/* 全局点击效果优化 */
*{
    -webkit-tap-highlight-color: rgba(0,0,0,0);
    box-sizing: border-box;
}
*:focus{
    outline: none !important;
}

/* 禁止长按选择文字 */
body, html {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* ===== MD3 Design Tokens ===== */
:root {
    /* Primary */
    --md-sys-color-primary: #6750A4;
    --md-sys-color-on-primary: #FFFFFF;
    --md-sys-color-primary-container: #EADDFF;
    --md-sys-color-on-primary-container: #21005D;

    /* Secondary */
    --md-sys-color-secondary: #625B71;
    --md-sys-color-on-secondary: #FFFFFF;
    --md-sys-color-secondary-container: #E8DEF8;
    --md-sys-color-on-secondary-container: #1D192B;

    /* Tertiary */
    --md-sys-color-tertiary: #7D5260;
    --md-sys-color-on-tertiary: #FFFFFF;
    --md-sys-color-tertiary-container: #FFD8E4;
    --md-sys-color-on-tertiary-container: #31111D;

    /* Error */
    --md-sys-color-error: #B3261E;
    --md-sys-color-on-error: #FFFFFF;
    --md-sys-color-error-container: #F9DEDC;
    --md-sys-color-on-error-container: #410E0B;

    /* Surface */
    --md-sys-color-surface: #FFFBFE;
    --md-sys-color-on-surface: #1C1B1F;
    --md-sys-color-surface-variant: #E7E0EC;
    --md-sys-color-on-surface-variant: #49454F;
    --md-sys-color-surface-container-lowest: #FFFFFF;
    --md-sys-color-surface-container-low: #F7F2FA;
    --md-sys-color-surface-container: #F3EDF7;
    --md-sys-color-surface-container-high: #ECE6F0;
    --md-sys-color-surface-container-highest: #E6E0E9;
    --md-sys-color-inverse-surface: #313033;
    --md-sys-color-inverse-on-surface: #F4EFF4;

    /* Outline */
    --md-sys-color-outline: #79747E;
    --md-sys-color-outline-variant: #CAC4D0;

    /* Shape */
    --md-sys-shape-corner-none: 0px;
    --md-sys-shape-corner-extra-small: 4px;
    --md-sys-shape-corner-small: 8px;
    --md-sys-shape-corner-medium: 12px;
    --md-sys-shape-corner-large: 16px;
    --md-sys-shape-corner-extra-large: 28px;
    --md-sys-shape-corner-full: 9999px;

    /* Elevation (MD3 uses surface tints, not shadows) */
    --md-sys-elevation-level0: 0px 0px 0px 0px rgba(0,0,0,0);
    --md-sys-elevation-level1: 0px 1px 2px rgba(0,0,0,0.3), 0px 1px 3px 1px rgba(0,0,0,0.15);
    --md-sys-elevation-level2: 0px 1px 2px rgba(0,0,0,0.3), 0px 2px 6px 2px rgba(0,0,0,0.15);
    --md-sys-elevation-level3: 0px 4px 8px 3px rgba(0,0,0,0.15), 0px 1px 3px rgba(0,0,0,0.3);

    /* Typography Scale */
    --md-sys-typescale-display-large: 400 57px/64px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-headline-large: 400 32px/40px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-headline-medium: 400 28px/36px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-headline-small: 400 24px/32px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-title-large: 400 22px/28px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-title-medium: 500 16px/24px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-title-small: 500 14px/20px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-body-large: 400 16px/24px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-body-medium: 400 14px/20px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-body-small: 400 12px/16px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-label-large: 500 14px/20px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-label-medium: 500 12px/16px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --md-sys-typescale-label-small: 500 11px/16px system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    /* State layer opacity */
    --md-sys-state-hover: 0.08;
    --md-sys-state-focus: 0.12;
    --md-sys-state-pressed: 0.12;
}

body {
    min-height: 100vh;
    background-color: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    font: var(--md-sys-typescale-body-large);
    transition: background-color 0.3s ease;
    padding: 16px;
}

/* 头部样式 */
.header {
    text-align: center;
    margin-bottom: 24px;
    padding: 16px 0;
}

.header h1 {
    color: var(--md-sys-color-on-surface);
    margin: 0;
    font: var(--md-sys-typescale-headline-large);
    letter-spacing: 0;
}

/* 顶部提示 - MD3 Surface Variant Banner */
.top-notice {
    width: 100%;
    padding: 16px;
    background: var(--md-sys-color-surface-container-high);
    border-radius: var(--md-sys-shape-corner-medium);
    text-align: center;
    font: var(--md-sys-typescale-body-small);
    color: var(--md-sys-color-on-surface-variant);
    margin-bottom: 16px;
}

