/* ============================================================
   秋裤的工具箱 · 统一设计系统 (Aurora Light Theme)
   ------------------------------------------------------------
   全站共享：设计令牌 + 通用组件（导航栏 / 卡片 / 按钮 / 输入框 /
   上传区 / 状态条 / 进度条 / 弹窗 / 移动端导航）
   仅样式，不包含任何行为逻辑。
   ============================================================ */

:root {
    /* —— 色彩令牌 —— */
    --bg: #f4f5fb;
    --surface: #ffffff;
    --surface-2: #f8f9fe;
    --surface-3: #f1f3fa;

    --text: #1e2433;
    --text-2: #5b6478;
    --text-3: #98a1b3;

    --border: #e6e9f4;
    --border-strong: #d4d9ea;

    --brand: #6366f1;
    --brand-2: #8b5cf6;
    --brand-deep: #4f46e5;
    --brand-grad: linear-gradient(135deg, #6366f1, #8b5cf6);
    --brand-soft: #eef0fe;
    --brand-soft-2: #e3e6fd;

    --success: #10b981;
    --success-deep: #059669;
    --success-grad: linear-gradient(135deg, #10b981, #14b8a6);
    --success-soft: #e7f8f1;
    --success-text: #0c7a57;

    --warning: #f59e0b;
    --warning-soft: #fdf3e0;
    --warning-text: #92600a;

    --danger: #ef4444;
    --danger-grad: linear-gradient(135deg, #f43f5e, #fb7185);
    --danger-soft: #fdeaec;
    --danger-text: #b91c3c;

    --cta: #f43f5e;

    /* —— 圆角 —— */
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --radius-pill: 999px;

    /* —— 阴影 —— */
    --shadow-sm: 0 1px 3px rgba(20, 24, 52, 0.06), 0 1px 2px rgba(20, 24, 52, 0.04);
    --shadow-md: 0 6px 24px rgba(20, 24, 52, 0.08);
    --shadow-lg: 0 16px 48px rgba(20, 24, 52, 0.14);
    --shadow-brand: 0 6px 18px rgba(99, 102, 241, 0.32);
    --shadow-brand-lg: 0 10px 26px rgba(99, 102, 241, 0.42);
    --shadow-success: 0 6px 18px rgba(16, 185, 129, 0.3);
    --shadow-danger: 0 6px 18px rgba(244, 63, 94, 0.3);

    /* —— 焦点环 —— */
    --ring: 0 0 0 4px rgba(99, 102, 241, 0.16);

    /* —— 字体 —— */
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

    /* —— 动效 —— */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   基础
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font);
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    background-image:
        radial-gradient(900px 480px at 8% -10%, rgba(99, 102, 241, 0.13), transparent 60%),
        radial-gradient(820px 460px at 96% 0%, rgba(139, 92, 246, 0.11), transparent 60%),
        radial-gradient(900px 600px at 50% 115%, rgba(20, 184, 166, 0.08), transparent 60%);
    background-attachment: fixed;
    min-height: 100vh;
    padding: 24px;
    padding-top: 104px;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

::selection {
    background: rgba(99, 102, 241, 0.18);
}

/* 全局滚动条 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #c9cede;
    border-radius: 8px;
    border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
    background: #aab1c7;
}

/* ============================================================
   导航栏
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    box-shadow: 0 1px 14px rgba(20, 24, 52, 0.06);
    z-index: 999;
    padding: 12px 0;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
}

.navbar-logo {
    height: 40px;
    width: auto;
    flex-shrink: 0;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 0;
}

.navbar-menu-label {
    color: var(--text-2);
    font-size: 0.88em;
    font-weight: 600;
    margin-right: 5px;
    white-space: nowrap;
    background: var(--brand-soft);
    border: 1px solid var(--brand-soft-2);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
}

