, 68, 68, 0.36); color: #fff; }
.status-tag.on { background: rgba(34, 197, 94, 0.36); color: #fff; }
.status-tag.off { background: rgba(148, 163, 184, 0.22); opacity: 0.84; }

/* 协议徽标 */
.protocol-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.06em;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22);
}
.protocol-badge.ant { background: rgba(255, 255, 255, 0.22); color: #fff; }

/* ============== 信息网格（白底） ============== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 14px;
}
.info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border-light);
    gap: 8px;
}
.info-row:last-child,
.info-row:nth-last-child(2):nth-child(odd) { border-bottom: none; }
.info-label {
    font-size: 13px;
    color: var(--muted);
    font-weight: 540;
}
.info-val {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 620;
    color: var(--ink);
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ============== 电芯电压网格（白卡 + 电池图标） ============== */
.cell-grid, .cells-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 9px 7px;
    padding: 4px 0 0;
}
.cell {
    min-width: 0;
    padding: 8px 3px 7px;
    text-align: center;
    background:
        var(--tile-gradient),
        var(--tile);
    border: 0;
    border-radius: 15px;
    box-shadow: var(--tile-shadow);
    position: relative;
    transition: var(--transition);
    color: var(--ink);
}

/* 电池图标（28x39 方块带顶部小帽） */
/* --cell-color 不在此处定义，从 :root 继承，允许用户在主题面板 DIY */
.battery-icon {
    --level: 60;
    width: 28px;
    height: 39px;
    margin: 0 auto 6px;
    border: 2px solid color-mix(in srgb, var(--cell-color) 72%, white);
    border-radius: 7px;
    position: relative;
    display: grid;
    place-items: center;
    overflow: visible;
    color: #fff;
    font-size: 10px;
    font-weight: 560;
    background: color-mix(in srgb, var(--cell-color) 9%, transparent);
    box-shadow:
        0 8px 16px color-mix(in srgb, var(--cell-color) 16%, transparent),
        0 0 0 5px color-mix(in srgb, var(--cell-color) 5%, transparent),
        inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}
.battery-icon::before {
    content: "";
    width: 12px;
    height: 4px;
    border-radius: 4px 4px 0 0;
    background: color-mix(in srgb, var(--cell-color) 72%, white);
    position: absolute;
    top: -6px;
}
.battery-icon::after {
    content: "";
    position: absolute;
    left: 2px;
    right: 2px;
    bottom: 2px;
    height: calc(var(--level) * 1%);
    min-height: 5px;
    border-radius: 4px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--cell-color) 68%, white), var(--cell-color));
}
.battery-icon span {
    position: relative;
    z-index: 1;
    color: rgba(255, 255, 255, 0.94);
    font-size: 11px;
    line-height: 1;
    text-shadow: 0 1px 3px rgba(17, 24, 39, 0.34);
}

/* 兼容旧版无电池图标结构：直接显示文本 */
.cell-num {
    font-size: 10px;
    font-weight: 600;
    color: var(--muted);
    opacity: 0.86;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    margin-bottom: 4px;
}
.cell-val {
    font-family: var(--font-mono);
    font-size: 15px;
    font-weight: 650;
    color: var(--ink);
    letter-spacing: -0.02em;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
    display: block;
}
.cell-unit {
    font-size: 9px;
    font-weight: 540;
    color: var(--subtle);
    margin-top: 2px;
    display: block;
}

