/* ============================================================
   Nomen 设计系统层
   加载顺序：style.css → ui.css → 页面级 CSS
   ============================================================ */

@property --cloud-glow-primary {
    syntax: '<color>';
    inherits: true;
    initial-value: rgba(47, 129, 247, 0.2);
}

@property --cloud-glow-secondary {
    syntax: '<color>';
    inherits: true;
    initial-value: rgba(168, 85, 247, 0.15);
}

@property --cloud-grid-color {
    syntax: '<color>';
    inherits: true;
    initial-value: rgba(47, 129, 247, 0.06);
}

:root {
    --font: "Segoe UI Variable Text", -apple-system, BlinkMacSystemFont, "Segoe UI",
            "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei",
            "Noto Sans SC", sans-serif;
    --font-mono: "Cascadia Mono", "SF Mono", "JetBrains Mono", "Fira Code", ui-monospace, monospace;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;

    --text-2xs: 11px;
    --text-xs: 12px;
    --text-sm: 13px;
    --text-base: 14px;
    --text-md: 15px;
    --text-lg: 17px;
    --text-xl: 20px;
    --text-2xl: 26px;
    --text-3xl: 32px;

    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;

    --ease: cubic-bezier(0.2, 0, 0, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --dur-fast: 120ms;
    --dur: 180ms;
    --dur-slow: 280ms;

    --control-h: 44px;
    --ring: 0 0 0 3px var(--color-primary-light);

    --color-text-subtle: #7d8590;

    --sky-glow-top: rgba(47, 129, 247, 0.14);
    --sky-glow-corner: rgba(168, 85, 247, 0.1);
    --sky-glow-bottom: rgba(47, 129, 247, 0.06);
    --sky-star: #d8e7ff;
    --sky-line: #7fb3ff;
    --auth-logo-glow: rgba(168, 85, 247, 0.24);

    transition: --cloud-glow-primary 0.35s ease, --cloud-glow-secondary 0.35s ease,
                --cloud-grid-color 0.35s ease;

    color-scheme: dark;
}

[data-theme="light"] {
    --color-text-subtle: #6a737d;
    color-scheme: light;

    --sky-star: #5c86bd;
    --sky-line: #5c86bd;
}

html {
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    line-height: 1.62;
}

::selection {
    background: var(--color-primary-light);
    color: var(--color-text);
}

:where(a, button, summary, [tabindex]):focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.text-balance {
    text-wrap: balance;
}

/* ========== 表单控件 ========== */
.form-group {
    gap: var(--space-2);
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.01em;
}

.form-group input:not([type="checkbox"]):not([type="radio"]),
.form-group textarea,
.form-group select {
    min-height: var(--control-h);
    padding: 10px 14px;
    font-size: var(--text-md);
    line-height: 1.45;
    border-radius: var(--radius-md);
    transition: border-color var(--dur) var(--ease),
                box-shadow var(--dur) var(--ease),
                background-color var(--dur) var(--ease);
}

.form-group input:not([type="checkbox"]):not([type="radio"]):hover:not(:focus):not(:disabled),
.form-group textarea:hover:not(:focus):not(:disabled),
.form-group select:hover:not(:focus):not(:disabled) {
    border-color: var(--color-border-hover);
}

.form-group input:not([type="checkbox"]):not([type="radio"]):focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-primary);
    box-shadow: var(--ring);
    outline: none;
}

.form-group input:not([type="checkbox"]):not([type="radio"]):disabled,
.form-group textarea:disabled,
.form-group select:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group input:-webkit-autofill,
.form-group input:-webkit-autofill:hover,
.form-group input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--color-text);
    -webkit-box-shadow: 0 0 0 1000px var(--color-bg) inset;
    caret-color: var(--color-text);
}

.form-hint {
    font-size: var(--text-xs);
    line-height: 1.65;
    color: var(--color-text-subtle);
}

.form-hint--spaced {
    margin-bottom: var(--space-2);
}

.checkbox-label {
    gap: var(--space-2);
    min-height: 36px;
    padding: 4px 2px;
    background: none;
    border: 0;
    border-radius: var(--radius-sm);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    color: var(--color-text-muted);
    font-size: var(--text-base);
}

[data-theme="light"] .checkbox-label {
    background: none;
    border-color: transparent;
}