/* ===== MD3 Elevated Card ===== */
.md3-card {
    width: 100%;
    max-width: 100%;
    margin: 0 0 16px 0;
    padding: 16px;
    border-radius: var(--md-sys-shape-corner-large);
    background: var(--md-sys-color-surface-container-low);
    box-shadow: var(--md-sys-elevation-level1);
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: left;
    word-break: break-all;
    word-wrap: break-word;
    transition: box-shadow 0.2s ease, background-color 0.2s ease;
}

.md3-card:hover {
    box-shadow: var(--md-sys-elevation-level2);
    background: var(--md-sys-color-surface-container);
}

/* 卡片头部 */
.card-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--md-sys-shape-corner-full);
    background-color: var(--md-sys-color-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--md-sys-color-on-primary-container);
    font-size: 20px;
    flex-shrink: 0;
}

/* SVG图标样式 */
.svg-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.card-title {
    font: var(--md-sys-typescale-title-large);
    color: var(--md-sys-color-on-surface);
}

/* 状态芯片 - MD3 Assist Chip */
.status-chip {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 16px;
    border-radius: var(--md-sys-shape-corner-small);
    font: var(--md-sys-typescale-label-large);
    letter-spacing: 0.025em;
}

.status-pending {
    background: var(--md-sys-color-surface-variant);
    color: var(--md-sys-color-on-surface-variant);
}
.status-processing {
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}
.status-success {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
}
.status-failed {
    background: var(--md-sys-color-error-container);
    color: var(--md-sys-color-on-error-container);
}

.card-content {
    font: var(--md-sys-typescale-body-medium);
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.5;
}

/* 按钮容器 */
.card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* ===== MD3 Button System ===== */
/* Base button reset */
.md3-btn {
    height: 40px;
    padding: 0 24px;
    border-radius: var(--md-sys-shape-corner-full);
    border: none;
    font: var(--md-sys-typescale-label-large);
    letter-spacing: 0.025em;
    cursor: pointer;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    transition: box-shadow 0.2s ease, background-color 0.2s ease;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.md3-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: currentColor;
    opacity: 0;
    transition: opacity 0.15s ease;
    pointer-events: none;
}

.md3-btn:hover::before {
    opacity: var(--md-sys-state-hover);
}

.md3-btn:focus::before {
    opacity: var(--md-sys-state-focus);
}

.md3-btn:active::before {
    opacity: var(--md-sys-state-pressed);
}

.md3-btn:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.md3-btn:disabled::before {
    display: none;
}

/* Filled Button (Primary) */
.md3-btn-filled {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    box-shadow: var(--md-sys-elevation-level0);
}

.md3-btn-filled:hover {
    box-shadow: var(--md-sys-elevation-level1);
}

.md3-btn-filled:disabled {
    background: var(--md-sys-color-on-surface);
    color: var(--md-sys-color-surface);
    box-shadow: var(--md-sys-elevation-level0);
}

/* Tonal Button (Secondary) */
.md3-btn-tonal {
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    box-shadow: var(--md-sys-elevation-level0);
}

.md3-btn-tonal:hover {
    box-shadow: var(--md-sys-elevation-level1);
}

.md3-btn-tonal:disabled {
    background: var(--md-sys-color-on-surface);
    color: var(--md-sys-color-surface);
    opacity: 0.38;
}

/* Outlined Button */
.md3-btn-outlined {
    background: transparent;
    color: var(--md-sys-color-primary);
    border: 1px solid var(--md-sys-color-outline);
    box-shadow: var(--md-sys-elevation-level0);
}

.md3-btn-outlined:hover {
    border-color: var(--md-sys-color-primary);
    box-shadow: var(--md-sys-elevation-level0);
}

.md3-btn-outlined:disabled {
    border-color: var(--md-sys-color-on-surface);
    color: var(--md-sys-color-on-surface);
    opacity: 0.38;
}

/* Text Button */
.md3-btn-text {
    background: transparent;
    color: var(--md-sys-color-primary);
    padding: 0 16px;
    box-shadow: var(--md-sys-elevation-level0);
}

.md3-btn-text:hover {
    box-shadow: var(--md-sys-elevation-level0);
}

.md3-btn-text:disabled {
    background: transparent;
    color: var(--md-sys-color-on-surface);
    opacity: 0.38;
}

/* Text Button Error variant */
.md3-btn-error-text {
    color: var(--md-sys-color-error);
}

