/* Copyright (C) 2025 Piers Finlayson <piers@piers.rocks> */
/* MIT License */

:root {
    --color-bg: #0f1419;
    --color-bg-card: #1a2129;
    --color-border: #2b3540;
    --color-text-primary: #e6edf3;
    --color-text-secondary: #9aa7b4;
    --color-accent: #06b6d4;
    --color-success: #22c55e;
    --color-warning: #eab308;
    --color-danger: #ef4444;
    --color-latest: #ea580c;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "PingFang SC",
        monospace;
}

@media (prefers-color-scheme: light) {
    :root {
        --color-bg: #f4f6f8;
        --color-bg-card: #ffffff;
        --color-border: #d8dee4;
        --color-text-primary: #1f2328;
        --color-text-secondary: #57606a;
        --color-accent: #0e8fa8;
        --color-success: #1a7f37;
        --color-warning: #9a6700;
        --color-danger: #cf222e;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
}

.container {
    max-width: 860px;
    margin: 0 auto;
    padding: 24px 20px 48px;
}

.header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.header h1 {
    margin: 0;
    font-size: 1.9rem;
}

.subtitle {
    margin: 4px 0 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.card {
    margin-top: 20px;
    padding: 20px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
}

.card h2 {
    margin: 0 0 14px;
    font-size: 1.05rem;
    color: var(--color-text-secondary);
}

.row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.status-line {
    font-weight: 600;
}

/* 按钮 */
.btn {
    padding: 8px 18px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: filter 0.15s ease;
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* hidden 属性需显式声明，避免被后续 .btn 系列的 display 规则覆盖 */
.btn[hidden] {
    display: none;
}

.btn:not(:disabled):hover {
    filter: brightness(1.15);
}

.btn:focus {
    outline: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
}

.btn-danger {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: #ffffff;
}

/* 烧录卡片头部：标题 + 版本切换 */
.card-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.card-header h2 {
    margin: 0;
}

/* 版本 + 平台切换的容器 */
.switch-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

/* 平台切换在最新版渠道下仅隐藏视觉、保留占位，避免切换稳定版/最新版时标题行跳动 */
.version-switch.platform-switch {
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

.version-switch.platform-switch.is-invisible {
    opacity: 0;
    visibility: hidden;
}

/* 当前固件说明 */
.firmware-hint {
    margin: 0 0 14px;
    padding: 9px 14px;
    background-color: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: 8px;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

/* 操作按钮区：主按钮 + 次要按钮组 */
.action-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.btn-flash {
    flex: 1 1 200px;
    max-width: 280px;
    padding: 11px 18px;
    font-size: 1rem;
    font-weight: 700;
}

.action-row-side {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-left: auto;
}

@media (max-width: 520px) {
    .action-row-side {
        margin-left: 0;
        width: 100%;
    }

    .action-row-side .btn {
        flex: 1;
    }

    .btn-flash {
        max-width: none;
    }
}

/* 清空 flash：描边样式弱化视觉重量，悬停时填充警示色 */
.btn-danger {
    background-color: transparent;
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.btn-danger:not(:disabled):hover {
    background-color: var(--color-danger);
    color: #ffffff;
}

/* 进度区：标签 + 百分比 + 进度条 */
.progress-area {
    margin-top: 18px;
}

.progress-meta {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.progress-percent {
    font-family: var(--font-mono);
    color: var(--color-text-primary);
}

/* 进度条 */
.progress-bar {
    margin-top: 0;
    height: 10px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    overflow: hidden;
}

/* 固件版本切换 */
.version-switch {
    display: inline-flex;
    gap: 3px;
    padding: 3px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 999px;
}

.version-option {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    border: none;
    border-radius: 999px;
    background-color: transparent;
    color: var(--color-text-secondary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.version-option::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-text-secondary);
    transition: background-color 0.15s ease;
}

.version-option[data-channel='stable']::before {
    background-color: var(--color-success);
}

.version-option[data-channel='latest']::before {
    background-color: var(--color-warning);
}

.version-option[data-channel='stable'].is-active {
    background-color: var(--color-success);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.35);
}

.version-option[data-channel='latest'].is-active {
    background-color: var(--color-latest);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(234, 88, 12, 0.35);
}

.version-option.is-active::before {
    background-color: #ffffff;
}

.version-option:not(.is-active):hover {
    color: var(--color-text-primary);
}

.version-option:focus {
    outline: none;
}

.version-option:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* 设备信息网格 */
.device-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 6px 24px;
    margin: 16px 0 0;
}

.device-info > div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0;
    border-bottom: 1px dashed var(--color-border);
}

.device-info dt {
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.device-info dd {
    margin: 0;
    font-family: var(--font-mono);
    word-break: break-all;
    text-align: right;
}

/* 输入框 */
.input {
    flex: 1;
    min-width: 220px;
    padding: 8px 12px;
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* 进度条 */
.progress-fill {
    width: 0;
    height: 100%;
    background-color: var(--color-accent);
    border-radius: 6px;
    transition: width 0.1s ease;
}

/* 活动日志 */
.activity-log {
    max-height: 260px;
    overflow-y: auto;
    padding: 10px 12px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.5;
}

.log-entry {
    white-space: pre-wrap;
    word-break: break-all;
}

.log-info {
    color: var(--color-text-secondary);
}

.log-success {
    color: var(--color-success);
}

.log-warning {
    color: var(--color-warning);
}

.log-error {
    color: var(--color-danger);
}

.hidden {
    display: none !important;
}

/* 目标平台切换（仅稳定版渠道可见；复用 version-option 视觉语言） */
.version-option[data-platform='android']::before {
    background-color: var(--color-success);
}

.version-option[data-platform='ios']::before {
    background-color: var(--color-latest);
}

.version-option[data-platform='host']::before {
    background-color: var(--color-accent);
}

.version-option[data-platform='android'].is-active {
    background-color: var(--color-success);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.35);
}

.version-option[data-platform='ios'].is-active {
    background-color: var(--color-latest);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(234, 88, 12, 0.35);
}

.version-option[data-platform='host'].is-active {
    background-color: var(--color-accent);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(6, 182, 212, 0.35);
}


/* WebUSB 不可用引导弹窗 */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.45);
}

.modal-overlay[hidden] {
    display: none;
}

.modal-card {
    max-width: 480px;
    width: 100%;
    padding: 24px;
    background-color: var(--color-bg, #ffffff);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.modal-card h3 {
    margin: 0 0 10px;
    font-family: var(--font-sans);
    font-size: 1.1rem;
}

.modal-card p {
    margin: 0 0 18px;
    font-family: var(--font-sans);
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--color-text-secondary, #475569);
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}