/* 状态颜色（电芯） - 用文本颜色区分 */
/* normal 状态继承 :root 的 --cell-color（可在主题面板 DIY） */
.cell.low .battery-icon,
.cell.min .battery-icon { --cell-color: var(--orange); }
.cell.high .battery-icon,
.cell.max .battery-icon { --cell-color: var(--red); }
.cell.critical .battery-icon,
.cell.max.critical .battery-icon { --cell-color: var(--red); }
.cell.balancing .battery-icon,
.cell.balancing.min .battery-icon,
.cell.balancing.max .battery-icon {
    --cell-color: var(--green);
    box-shadow:
        0 10px 20px color-mix(in srgb, var(--green) 30%, transparent),
        0 0 0 5px color-mix(in srgb, var(--green) 10%, transparent),
        inset 0 0 0 1px rgba(255, 255, 255, 0.22);
    animation: cell-pulse 1.4s ease-in-out infinite;
}
.cell.balancing strong,
.cell.balancing .cell-val { color: var(--green); }
.cell.waiting .battery-icon { --cell-color: #6f7c91; opacity: 0.48; }
.cell.waiting strong, .cell.waiting .cell-val { color: var(--subtle); }

.cell.min .cell-val, .cell.low .cell-val { color: var(--orange); }
.cell.max .cell-val, .cell.high .cell-val, .cell.critical .cell-val { color: var(--red); }

@keyframes cell-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.04); }
}
.bal-mark {
    color: var(--green);
    font-size: 9px;
    animation: pulse 1.2s ease-in-out infinite;
}

/* ============== 温度网格（6 列白卡） ============== */
.temp-grid, .temperature-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
    gap: 8px;
    padding: 4px 0 0;
}
@media (min-width: 380px) {
    .temp-grid, .temperature-list {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}
.temp {
    min-width: 0;
    border-radius: 15px;
    background:
        var(--tile-gradient),
        var(--tile);
    padding: 8px 4px;
    text-align: center;
    box-shadow: var(--tile-shadow);
    transition: var(--transition);
}
.temp.hot {
    background: color-mix(in srgb, var(--red) 9%, var(--surface-soft));
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--red) 20%, transparent), var(--soft-shadow);
}
.temp.cold {
    background: color-mix(in srgb, var(--blue) 9%, var(--surface-soft));
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--blue) 20%, transparent), var(--soft-shadow);
}
.temp-label {
    display: block;
    font-size: 10px;
    color: var(--muted);
    font-weight: 540;
    margin-bottom: 3px;
}
.temp-val {
    display: block;
    margin-top: 3px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.15;
    font-weight: 580;
    color: var(--ink);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}
.temp-unit {
    font-size: 11px;
    font-weight: 540;
    opacity: 0.62;
    margin-left: 2px;
}
.temp.hot .temp-val { color: var(--red); }
.temp.cold .temp-val { color: var(--blue); }

/* ============== 保护 / 告警（flag-list 横向 chip） ============== */
.protection-list, .flag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding: 4px 0 0;
}
.prot-item, .flag-chip {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    border-radius: var(--radius-full);
    padding: 5px 11px;
    background:
        var(--tile-gradient),
        var(--tile);
    color: var(--ink);
    box-shadow: var(--tile-shadow);
    font-size: 12px;
    line-height: 1.15;
    font-weight: 580;
    gap: 6px;
}
.prot-item.protection, .flag-chip.protect {
    color: var(--red);
    background: color-mix(in srgb, var(--red) 9%, var(--surface-soft));
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--red) 20%, transparent), var(--soft-shadow);
}
.prot-item:not(.protection), .flag-chip.warn {
    color: var(--orange);
    background: color-mix(in srgb, var(--orange) 10%, var(--surface-soft));
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--orange) 22%, transparent), var(--soft-shadow);
}
.flag-chip.ok {
    color: var(--green);
    background: color-mix(in srgb, var(--green) 10%, var(--surface-soft));
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--green) 22%, transparent), var(--soft-shadow);
}
.flag-chip.runtime {
    color: var(--blue);
    background: color-mix(in srgb, var(--blue) 9%, var(--surface-soft));
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--blue) 20%, transparent), var(--soft-shadow);
}
.prot-type {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ============== 空状态 ============== */
.empty-state {
    text-align: center;
    padding: 16px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.55;
}