.checkbox-label:hover {
    background: none;
    border-color: transparent;
    color: var(--color-text);
}

[data-theme="light"] .checkbox-label:hover {
    background: none;
    border-color: transparent;
}

.checkbox-label .checkmark {
    width: 18px;
    height: 18px;
    border-radius: 6px;
    background: var(--color-bg);
    border: 1.5px solid var(--color-border-hover);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    box-shadow: none;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    transition: transform var(--dur) var(--ease) 40ms;
}

.checkbox-label input[type="checkbox"]:focus-visible + .checkmark {
    box-shadow: var(--ring);
}

.input-with-button {
    gap: var(--space-2);
}

.input-with-button input {
    min-width: 0;
}

.input-with-button .btn {
    white-space: nowrap;
}

.captcha-img {
    flex: none;
    height: 40px;
    max-width: 120px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* ========== 按钮 ========== */
.btn {
    min-height: 40px;
    padding: 9px 18px;
    font-size: var(--text-base);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: background-color var(--dur) var(--ease),
                border-color var(--dur) var(--ease),
                color var(--dur) var(--ease),
                box-shadow var(--dur) var(--ease),
                transform var(--dur-fast) var(--ease);
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), var(--shadow-sm);
}

.btn-primary:hover {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), var(--shadow);
}

.btn-primary:active {
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-primary:disabled,
.btn-primary[aria-disabled="true"] {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border);
    color: var(--color-text-subtle);
    box-shadow: none;
    opacity: 1;
}

.btn-secondary {
    background: var(--color-bg-tertiary);
}

.btn-secondary:hover {
    background: var(--color-border);
}

.btn-sm {
    min-height: 32px;
    padding: 5px 12px;
    font-size: var(--text-xs);
}

.btn-block {
    min-height: 46px;
    font-size: var(--text-md);
    font-weight: 600;
}

/* ========== 全站背景 ========== */
.site-sky {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
    user-select: none;
    background:
        radial-gradient(880px 460px at 50% -10%, var(--sky-glow-top), transparent 70%),
        radial-gradient(760px 440px at 92% 4%, var(--sky-glow-corner), transparent 72%),
        radial-gradient(680px 380px at 6% 98%, var(--sky-glow-bottom), transparent 72%);
}

.main,
.footer {
    position: relative;
    z-index: 1;
}

.site-sky__scene {
    display: block;
    width: 100%;
    height: 100%;
}

.site-boat {
    position: absolute;
    left: clamp(24px, 5vw, 72px);
    bottom: clamp(24px, 8vh, 72px);
    width: 84px;
    height: auto;
    opacity: 0;
    transition: opacity 0.35s ease;
}

body:has(.auth-container) .site-boat {
    opacity: 0.32;
}

.site-sky__orbits,
.site-sky__lines {
    fill: none;
    stroke: var(--sky-line);
    transition: stroke 0.35s ease;
}

.site-sky__stars {
    fill: var(--sky-star);
    transition: fill 0.35s ease;
}

.site-sky__horizon {
    fill: none;
    stroke: url(#site-sky-horizon);
}

.site-sky__fade-0,
.site-sky__fade-1 {
    transition: stop-color 0.35s ease;
}

.site-sky__fade-0 {
    stop-color: var(--sky-line);
    stop-opacity: 0;
}

.site-sky__fade-1 {
    stop-color: var(--sky-line);
    stop-opacity: 0.5;
}

.site-sky__boat {
    fill: none;
    stroke: var(--sky-line);
    stroke-width: 1.2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: stroke 0.35s ease;
}

.site-sky__twinkle {
    animation: site-sky-twinkle 8s ease-in-out infinite;
}

.site-sky__twinkle--b {
    animation-duration: 10s;
    animation-delay: -3.5s;
}

.site-sky__twinkle--c {
    animation-duration: 12s;
    animation-delay: -7s;
}

@keyframes site-sky-twinkle {
    0%, 100% { opacity: 0.22; }
    50% { opacity: 0.62; }
}

/* ========== 认证页 ========== */
.auth-container {
    flex: 1;
    align-self: stretch;
    align-items: center;
    min-height: 0;
    padding: clamp(24px, 6vh, 64px) var(--space-6);
}

.auth-card {
    position: relative;
    z-index: 1;
    max-width: 440px;
    padding: clamp(24px, 4vw, 40px);
    border-radius: var(--radius-xl);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04),
                0 24px 64px -24px rgba(0, 0, 0, 0.7);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    animation: ui-rise var(--dur-slow) var(--ease-out) both;
}