/* —— 下拉菜单 —— */
.navbar-dropdown {
    position: relative;
}

.navbar-dropdown-toggle {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95em;
    padding: 9px 18px;
    border-radius: var(--radius-pill);
    transition: all 0.25s var(--ease);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    background: var(--brand-grad);
    color: #fff;
    box-shadow: var(--shadow-brand);
}

.navbar-dropdown-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand-lg);
}

.navbar-dropdown-toggle::after {
    content: '▾';
    font-size: 0.85em;
    transition: transform 0.25s var(--ease);
}

.navbar-dropdown:hover .navbar-dropdown-toggle::after {
    transform: rotate(180deg);
}

.navbar-dropdown-menu {
    position: absolute;
    top: 120%;
    left: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.25s var(--ease);
    min-width: 210px;
    overflow: hidden;
    z-index: 1000;
    padding: 6px;
}

.navbar-dropdown:hover .navbar-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar-dropdown-menu a {
    display: block;
    padding: 10px 16px;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.93em;
    transition: all 0.18s var(--ease);
    border-radius: var(--radius-sm);
    border-bottom: none;
}

.navbar-dropdown-menu a:hover {
    background: var(--brand-soft);
    color: var(--brand-deep);
    padding-left: 22px;
}

.navbar-dropdown-menu a.active {
    background: var(--brand-grad);
    color: #fff;
}

.navbar-dropdown-menu a.active:hover {
    padding-left: 22px;
}

/* —— 普通导航链接 —— */
.navbar-nav a:not(.navbar-dropdown-toggle):not(.navbar-buy-btn) {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 0.95em;
    padding: 9px 16px;
    border-radius: var(--radius-pill);
    transition: all 0.25s var(--ease);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    display: block;
}

.navbar-nav a:not(.navbar-dropdown-toggle):not(.navbar-buy-btn):hover {
    color: var(--brand-deep);
    background: var(--brand-soft);
    transform: translateY(-2px);
}

.navbar-nav a.active:not(.navbar-dropdown-toggle):not(.navbar-buy-btn) {
    background: var(--brand-grad);
    color: #fff;
    box-shadow: var(--shadow-brand);
}

.navbar-nav a.active:not(.navbar-dropdown-toggle):not(.navbar-buy-btn):hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand-lg);
}

/* —— 购买按钮 / 工作台按钮 —— */
.navbar-buy-wrapper {
    position: relative;
    display: inline-block;
}

.navbar-buy-btn {
    text-decoration: none;
    color: #fff;
    font-weight: 600;
    font-size: 0.95em;
    padding: 9px 18px;
    border-radius: var(--radius-pill);
    transition: all 0.25s var(--ease);
    white-space: nowrap;
    display: block;
    background: var(--danger-grad);
    box-shadow: var(--shadow-danger);
}

.navbar-buy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(244, 63, 94, 0.42);
}

.navbar-workspace-btn {
    text-decoration: none;
    color: #fff;
    font-weight: 600;
    font-size: 0.95em;
    padding: 9px 18px;
    border-radius: var(--radius-pill);
    transition: all 0.25s var(--ease);
    white-space: nowrap;
    display: block;
    background: linear-gradient(135deg, #0ea5e9, #6366f1);
    box-shadow: 0 6px 18px rgba(14, 165, 233, 0.32);
}

.navbar-workspace-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(14, 165, 233, 0.42);
}

.navbar-qr-popup {
    position: absolute;
    top: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    padding: 15px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s var(--ease);
    z-index: 1000;
    min-width: 200px;
    text-align: center;
}

.navbar-qr-popup::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid #fff;
}

.navbar-buy-wrapper:hover .navbar-qr-popup {
    opacity: 1;
    visibility: visible;
    top: 110%;
}

.navbar-qr-popup img {
    width: 150px;
    height: 150px;
    display: block;
    margin: 0 auto 10px;
    border-radius: var(--radius-sm);
}

.navbar-qr-popup p {
    margin: 0;
    color: var(--text-2);
    font-size: 0.9em;
}