/* ============== 告警栏 ============== */
.alarm-bar {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent),
        var(--red);
    color: #fff;
    padding: 11px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 0;
    font-size: 13px;
    font-weight: 650;
    text-align: center;
    box-shadow: 0 8px 18px rgba(var(--red-rgb), 0.22);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* ============== 按钮（胶囊形） ============== */
.btn, .ios-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 18px;
    height: 38px;
    border: 0;
    border-radius: var(--radius-full);
    color: var(--ink);
    background:
        var(--glass-inner),
        color-mix(in srgb, var(--blue) 11%, transparent);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--blue) 14%, transparent);
}
.btn:hover { background: color-mix(in srgb, var(--blue) 16%, transparent); }
.btn:active { transform: scale(0.96); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary, .balance-button {
    height: 40px;
    border: 0;
    color: #fff;
    background:
        linear-gradient(180deg, color-mix(in srgb, white 22%, transparent), transparent),
        linear-gradient(135deg, color-mix(in srgb, var(--blue) 86%, var(--purple)), var(--blue));
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.28),
        0 10px 22px color-mix(in srgb, var(--blue) 22%, transparent);
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-danger {
    background:
        linear-gradient(180deg, color-mix(in srgb, white 22%, transparent), transparent),
        var(--red);
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 10px 22px color-mix(in srgb, var(--red) 22%, transparent);
}
.btn-success {
    background:
        linear-gradient(180deg, color-mix(in srgb, white 22%, transparent), transparent),
        var(--green);
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 10px 22px color-mix(in srgb, var(--green) 22%, transparent);
}
.btn-sm { height: 32px; padding: 0 14px; font-size: 12px; }
.btn-block { display: flex; width: 100%; }

/* ============== 控制行（开关） ============== */
.control-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border-light);
}
.control-row:last-child { border-bottom: none; }
.control-info { min-width: 0; }
.control-title {
    font-size: 14px;
    color: var(--ink);
    font-weight: 580;
    margin-bottom: 2px;
}
.control-hint {
    font-size: 11px;
    color: var(--muted);
    line-height: 1.4;
}

/* ============== 开关 ============== */
.switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 32px;
    flex-shrink: 0;
}
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
    position: absolute;
    inset: 0;
    background: color-mix(in srgb, var(--subtle) 40%, transparent);
    border-radius: var(--radius-full);
    transition: var(--transition);
    cursor: pointer;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.18);
}
.slider::before {
    content: '';
    position: absolute;
    width: 26px;
    height: 26px;
    left: 3px;
    top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}
.switch input:checked + .slider {
    background:
        linear-gradient(180deg, color-mix(in srgb, white 28%, transparent), transparent),
        var(--green);
}
.switch input:checked + .slider::before { transform: translateX(20px); }
.switch input:disabled + .slider { opacity: 0.4; cursor: not-allowed; }

/* ============== 表单 ============== */
.form-group { margin-bottom: 12px; }
.form-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--muted);
    font-weight: 580;
    margin-bottom: 4px;
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--glass-inner);
    color: var(--ink);
    font-size: 14px;
    font-family: var(--font-sans);
    transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(var(--blue-rgb), 0.18);
}
.form-group input:disabled {
    background: rgba(var(--subtle), 0.06);
    color: var(--subtle);
    cursor: not-allowed;
}
.form-hint {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 10px;
    line-height: 1.5;
    padding: 8px 12px;
    background: color-mix(in srgb, var(--blue) 6%, var(--surface-soft));
    border-radius: var(--radius-md);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--blue) 12%, transparent);
}
.form-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}
.form-row > .form-group { flex: 1; margin-bottom: 0; }
.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 12px;
}
.form-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.form-actions .btn { flex: 1; min-width: 100px; }