.auth-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 22%;
    right: 22%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(127, 179, 255, 0.52), transparent);
    pointer-events: none;
}

[data-theme="light"] .auth-card {
    box-shadow: inset 0 1px 0 #fff,
                0 24px 56px -28px rgba(31, 35, 40, 0.28);
}

.auth-card--wide {
    max-width: 520px;
}

.auth-card--2fa {
    max-width: 480px;
}

.activate-info {
    border-radius: var(--radius-md);
}

.auth-header {
    margin-bottom: 28px;
}

.auth-header h1 {
    font-size: var(--text-2xl);
    line-height: 1.22;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

.auth-header p {
    margin-top: var(--space-2);
    font-size: var(--text-base);
    line-height: 1.6;
}

.auth-logo {
    margin-bottom: var(--space-3);
    line-height: 0;
}

.auth-logo img {
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 6px 18px var(--auth-logo-glow));
}

.auth-form {
    gap: var(--space-4);
}

.auth-footer {
    margin-top: var(--space-6);
    padding-top: var(--space-5);
    font-size: var(--text-base);
}

.auth-footer > p + p {
    margin-top: var(--space-3);
}

.auth-footer__note {
    margin-top: var(--space-3);
    font-size: var(--text-xs);
    line-height: 1.7;
    color: var(--color-text-subtle);
}

.auth-footer__note a {
    color: var(--color-text-muted);
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-color: var(--color-border-hover);
}

.auth-footer__note a:hover {
    color: var(--color-primary);
    text-decoration-color: currentColor;
}

.auth-legal {
    margin-top: var(--space-5);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    font-size: var(--text-xs);
    line-height: 1.75;
    color: var(--color-text-subtle);
}

.auth-legal p {
    text-wrap: pretty;
}

.auth-legal p + p {
    margin-top: 6px;
}

.auth-legal a {
    color: var(--color-text-muted);
    white-space: nowrap;
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-color: var(--color-border-hover);
}

.auth-legal a:hover {
    color: var(--color-primary);
    text-decoration-color: currentColor;
}

@keyframes ui-rise {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

/* ========== 登录页 ========== */
.login-switch-hint {
    margin: -4px 0 var(--space-5);
    padding: 10px 12px;
    border-left: 2px solid var(--color-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: var(--color-primary-light);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.login-primary {
    margin-bottom: var(--space-5);
}

.login-tried {
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
}

.login-tried__item {
    min-height: 32px;
    padding: 4px 10px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-bg);
    transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.login-tried__item:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text);
}

.login-tried__retry {
    font-size: var(--text-2xs);
}

.login-more__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: var(--control-h);
    padding: 0 2px;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.login-more__toggle:hover {
    color: var(--color-text);
}

.login-more__toggle::after {
    content: '';
    width: 7px;
    height: 7px;
    margin-right: 6px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform var(--dur) var(--ease);
}

.login-more__toggle[aria-expanded="true"]::after {
    content: '';
    transform: rotate(-135deg) translateY(-2px);
}

.login-more__list {
    gap: var(--space-2);
    margin-top: var(--space-1);
}

.login-more__item {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 8px 14px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.login-more__item:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text);
}

.login-link-btn {
    font-size: var(--text-sm);
    line-height: 1.5;
}

.login-account-pick {
    border-radius: var(--radius-md);
    background: var(--color-bg);
}

.login-account-pick__item {
    min-height: 48px;
    border-radius: var(--radius-sm);
    transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.login-account-pick__item:hover {
    background: var(--color-bg-secondary);
}

.login-account-pick__item:focus-visible {
    border-color: var(--color-primary);
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ========== 两步验证 ========== */
.factor-select {
    gap: 10px;
}

.factor-option {
    position: relative;
    border-radius: var(--radius-md);
    transition: border-color var(--dur) var(--ease),
                background-color var(--dur) var(--ease),
                box-shadow var(--dur) var(--ease);
}

.factor-option input[type="radio"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.factor-option:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-tertiary);
}

.factor-option.selected {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    box-shadow: inset 0 0 0 1px var(--color-primary);
}

.factor-option:has(input:focus-visible) {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.factor-option .factor-icon {
    display: flex;
    color: var(--color-text-muted);
}