.navbar-contact {
    color: var(--text-2);
    font-size: 0.9em;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
}

.navbar-toggler {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.navbar-toggler span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text);
    border-radius: 3px;
    margin: 5px 0;
    transition: all 0.3s ease-in-out;
}

/* ============================================================
   免责声明弹窗
   ============================================================ */
#disclaimer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(18, 20, 38, 0.55);
    z-index: 5000;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 16px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

#disclaimer-modal {
    background: var(--surface);
    padding: 32px 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    max-width: 520px;
    width: 90%;
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - 32px);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    text-align: left;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.96);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

#disclaimer-modal h2 {
    text-align: center;
    color: var(--brand-deep);
    margin-bottom: 20px;
    font-size: 1.6em;
    font-weight: 700;
}

#disclaimer-modal p {
    margin-bottom: 14px;
    color: var(--text-2);
    font-size: 0.95em;
    line-height: 1.75;
}

#disclaimer-modal strong {
    color: var(--text);
}

#disclaimer-modal hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 16px 0;
}

#disclaimer-modal blockquote {
    background: var(--brand-soft);
    border-left: 4px solid var(--brand);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin: 14px 0;
}

#disclaimer-modal blockquote p {
    margin: 0;
}

#disclaimer-modal .actions {
    text-align: center;
    margin-top: 24px;
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    position: sticky;
    bottom: -1px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), #fff 28%);
    padding-top: 14px;
    padding-bottom: 2px;
}

#accept-disclaimer,
#accept-today-disclaimer,
#buy-key-btn {
    color: #fff;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-size: 0.98em;
    font-weight: 600;
    transition: all 0.25s var(--ease);
    min-width: 140px;
    position: relative;
}

#accept-disclaimer {
    background: var(--success-grad);
    box-shadow: var(--shadow-success);
}

#accept-disclaimer:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(16, 185, 129, 0.42);
}

#accept-today-disclaimer {
    background: var(--brand-grad);
    box-shadow: var(--shadow-brand);
}

#accept-today-disclaimer:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand-lg);
}

#buy-key-btn {
    background: var(--danger-grad);
    box-shadow: var(--shadow-danger);
}

#buy-key-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(244, 63, 94, 0.42);
}

/* —— 二维码弹出框 —— */
.qr-popup {
    position: absolute;
    top: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s var(--ease);
    z-index: 1001;
    min-width: 220px;
}

.qr-popup::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #fff;
}

.qr-popup.show {
    opacity: 1;
    visibility: visible;
    top: 110%;
}

.qr-popup img {
    width: 180px;
    height: 180px;
    display: block;
    margin: 0 auto 15px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.qr-popup p {
    margin: 0;
    color: var(--text-2);
    font-size: 0.95em;
    text-align: center;
    font-weight: 500;
}

.buy-key-wrapper {
    position: relative;
    display: inline-block;
}

/* ============================================================
   主容器与标题
   ============================================================ */
.container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--surface);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(99, 102, 241, 0.08);
    box-shadow: var(--shadow-md);
    transition: filter 0.3s ease;
}

.header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    color: var(--brand);
    font-size: 2.2em;
    margin-bottom: 10px;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--brand-grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-2);
    font-size: 1.1em;
    margin-bottom: 20px;
}

/* ============================================================
   上传区域
   ============================================================ */
.upload-area {
    background: var(--surface-2);
    border: 2px dashed var(--brand-soft-2);
    border-radius: var(--radius-md);
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 30px;
    transition: all 0.25s var(--ease);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--brand);
    background: var(--brand-soft);
    transform: translateY(-2px);
}

.upload-area.dragover {
    border-color: var(--success);
    background: var(--success-soft);
}

.upload-icon {
    font-size: 3em;
    color: var(--brand);
    margin-bottom: 20px;
}

.upload-text {
    font-size: 1.05em;
    color: var(--text-2);
    margin-bottom: 15px;
}