/* ============== 折叠卡片（details/summary） ============== */
details.card.foldable {
    padding: 0;
    overflow: hidden;
}
details.card.foldable > summary.card-title {
    padding: 14px 16px;
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: background-color 200ms ease;
    margin: 0;
}
details.card.foldable > summary.card-title::-webkit-details-marker { display: none; }
details.card.foldable > summary.card-title::after {
    content: '';
    position: absolute;
    right: 18px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--muted);
    border-bottom: 2px solid var(--muted);
    transform: translateY(-75%) rotate(45deg);
    transition: transform 240ms cubic-bezier(0.4, 0, 0.2, 1);
}
details.card.foldable[open] > summary.card-title::after {
    transform: translateY(-25%) rotate(-135deg);
}
details.card.foldable > summary.card-title {
    position: relative;
}
details.card.foldable > summary.card-title:hover {
    background: color-mix(in srgb, var(--blue) 4%, transparent);
}
.fold-body {
    padding: 0 16px 14px;
    animation: fold-in 240ms cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes fold-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============== OTA 升级模块 ============== */
/* 信息网格：4 列卡片式（响应式） */
.ota-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 8px;
    margin-bottom: 14px;
}
@media (max-width: 480px) {
    .ota-info-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
    .ota-info-item { padding: 8px 10px; }
    .ota-info-label { font-size: 10px; }
    .ota-info-value { font-size: 12px; }
    .ota-info-icon { width: 26px; height: 26px; font-size: 12px; border-radius: 8px; }
}
.ota-info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    transition: border-color 200ms ease;
}
.ota-info-item:hover { border-color: color-mix(in srgb, var(--blue) 30%, var(--border)); }
.ota-info-icon {
    width: 32px; height: 32px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; font-weight: 700;
    flex-shrink: 0;
}
.ota-info-text { min-width: 0; flex: 1; }
.ota-info-label {
    font-size: 11px;
    color: var(--muted);
    margin-bottom: 2px;
}
.ota-info-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    word-break: break-all;
}
.ota-info-sub {
    font-size: 11px;
    color: var(--muted);
    font-weight: 400;
}

/* 检查更新按钮 */
.ota-actions { margin-bottom: 14px; }
.ota-check-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: color-mix(in srgb, var(--blue) 12%, var(--surface));
    color: var(--blue);
    border: 1px solid color-mix(in srgb, var(--blue) 30%, transparent);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 200ms ease;
}
.ota-check-btn:hover:not:disabled {
    background: color-mix(in srgb, var(--blue) 20%, var(--surface));
    transform: translateY(-1px);
}
.ota-check-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.ota-check-btn span { font-size: 14px; }

/* OTA 进度面板 */
.ota-progress-panel {
    margin-bottom: 16px;
    padding: 16px;
    border-radius: 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    transition: border-color 300ms ease, background 300ms ease;
}
.ota-progress-panel.ota-active {
    border-color: color-mix(in srgb, var(--blue) 40%, var(--border));
    background: color-mix(in srgb, var(--blue) 4%, var(--surface));
}
.ota-progress-panel.ota-done {
    border-color: rgba(74, 222, 128, 0.5);
    background: rgba(74, 222, 128, 0.06);
}
.ota-progress-panel.ota-error {
    border-color: rgba(255, 55, 95, 0.5);
    background: rgba(255, 55, 95, 0.06);
}

/* 进度头部：标题+百分比 */
.ota-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.ota-progress-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}
.ota-progress-percent {
    font-size: 20px;
    font-weight: 800;
    color: var(--blue);
    font-family: var(--font-mono);
    transition: color 300ms ease;
}

