/* ==========================================================================
   哈基米加密器 - 样式
   设计令牌 + 单一粉色 accent（pink-500 仅供装饰，pink-600+ 才承载文字）
   ========================================================================== */

/* ---- 展示字体：ZCOOL KuaiLe（自托管，OFL 协议） ---- */
@font-face {
    font-family: 'ZCOOL KuaiLe';
    src: url('../resources/fonts/zcool-kuaile-chinese-simplified-400-normal.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
    unicode-range: U+4E00-9FFF, U+3000-303F, U+FF00-FFEF;
}
@font-face {
    font-family: 'ZCOOL KuaiLe';
    src: url('../resources/fonts/zcool-kuaile-latin-400-normal.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
    unicode-range: U+0000-00FF;
}

/* ---- 设计令牌：浅色（默认） ---- */
:root {
    /* 颜色 */
    --color-page-bg: #F7F5F6;
    --color-surface: #FDFCFC;
    --color-surface-elevated: #F1EEF0;
    --color-border: #E5DFE2;
    --color-ink: #2B2729;
    --color-text-primary: #2B2729;
    --color-text-secondary: #6E6870;
    --color-text-placeholder: #78707C;
    --color-pink-50: #FFF0F5;
    --color-pink-100: #FFE0EA;
    --color-pink-200: #FFC2D6;
    --color-pink-300: #FF9DBC;
    --color-pink-400: #FF7DA8;
    --color-pink-500: #FF6699; /* 装饰专用：图标、focus、tagline，其上不压文字 */
    --color-pink-600: #C93A6B; /* 实心按钮底（白字 4.9:1 达标） */
    --color-pink-700: #B02E5B;
    --color-pink-800: #A02A56;
    --color-focus-ring: rgb(255 102 153 / 0.22);
    --color-shadow: rgb(43 39 41 / 0.10);
    --color-toast-text: #FFFBFD;
    /* 圆角 */
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-pill: 999px;
    /* 间距 */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    /* 阴影（着色，非纯黑） */
    --shadow-sm: 0 1px 2px var(--color-shadow);
    --shadow-md: 0 4px 16px var(--color-shadow);
    --shadow-lg: 0 12px 32px var(--color-shadow);
    /* 动效 */
    --dur-fast: 140ms;
    --dur-base: 220ms;
    --dur-slow: 400ms;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    /* 字体 */
    --font-display: 'ZCOOL KuaiLe', 'Yuanti SC', 'YouYuan', 'Microsoft YaHei', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB',
        'MiSans', 'HarmonyOS Sans SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
}

/* 深色：跟随系统（手动 data-theme="light" 时禁用） */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-page-bg: #171417;
        --color-surface: #211D22;
        --color-surface-elevated: #2A252C;
        --color-border: #3A343B;
        --color-ink: #F2EDF0;
        --color-text-primary: #F2EDF0;
        --color-text-secondary: #C7BEC6;
        --color-text-placeholder: #A79DA8;
        --color-pink-50: #3A2430;
        --color-pink-100: #4A2A3A;
        --color-pink-200: #6E3549;
        --color-pink-300: #FF9DBC;
        --color-pink-400: #FF7DA8;
        --color-pink-500: #FF6699;
        --color-pink-600: #C93A6B;
        --color-pink-700: #B02E5B;
        --color-pink-800: #FFB8CF;
        --color-focus-ring: rgb(255 157 188 / 0.25);
        --color-shadow: rgb(0 0 0 / 0.45);
        --color-toast-text: #2B2729;
    }
}

/* 深色：手动强制（覆盖系统偏好） */
:root[data-theme="dark"] {
    --color-page-bg: #171417;
    --color-surface: #211D22;
    --color-surface-elevated: #2A252C;
    --color-border: #3A343B;
    --color-ink: #F2EDF0;
    --color-text-primary: #F2EDF0;
    --color-text-secondary: #C7BEC6;
    --color-text-placeholder: #A79DA8;
    --color-pink-50: #3A2430;
    --color-pink-100: #4A2A3A;
    --color-pink-200: #6E3549;
    --color-pink-300: #FF9DBC;
    --color-pink-400: #FF7DA8;
    --color-pink-500: #FF6699;
    --color-pink-600: #C93A6B;
    --color-pink-700: #B02E5B;
    --color-pink-800: #FFB8CF;
    --color-focus-ring: rgb(255 157 188 / 0.25);
    --color-shadow: rgb(0 0 0 / 0.45);
    --color-toast-text: #2B2729;
}

/* ---- 重置与基础 ---- */
*, *::before, *::after {
    box-sizing: border-box;
}
html {
    min-height: 100dvh;
}
body {
    margin: 0;
    min-height: 100dvh;
    font-family: var(--font-body);
    background-color: var(--color-page-bg);
    color: var(--color-text-primary);
    position: relative;
    z-index: 0;
    overflow-x: hidden;
}
::selection {
    background: var(--color-pink-200);
    color: var(--color-ink);
}