.file-info {
    color: var(--text-3);
    font-size: 0.9em;
}

.file-input-label {
    display: inline-block;
    background: var(--brand-grad);
    color: #fff;
    padding: 13px 28px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-size: 1.05em;
    font-weight: 600;
    transition: all 0.25s var(--ease);
    box-shadow: var(--shadow-brand);
}

.file-input-label:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand-lg);
}

input[type="file"] {
    display: none;
}

.selected-file {
    background: var(--success-soft);
    border: 1px solid rgba(16, 185, 129, 0.35);
    border-radius: var(--radius-sm);
    padding: 15px;
    margin: 15px 0;
    display: none;
    width: 100%;
    box-shadow: var(--shadow-sm);
}

.selected-file.show {
    display: block;
    animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.selected-file-name {
    font-weight: 600;
    color: var(--success-text);
    margin-bottom: 5px;
}

.selected-file-size {
    color: var(--text-2);
    font-size: 0.9em;
}

/* ============================================================
   卡密输入
   ============================================================ */
.key-input-area {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0;
}

#card-key-input {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 1.05em;
    text-align: center;
    transition: all 0.25s var(--ease);
    background: var(--surface);
    color: var(--text);
    font-family: var(--font);
}

#card-key-input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: var(--ring);
}

#key-status {
    text-align: center;
    font-weight: 600;
    padding: 10px;
    border-radius: var(--radius-sm);
    min-height: 20px;
    transition: all 0.25s var(--ease);
}

#key-status.valid {
    color: var(--success-text);
    background: var(--success-soft);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

#key-status.invalid {
    color: var(--danger-text);
    background: var(--danger-soft);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ============================================================
   格式选择
   ============================================================ */
.format-selection {
    width: 100%;
    padding: 20px;
    background: var(--surface-2);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin: 20px 0;
    box-shadow: var(--shadow-sm);
}

.format-selection legend {
    font-weight: 600;
    color: var(--text-2);
    margin-right: 15px;
}

.format-selection input[type="radio"] {
    display: none;
}

.format-selection label {
    cursor: pointer;
    padding: 10px 20px;
    border-radius: var(--radius-pill);
    border: 2px solid var(--border-strong);
    color: var(--text-2);
    font-weight: 500;
    transition: all 0.25s var(--ease);
    background: var(--surface);
}

.format-selection input[type="radio"]:checked+label {
    background: var(--brand-grad);
    color: #fff;
    border-color: var(--brand);
    box-shadow: var(--shadow-brand);
    transform: translateY(-2px);
}

/* ============================================================
   按钮
   ============================================================ */
.button,
button {
    background: var(--brand-grad);
    color: #fff;
    padding: 14px 36px;
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-size: 1.05em;
    font-weight: 600;
    font-family: var(--font);
    transition: all 0.25s var(--ease);
    box-shadow: var(--shadow-brand);
    min-width: 200px;
}

.button {
    display: block;
    margin: 20px auto;
}

button:hover:not(:disabled),
.button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand-lg);
}

button:active:not(:disabled) {
    transform: translateY(0);
}

button:disabled {
    background: linear-gradient(135deg, #c3c8d8, #aab1c4);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ============================================================
   状态显示
   ============================================================ */
#status {
    margin-top: 30px;
    padding: 18px 20px;
    background: var(--surface-2);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    font-size: 1.05em;
    border-left: 5px solid var(--brand);
    box-shadow: var(--shadow-sm);
    transition: all 0.25s var(--ease);
}

#status.processing {
    background: var(--warning-soft);
    border-left-color: var(--warning);
    color: var(--warning-text);
}

#status.completed {
    background: var(--success-soft);
    border-left-color: var(--success);
    color: var(--success-text);
}

#status.error {
    background: var(--danger-soft);
    border-left-color: var(--danger);
    color: var(--danger-text);
}

/* ============================================================
   结果下载
   ============================================================ */
#result {
    margin-top: 25px;
    text-align: center;
}