/* Spinner 旋转图标 */
.ota-progress-spinner {
    width: 16px; height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--blue);
}
.ota-progress-spinner.spinning {
    animation: ota-spin 0.9s linear infinite;
}
@keyframes ota-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 进度条轨道 */
.ota-progress-track {
    height: 8px;
    background: color-mix(in srgb, var(--text) 8%, transparent);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}
/* 进度条填充（带流光动画） */
.ota-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--blue), color-mix(in srgb, var(--blue) 70%, white));
    border-radius: var(--radius-full);
    transition: width 400ms cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 12px color-mix(in srgb, var(--blue) 50%, transparent);
}
.ota-progress-bar::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: ota-shimmer 1.6s linear infinite;
}
@keyframes ota-shimmer {
    from { transform: translateX(-100%); }
    to { transform: translateX(100%); }
}
.ota-done .ota-progress-bar {
    background: linear-gradient(90deg, #4ade80, #22c55e);
    box-shadow: 0 0 12px rgba(74, 222, 128, 0.5);
}
.ota-done .ota-progress-bar::after { display: none; }
.ota-error .ota-progress-bar {
    background: linear-gradient(90deg, #ff3760, #dc2626);
    box-shadow: 0 0 12px rgba(255, 55, 95, 0.5);
}
.ota-error .ota-progress-bar::after { display: none; }

/* 上传进度条（细版） */
.ota-upload-bar {
    background: var(--blue);
    box-shadow: none;
}
.ota-upload-bar::after { display: none; }

/* Stage 阶段指示器 */
.ota-progress-stages {
    display: flex;
    justify-content: space-between;
    margin-top: 14px;
    gap: 4px;
}
.ota-stage {
    flex: 1;
    text-align: center;
    font-size: 11px;
    color: var(--muted);
    padding: 4px 0;
    border-top: 2px solid var(--border);
    transition: all 300ms ease;
    position: relative;
}
.ota-stage.active {
    color: var(--blue);
    border-top-color: var(--blue);
    font-weight: 700;
}
.ota-stage.completed {
    color: var(--green);
    border-top-color: var(--green);
}
.ota-stage.completed::after {
    content: '✓';
    position: absolute;
    right: 4px;
    top: 2px;
    font-size: 9px;
}

/* 进度消息文字 */
.ota-progress-msg {
    margin-top: 10px;
    font-size: 12px;
    color: var(--muted);
    text-align: center;
}

/* 上传区域 */
.ota-upload-zone {
    padding: 12px;
    border-radius: 12px;
    background: var(--surface);
    border: 1px dashed var(--border);
    margin-bottom: 12px;
}
.ota-upload-hint {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 开始升级区域 */
.ota-start-zone {
    padding-top: 4px;
}
.ota-start-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 700;
}
.ota-warn {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(255, 159, 10, 0.08);
    border-left: 3px solid var(--orange);
    color: var(--text-2);
    font-size: 12px;
}

/* ============== OTA 美化输入框 + 文件选择 ============== */
.ota-file-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}
@media (max-width: 540px) {
    .ota-file-row { flex-direction: column; gap: 8px; }
    .ota-file-row .form-group { width: 100%; }
    .ota-file-row .ota-upload-btn { width: 100%; height: 38px; }
    .ota-version-input { font-size: 13px; }
}
.ota-file-group {
    flex: 1;
    min-width: 0;
}
.ota-version-group {
    flex: 1;
    min-width: 0;
}
.ota-file-input-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    background: var(--tile);
    border: 1px solid var(--color-border-light);
    cursor: pointer;
    transition: border-color 180ms ease, background 180ms ease;
}
.ota-file-input-wrap:hover {
    border-color: var(--blue);
    background: color-mix(in srgb, var(--blue) 4%, var(--tile));
}
.ota-file-name {
    flex: 1;
    font-size: 13px;
    color: var(--muted);
    word-break: break-all;
}
.ota-file-name.selected {
    color: var(--ink);
}
.ota-file-btn {
    padding: 3px 12px;
    border-radius: var(--radius-sm);
    background: var(--blue);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}
.ota-version-input {
    width: 100%;
    padding: 8px 36px 8px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    background: var(--tile);
    color: var(--ink);
    font-size: 14px;
    font-family: var(--font-mono);
    outline: none;
    transition: border-color 180ms ease;
}
.ota-version-input:focus {
    border-color: var(--blue);
}
.ota-version-input::placeholder {
    color: var(--muted);
    font-size: 13px;
}
.ota-upload-btn {
    height: 38px;
    flex-shrink: 0;
}
.ota-help-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(148, 163, 184, 0.16);
    color: var(--muted);
    border: 0;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 180ms ease, color 180ms ease;
    flex-shrink: 0;
}
.ota-help-btn:hover {
    background: rgba(148, 163, 184, 0.28);
    color: var(--ink);
}
.ota-help-btn.active {
    background: rgba(255, 159, 10, 0.22);
    color: var(--orange);
}
.ota-help-panel {
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid var(--color-border-light);
}
.ota-help-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-size: 12px;
    color: var(--text-2);
    line-height: 1.5;
}
.ota-help-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--muted);
    flex-shrink: 0;
}