/* 主卡片背后的品牌柔光 */
.wrapper::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(60% 45% at 50% 0%, rgb(255 102 153 / 0.07), transparent 70%);
}

/* ---- 主题切换按钮 ---- */
.theme-toggle {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 60;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    color: var(--color-text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-bounce), box-shadow var(--dur-fast) var(--ease-out);
}
.theme-toggle:hover {
    color: var(--color-pink-500);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}
.theme-toggle:active {
    transform: scale(0.94);
}

/* ---- Hero ---- */
.hero {
    text-align: center;
    margin-bottom: var(--space-5);
}
.hero h1 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(1.7rem, 4.5vw, 2.3rem);
    line-height: 1.25;
    letter-spacing: 0.02em;
    margin: 0 0 var(--space-2);
    color: var(--color-text-primary);
}
.hero-tagline {
    font-family: var(--font-display);
    font-size: clamp(1rem, 2.5vw, 1.15rem);
    color: var(--color-pink-500);
    margin: 0;
    animation: sway 6s ease-in-out infinite;
}

/* ---- 布局：上下排版，两卡同宽 ---- */
.wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-5);
    padding: clamp(16px, 3vw, 32px);
}
.container,
.profile-card {
    width: 90%;
    max-width: 700px;
}
.container {
    min-width: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: clamp(20px, 3vw, 32px);
    box-shadow: var(--shadow-md);
    animation: rise-in var(--dur-slow) var(--ease-out) 120ms both;
}

/* ---- 区块标签 ---- */
.section-label {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 var(--space-2);
    color: var(--color-text-primary);
}

/* ---- 文本框 ---- */
.textarea-container {
    position: relative;
}
.textarea-container textarea {
    width: 100%;
    min-height: 180px;
    padding: 12px 88px 12px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.6;
    caret-color: var(--color-pink-500);
    resize: vertical;
    transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.textarea-container textarea::placeholder {
    color: var(--color-text-placeholder);
}
.textarea-container textarea:focus {
    border-color: var(--color-pink-500);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
    outline: none;
}
/* 加密成功时的输出框闪光 */
.textarea-container textarea.flash {
    border-color: var(--color-pink-500);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.copy-btn {
    position: absolute;
    top: 12px;
    right: 14px;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-bounce);
}
.copy-btn:hover {
    color: var(--color-pink-600);
    background: var(--color-pink-50);
}
.copy-btn:active {
    transform: scale(0.96);
}

.char-count {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    text-align: right;
    margin-top: 6px;
    min-height: 1em;
}

/* ---- 按钮家族 ---- */
.button-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-4) 0;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 28px;
    border-radius: var(--radius-pill);
    font-size: 1.05rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    border: 2px solid transparent;
    user-select: none;
    transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out),
        border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out),
        transform var(--dur-fast) var(--ease-bounce);
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn:active {
    transform: scale(0.97) translateY(1px);
    box-shadow: var(--shadow-sm);
}
.btn-primary {
    background: var(--color-pink-600);
    color: var(--color-toast-text);
}
.btn-primary:hover {
    background: var(--color-pink-700);
}
.btn-secondary {
    background: transparent;
    border-color: var(--color-pink-600);
    color: var(--color-pink-600);
}
.btn-secondary:hover {
    background: var(--color-pink-50);
}
.btn-ghost {
    background: transparent;
}
.btn-icon {
    padding: 10px;
    color: var(--color-text-secondary);
}
.btn-icon:hover {
    background: var(--color-surface-elevated);
    color: var(--color-pink-500);
    box-shadow: none;
}
.btn.is-busy {
    opacity: 0.75;
    cursor: progress;
    transform: none;
    box-shadow: none;
}

/* ---- 输入区 ---- */
.input-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
    margin: 0;
}
.input-block {
    display: grid;
    gap: var(--space-2);
    min-width: 0;
}
.input-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2);
}
.label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-primary);
}
.input-block input {
    width: 100%;
    min-width: 0;
    padding: 9px 12px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.input-block input::placeholder {
    color: var(--color-text-placeholder);
}
.input-block input:focus {
    border-color: var(--color-pink-500);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
    outline: none;
}
.icon {
    background: none;
    border: none;
    color: var(--color-pink-500);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-bounce);
}
.icon:hover {
    color: var(--color-pink-600);
    transform: scale(1.1);
}

/* ---- 错误框 ---- */
.error-box {
    display: none;
    margin: var(--space-4) 0 0;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background: var(--color-pink-50);
    border: 1px solid var(--color-pink-200);
    color: var(--color-pink-800);
    font-weight: 600;
    font-size: 0.95rem;
    word-break: break-word;
}
.error-box.show {
    display: block;
    animation: error-in var(--dur-base) var(--ease-out) both;
}