.factor-option.selected .factor-icon {
    color: var(--color-primary);
}

/* ========== 移动端 ========== */
@media (max-width: 640px) {
    .site-boat {
        display: none;
    }

    .auth-container {
        padding: var(--space-5) var(--space-4) var(--space-8);
        align-items: flex-start;
    }

    .auth-card {
        padding: var(--space-6) var(--space-5);
        border-radius: var(--radius-lg);
    }

    .auth-card--wide,
    .auth-card--2fa {
        padding: var(--space-6) var(--space-4);
    }

    .auth-header {
        margin-bottom: var(--space-5);
    }

    .auth-header h1 {
        font-size: 22px;
    }

    .form-group input:not([type="checkbox"]):not([type="radio"]),
    .form-group textarea,
    .form-group select {
        font-size: 16px;
    }

    .btn {
        min-height: 44px;
    }

    .btn-sm {
        min-height: 32px;
    }

    .btn-block {
        min-height: 48px;
    }

    .input-with-button .btn {
        min-width: 0;
        padding-inline: 12px;
    }

    .input-with-button:has(.captcha-img) {
        flex-direction: row;
    }

    .login-more__item {
        min-height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .auth-card {
        animation: none;
    }
}

/* ========== 微交互打磨（2026-11-05） ========== */
/* 应用区区块的轻入场：一次性的位移+淡入，节奏拉齐不抢戏；
   reduced-motion 由文件末尾的全局规则整体关掉 */
.main .settings-section,
.main .dashboard-section,
.main .open-section {
    animation: ui-rise var(--dur-slow) var(--ease-out) both;
}

.main .settings-section:nth-of-type(2),
.main .dashboard-section:nth-of-type(2),
.main .open-section:nth-of-type(2) {
    animation-delay: 45ms;
}

.main .settings-section:nth-of-type(3),
.main .dashboard-section:nth-of-type(3),
.main .open-section:nth-of-type(3) {
    animation-delay: 90ms;
}

.main .settings-section:nth-of-type(n + 4),
.main .dashboard-section:nth-of-type(n + 4),
.main .open-section:nth-of-type(n + 4) {
    animation-delay: 130ms;
}

/* 可点卡片悬停微抬升：位移只有 1px，跟卡片既有的边框/阴影过渡叠加 */
.app-card--link:hover,
.notif-item:hover {
    transform: translateY(-1px);
}

.notif-item {
    transition: transform var(--dur-fast) var(--ease),
                border-color var(--dur) var(--ease),
                box-shadow var(--dur) var(--ease);
}

/* 打印恢复码时只留码区（旧规则在 style.css，间距沿用 ui token） */
@media print {
    .main .settings-section,
    .main .dashboard-section {
        animation: none;
    }
}

/* ========== 特殊页面 ========== */
.special-page {
    padding-top: var(--space-10);
    padding-bottom: var(--space-12);
}

.special-page__title {
    margin: 0 0 var(--space-8);
    font-size: var(--text-2xl);
    font-weight: 600;
}

.special-page h2 {
    margin: var(--space-10) 0 var(--space-3);
    font-size: var(--text-xl);
    font-weight: 600;
}

.special-page h3 {
    margin: var(--space-6) 0 var(--space-2);
    font-size: var(--text-md);
    font-weight: 600;
}

.special-page p {
    margin: 0 0 var(--space-3);
    line-height: 1.75;
    color: var(--color-text);
}

.special-page a {
    color: var(--color-primary);
    text-decoration: none;
}

.special-page a:hover {
    text-decoration: underline;
}

.special-table-wrap {
    margin-bottom: var(--space-4);
    overflow-x: auto;
}

.special-table--wide {
    min-width: 640px;
}

.special-page .table th {
    text-transform: none;
    letter-spacing: 0;
    white-space: nowrap;
}

.special-page .table td {
    vertical-align: top;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.special-page .table td:first-child {
    white-space: nowrap;
}

.special-license {
    margin: 0;
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    line-height: 1.7;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

@media (max-width: 720px) {
    .special-page {
        padding-top: var(--space-6);
        padding-bottom: var(--space-10);
    }

    .special-page h2 {
        margin-top: var(--space-8);
    }

    .special-page .table th,
    .special-page .table td {
        padding: 10px;
        font-size: var(--text-sm);
    }
}