/* ============== 告警设置网格（6 列开关） ============== */
.alarm-settings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 12px;
    padding: 4px 0;
}
@media (min-width: 540px) {
    .alarm-settings-grid { grid-template-columns: repeat(3, 1fr); }
}
.alarm-setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 10px;
    background: var(--tile);
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 560;
    color: var(--ink);
    cursor: pointer;
    transition: background-color 180ms ease;
    border: 1px solid var(--color-border-light);
}
.alarm-setting-item:hover {
    background: color-mix(in srgb, var(--blue) 5%, var(--tile));
    border-color: color-mix(in srgb, var(--blue) 20%, var(--color-border-light));
}
.alarm-setting-item .switch.smaller {
    width: 40px;
    height: 24px;
    flex-shrink: 0;
}
.alarm-setting-item .switch.smaller .slider::before {
    width: 18px;
    height: 18px;
    top: 3px;
    left: 3px;
}
.alarm-setting-item .switch.smaller input:checked + .slider::before {
    transform: translateX(16px);
}

/* ============== 折叠提示微调 ============== */
.privacy-toggle {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.privacy-toggle.active {
    background: rgba(var(--blue-rgb), 0.15);
    color: var(--blue);
}

/* ============== 目标版本号清空按钮 ============== */
.fw-clear-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(148, 163, 184, 0.18);
    color: var(--muted);
    border: 0;
    border-radius: var(--radius-sm);
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    line-height: 1.4;
    transition: background-color 160ms ease, color 160ms ease;
}
.fw-clear-btn:hover {
    background: rgba(239, 68, 68, 0.18);
    color: var(--red);
}

/* ============== 隐私遮挡开关（截图隐藏敏感信息） ============== */
.privacy-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    background: rgba(148, 163, 184, 0.16);
    color: var(--muted);
    border: 0;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    line-height: 1.5;
    transition: background-color 180ms ease, color 180ms ease;
}
.privacy-toggle:hover {
    background: rgba(148, 163, 184, 0.28);
    color: var(--ink);
}
.privacy-toggle.active {
    background: rgba(255, 159, 10, 0.22);
    color: var(--orange);
}
.privacy-toggle .privacy-icon {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* 隐私模式开启：遮挡 conn-bar 内的敏感信息（IP、MQTT 地址等） */
.conn-bar.privacy-on .conn-val,
.conn-bar.privacy-on .conn-info {
    position: relative;
}
.conn-bar.privacy-on .conn-val {
    color: transparent !important;
    user-select: none;
}
.conn-bar.privacy-on .conn-val::after {
    content: '******';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--muted);
    font-weight: 600;
    letter-spacing: 0.04em;
}
.conn-bar.privacy-on .conn-val.mono::after {
    font-family: var(--font-mono);
}