/* Error Filled Button */
.md3-btn-error {
    background: var(--md-sys-color-error);
    color: var(--md-sys-color-on-error);
    box-shadow: var(--md-sys-elevation-level0);
}

.md3-btn-error:hover {
    box-shadow: var(--md-sys-elevation-level1);
}

/* Wide button modifier */
.md3-btn-wide {
    min-width: 200px;
}

/* Login button modifier */
.md3-btn-login {
    width: 100%;
    height: 56px;
    padding: 0 32px;
    font: var(--md-sys-typescale-title-medium);
    border-radius: var(--md-sys-shape-corner-extra-large);
}

/* 日志显示 - MD3Outlined Text Field (read-only) */
.log-container {
    background: var(--md-sys-color-surface-container-highest);
    border-radius: var(--md-sys-shape-corner-extra-small);
    padding: 12px;
    height: 120px;
    overflow-y: auto;
    font-family: 'Roboto Mono', 'Consolas', monospace;
    font-size: 12px;
    line-height: 1.5;
    white-space: pre-wrap;
    color: var(--md-sys-color-on-surface-variant);
}

/* 表单元素 */
input[type="file"] {
    display: none;
}

/* MD3 Filled Text Field */
.md3-text-field {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.md3-text-field input[type="text"],
.md3-text-field input[type="password"] {
    width: 100%;
    padding: 16px;
    border-radius: var(--md-sys-shape-corner-extra-small) var(--md-sys-shape-corner-extra-small) 0 0;
    border: none;
    border-bottom: 1px solid var(--md-sys-color-on-surface-variant);
    background: var(--md-sys-color-surface-variant);
    font: var(--md-sys-typescale-body-large);
    color: var(--md-sys-color-on-surface);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.md3-text-field input[type="text"]:focus,
.md3-text-field input[type="password"]:focus {
    border-bottom: 2px solid var(--md-sys-color-primary);
    background: var(--md-sys-color-surface-container-highest);
}

.md3-text-field input[type="text"]::placeholder,
.md3-text-field input[type="password"]::placeholder {
    color: var(--md-sys-color-on-surface-variant);
    opacity: 0.7;
}

/* MD3 Input Label */
.input-label {
    font: var(--md-sys-typescale-body-small);
    color: var(--md-sys-color-on-surface-variant);
    padding-left: 16px;
    display: block;
}

/* ===== Login Fullscreen (Flat, No Card) ===== */
.login-fullscreen {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: 100%;
    padding: 32px 24px;
    box-sizing: border-box;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    background-color: var(--md-sys-color-surface);
}

.login-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.login-avatar {
    width: 80px;
    height: 80px;
    opacity: 0.7;
}

.login-title {
    font: var(--md-sys-typescale-headline-large);
    color: var(--md-sys-color-on-surface);
    margin: 0;
    letter-spacing: 0;
}

.login-subtitle {
    font: var(--md-sys-typescale-body-large);
    color: var(--md-sys-color-on-surface-variant);
    margin: 0;
    opacity: 0.8;
}

.login-form {
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.login-actions {
    width: 100%;
    max-width: 400px;
    display: flex;
    justify-content: center;
}

/* 隐藏元素 */
.hidden {
    display: none !important;
}

/* ===== Upload Fullscreen Section (MD3 Layout) ===== */
.upload-fullscreen-section {
    display: flex;
    flex-direction: column;
    flex: 1;
    width: 100%;
    padding: 16px;
    box-sizing: border-box;
    overflow-y: auto;
}

.upload-container {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.upload-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
}

.upload-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--md-sys-shape-corner-extra-large);
    background-color: var(--md-sys-color-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--md-sys-color-on-primary-container);
    margin-bottom: 4px;
}

.upload-icon .svg-icon {
    width: 28px;
    height: 28px;
    fill: currentColor;
}

.upload-title {
    font: var(--md-sys-typescale-headline-small);
    color: var(--md-sys-color-on-surface);
    margin: 0;
}

.upload-description {
    font: var(--md-sys-typescale-body-medium);
    color: var(--md-sys-color-on-surface-variant);
    margin: 0;
    opacity: 0.8;
}

/* Upload actions */
.upload-actions {
    display: flex;
    justify-content: center;
    padding: 16px 0;
}