/* ---- Toast ---- */
.toast {
    display: none;
    position: fixed;
    right: 20px;
    bottom: 24px;
    z-index: 50;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius-pill);
    background: var(--color-ink);
    color: var(--color-toast-text);
    box-shadow: var(--shadow-lg);
    font-size: 0.95rem;
    font-family: var(--font-body);
}
.toast i {
    color: var(--color-pink-400);
}
.toast.show {
    display: flex;
    animation: toast-in var(--dur-slow) var(--ease-out), toast-out 400ms ease-in 2.4s both;
}

/* ---- 个人卡：横向布局（头像左，信息右） ---- */
.profile-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-5);
    text-align: left;
    animation: rise-in var(--dur-slow) var(--ease-out) both;
}
.avatar {
    width: 96px;
    height: 96px;
    flex-shrink: 0;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-pink-200);
    box-shadow: 0 0 0 4px var(--color-surface), 0 4px 14px var(--color-shadow);
}
.profile-info {
    flex: 1;
    min-width: 0;
}
.profile-info h2 {
    margin: 0 0 var(--space-2);
    font-size: 1.35rem;
    color: var(--color-text-primary);
}
.profile-info p {
    margin: 0 0 var(--space-2);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}
.profile-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-top: var(--space-2);
}
.open-source-icon {
    max-width: 150px;
    height: auto;
    opacity: 0.92;
    transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-bounce);
}
.open-source-icon:hover {
    opacity: 1;
    transform: scale(1.03);
}
.social-icons {
    display: flex;
    gap: var(--space-3);
}
.social-icons a {
    font-size: 1.35rem;
    color: var(--color-text-secondary);
    transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-bounce);
}
.social-icons a:hover {
    color: var(--color-pink-500);
    transform: translateY(-2px);
}

/* ---- 立绘背景面板（随机选图逻辑在 JS，这里只做呈现） ---- */
body::before,
body::after {
    content: '';
    position: fixed;
    top: 16px;
    bottom: 16px;
    width: clamp(120px, 16vw, 240px);
    z-index: -1;
    border-radius: var(--radius-lg);
    border: 1px solid rgb(255 255 255 / 0.25);
    box-shadow: var(--shadow-md);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    animation: panel-in 600ms var(--ease-out) both;
}
body::before {
    left: 16px;
    background-image:
        linear-gradient(to right, var(--color-page-bg) 0%, transparent 22%),
        var(--left-bg-image);
    background-size: 100% 100%, cover;
    mask-image: linear-gradient(to right, black 55%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, black 55%, transparent 100%);
}
body::after {
    right: 16px;
    background-image:
        linear-gradient(to left, var(--color-page-bg) 0%, transparent 22%),
        var(--right-bg-image);
    background-size: 100% 100%, cover;
    mask-image: linear-gradient(to left, black 55%, transparent 100%);
    -webkit-mask-image: linear-gradient(to left, black 55%, transparent 100%);
}
@media (prefers-color-scheme: dark) {
    body::before,
    body::after {
        filter: brightness(0.78) saturate(1.05);
        border-color: rgb(255 255 255 / 0.08);
    }
}

/* ---- 焦点样式 ---- */
:focus-visible {
    outline: 2px solid var(--color-pink-500);
    outline-offset: 2px;
}

/* ---- 动画关键帧 ---- */
@keyframes rise-in {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: none; }
}
@keyframes panel-in {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: none; }
}
@keyframes toast-in {
    from { opacity: 0; transform: translateY(12px) scale(0.96); }
    to { opacity: 1; transform: none; }
}
@keyframes toast-out {
    from { opacity: 1; }
    to { opacity: 0; transform: translateY(8px); }
}
@keyframes error-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: none; }
}
@keyframes sway {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* ---- 减弱动效 ---- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .hero-tagline {
        animation: none;
    }
}

/* ---- 响应式 ---- */
@media (max-width: 800px) {
    /* 隐藏立绘面板 */
    body::before,
    body::after {
        display: none;
    }
}
@media (max-width: 600px) {
    .input-group {
        grid-template-columns: 1fr;
    }
    .button-group {
        gap: var(--space-2);
    }
    .btn {
        padding: 10px 20px;
    }
    .textarea-container textarea {
        min-height: 160px;
        padding-right: 14px;
    }
    .copy-btn {
        position: static;
        display: block;
        width: 100%;
        margin-top: var(--space-2);
        text-align: center;
    }
    .container {
        padding: 16px;
    }
    /* 个人卡纵向堆叠并居中 */
    .profile-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    .profile-links {
        justify-content: center;
    }
    .theme-toggle {
        top: 12px;
        right: 12px;
    }
}