/* ============== 扫描列表 ============== */
.scan-list {
    max-height: 260px;
    overflow-y: auto;
    border-radius: var(--radius-md);
    background: var(--glass-inner);
    padding: 4px;
    box-shadow: inset 0 0 0 1px var(--color-border-light);
}
.scan-list:empty { padding: 0; background: transparent; box-shadow: none; }
.scan-item {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 160ms ease;
    display: flex;
    flex-direction: column;
    gap: 2px;
    border: 1px solid transparent;
}
.scan-item:hover {
    background: color-mix(in srgb, var(--blue) 8%, transparent);
}
.scan-item.selected {
    background: color-mix(in srgb, var(--blue) 16%, transparent);
    border-color: color-mix(in srgb, var(--blue) 36%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--blue) 24%, transparent);
}
.scan-name {
    font-size: 13px;
    font-weight: 620;
    color: var(--ink);
    word-break: break-all;
}
.scan-mac, .scan-meta {
    font-size: 11px;
    color: var(--muted);
    font-weight: 540;
    word-break: break-all;
}

/* ============== MOS 卡（参考 mos-card） ============== */
.mos-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px;
    align-items: center;
    padding: 14px 16px;
    background:
        var(--glass-gradient),
        var(--surface);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 0;
    border-radius: var(--radius-xl);
    box-shadow: var(--hairline), var(--soft-shadow);
}
.mos-icon {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    color: var(--orange);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent),
        color-mix(in srgb, var(--orange) 14%, transparent);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.32),
        inset 0 0 0 1px color-mix(in srgb, var(--orange) 20%, transparent),
        0 8px 18px color-mix(in srgb, var(--orange) 12%, transparent);
}
.mos-card[data-tone="runtime"] .mos-icon { color: var(--blue); background: linear-gradient(180deg, rgba(255,255,255,0.28), transparent), color-mix(in srgb, var(--blue) 12%, transparent); box-shadow: inset 0 1px 0 rgba(255,255,255,0.32), inset 0 0 0 1px color-mix(in srgb, var(--blue) 18%, transparent), 0 8px 18px color-mix(in srgb, var(--blue) 10%, transparent); }
.mos-card[data-tone="warn"] .mos-icon { color: var(--orange); }
.mos-card[data-tone="alarm"] .mos-icon { color: var(--red); background: linear-gradient(180deg, rgba(255,255,255,0.28), transparent), color-mix(in srgb, var(--red) 14%, transparent); box-shadow: inset 0 1px 0 rgba(255,255,255,0.32), inset 0 0 0 1px color-mix(in srgb, var(--red) 20%, transparent), 0 8px 18px color-mix(in srgb, var(--red) 12%, transparent); }
.mos-icon svg { width: 18px; height: 18px; }
.mos-state { min-width: 0; display: grid; gap: 4px; }
.mos-card strong, .mos-state strong { display: block; color: var(--ink); font-size: 13px; line-height: 1.2; font-weight: 580; }
.mos-card b, .mos-state b { font-weight: 620; }

/* ============== 电压概览 4 列 ============== */
.voltage-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    padding: 4px 0 0;
}
.voltage-strip > div {
    min-width: 0;
    border-radius: 15px;
    background:
        var(--tile-gradient),
        linear-gradient(135deg, color-mix(in srgb, var(--blue) 5%, transparent), transparent);
    padding: 9px 7px;
    text-align: center;
    box-shadow: var(--tile-shadow);
}
.voltage-strip span {
    display: block;
    font-size: 10px;
    color: var(--muted);
    font-weight: 540;
    margin-bottom: 4px;
}
.voltage-strip strong {
    display: block;
    margin-top: 4px;
    font-size: 13px;
    line-height: 1.1;
    font-weight: 580;
    white-space: nowrap;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}
.voltage-strip strong.green { color: var(--green); }
.voltage-strip strong.orange { color: var(--orange); }
.voltage-strip strong.red { color: var(--red); }
.voltage-strip strong.purple { color: var(--purple); }
.voltage-strip small {
    display: inline-grid;
    place-items: center;
    min-width: 18px;
    height: 15px;
    border: 1.5px solid currentColor;
    border-radius: 6px;
    font-size: 10px;
    line-height: 1;
    margin-left: 2px;
}