/* Secondary Actions (Text Buttons) */
.upload-secondary-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* 日志显示 - MD3Outlined Text Field (read-only) */
.log-container {
    background: var(--md-sys-color-surface-container-highest);
    border-radius: var(--md-sys-shape-corner-extra-small);
    padding: 12px;
    height: 120px;
    overflow-y: auto;
    font-family: 'Roboto Mono', 'Consolas', monospace;
    font-size: 12px;
    line-height: 1.5;
    white-space: pre-wrap;
    color: var(--md-sys-color-on-surface-variant);
}

/* 任务列表全屏样式 */
.tasks-fullscreen-section {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 0 8px;
    gap: 12px;
    box-sizing: border-box;
    overflow-y: auto;
}

/* 主界面 */
#main-section {
    position: relative;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
    min-height: 100vh;
    width: 100%;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 96px;
    width: 100%;
    box-sizing: border-box;
}

/* MD3 Navigation Bar (Dock) */
.dock-bar {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 80px;
    background: var(--md-sys-color-surface);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 0 16px 0;
    z-index: 1002;
    box-shadow: var(--md-sys-elevation-level2);
}

.dock-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    cursor: pointer;
    padding: 4px 0;
    color: var(--md-sys-color-on-surface-variant);
    transition: color 0.2s ease;
    position: relative;
    border-radius: var(--md-sys-shape-corner-large);
    margin: 0 4px;
    -webkit-user-select: none;
    user-select: none;
}

.dock-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--md-sys-color-on-surface);
    opacity: 0;
    border-radius: var(--md-sys-shape-corner-large);
    transition: opacity 0.15s ease;
    pointer-events: none;
}

.dock-item:hover::before {
    opacity: var(--md-sys-state-hover);
}

.dock-item:focus::before {
    opacity: var(--md-sys-state-focus);
}

.dock-item:active::before {
    opacity: var(--md-sys-state-pressed);
}

.dock-item.active {
    color: var(--md-sys-color-on-surface);
}

.dock-item.active .dock-item-icon {
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}

.dock-item-icon {
    width: 64px;
    height: 32px;
    border-radius: var(--md-sys-shape-corner-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
    transition: all 0.2s ease;
}

.dock-item-icon .svg-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.dock-item-label {
    font: var(--md-sys-typescale-label-small);
}

/* 安卓设备适配 */
@media screen and (max-width: 1000px) {
    body {
        padding: 8px;
    }

    .md3-card {
        border-radius: var(--md-sys-shape-corner-medium);
        padding: 14px;
        margin-bottom: 12px;
        max-width: 100%;
        word-break: break-word;
    }

    .card-header {
        gap: 12px;
    }

    .card-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .svg-icon {
        width: 20px;
        height: 20px;
    }

    .md3-btn {
        height: 36px;
        padding: 0 20px;
        font-size: 13px;
    }

    .status-chip {
        height: 26px;
        padding: 0 12px;
        font-size: 11px;
    }

    .log-container {
        height: 100px;
        font-size: 11px;
    }

    .md3-text-field input[type="text"],
    .md3-text-field input[type="password"] {
        padding: 14px;
        font-size: 14px;
    }

    .upload-actions {
        padding: 12px 0;
    }

    .login-avatar {
        width: 64px;
        height: 64px;
    }

    .dock-bar {
        height: 72px;
        padding: 8px 0 12px 0;
    }

    .dock-item-icon {
        width: 56px;
        height: 28px;
    }

    .dock-item-label {
        font-size: 11px;
    }

    .login-title {
        font: var(--md-sys-typescale-headline-medium);
    }

    .top-notice {
        font: var(--md-sys-typescale-body-small);
        padding: 12px;
    }

    .card-title {
        font: var(--md-sys-typescale-title-medium);
    }

    .card-content {
        font: var(--md-sys-typescale-body-small);
    }
}

/* 针对安卓设备的进一步优化 */
@media screen and (max-width: 500px) {
    body {
        padding: 4px;
    }

    .login-fullscreen {
        padding: 24px 16px;
    }

    .login-header {
        margin-bottom: 32px;
    }

    .login-avatar {
        width: 56px;
        height: 56px;
    }

    .md3-card {
        margin: 4px;
        padding: 12px;
    }

    .md3-btn {
        height: 32px;
        padding: 0 16px;
        font-size: 12px;
    }

    .md3-btn-wide {
        min-width: 160px;
    }

    .log-container {
        height: 80px;
        font-size: 10px;
    }

    .card-actions {
        gap: 6px;
    }

    .dock-bar {
        height: 64px;
        padding: 8px 0 8px 0;
    }

    .dock-item-icon {
        width: 48px;
        height: 24px;
    }

    .upload-container {
        padding: 8px;
    }

    .upload-actions {
        padding: 8px 0;
    }
}