#result a {
    display: inline-block;
    background: var(--success-grad);
    color: #fff;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: var(--radius-pill);
    font-size: 1.05em;
    font-weight: 600;
    transition: all 0.25s var(--ease);
    box-shadow: var(--shadow-success);
}

#result a:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(16, 185, 129, 0.42);
}

/* ============================================================
   加载动画 & 进度条
   ============================================================ */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(99, 102, 241, 0.18);
    border-top: 3px solid var(--brand);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--surface-3);
    border-radius: 4px;
    margin: 15px 0;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(20, 24, 52, 0.08);
}

.progress-fill {
    height: 100%;
    background: var(--brand-grad);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(99, 102, 241, 0.3);
}

/* ============================================================
   响应式 — 平板与移动端（保持与原 JS 行为完全兼容）
   ============================================================ */
@media (max-width: 1200px) {
    .navbar-container {
        max-width: 95%;
    }

    .navbar-nav {
        gap: 10px;
    }

    .navbar-nav a {
        font-size: 0.95em;
        padding: 8px 14px;
    }
}

@media (max-width: 1024px) {
    body {
        padding-top: 84px;
    }

    body.nav-open {
        overflow: hidden;
    }

    .navbar {
        padding: 10px 0;
        z-index: 3000;
    }

    .navbar-menu-label {
        margin: 5px 0;
        width: 100%;
        text-align: center;
    }

    .navbar-container {
        flex-wrap: nowrap;
        width: 100%;
        max-width: 100%;
        padding: 0 64px 0 14px;
        position: relative;
    }

    .navbar-logo {
        max-width: 100%;
        height: auto;
        max-height: 44px;
        object-fit: contain;
        order: 1;
    }

    .navbar-toggler {
        display: flex !important;
        order: 3;
        position: fixed !important;
        top: 13px !important;
        right: 14px !important;
        transform: none !important;
        flex: 0 0 auto;
        width: 44px !important;
        min-width: 44px !important;
        height: 44px !important;
        margin: 0 !important;
        padding: 0 !important;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.96) !important;
        border: 1px solid rgba(20, 24, 52, 0.08) !important;
        border-radius: 12px !important;
        box-shadow: 0 4px 16px rgba(20, 24, 52, 0.14) !important;
        z-index: 4000 !important;
    }

    .navbar-toggler:hover:not(:disabled) {
        transform: none !important;
        box-shadow: 0 4px 16px rgba(20, 24, 52, 0.14) !important;
    }

    .navbar-toggler span {
        display: block !important;
        width: 24px !important;
        height: 3px !important;
        margin: 3px 0 !important;
        background: var(--text) !important;
        border-radius: 3px !important;
        opacity: 1;
    }

    .navbar-toggler.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .navbar-toggler.active span:nth-child(2) {
        opacity: 0;
    }

    .navbar-toggler.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .navbar-nav {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        width: auto;
        max-width: none;
        min-width: 0;
        height: calc(100vh - 70px);
        height: calc(100dvh - 70px);
        flex: none;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        flex-direction: column;
        flex-wrap: nowrap;
        padding: 12px 12px calc(24px + env(safe-area-inset-bottom));
        box-shadow: 0 10px 20px rgba(20, 24, 52, 0.1);
        border-top: 1px solid var(--border);
        gap: 8px;
        max-height: calc(100vh - 70px);
        max-height: calc(100dvh - 70px);
        overflow-x: hidden;
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
        box-sizing: border-box;
        align-items: stretch;
        justify-content: flex-start;
        z-index: 3001;
    }

    .navbar-nav.active {
        display: flex;
    }

    .navbar-nav li {
        width: 100%;
        min-width: 0;
        flex: 0 0 auto;
        text-align: center;
    }

    .navbar-dropdown {
        width: 100%;
        min-width: 0;
    }

    .navbar-buy-wrapper {
        display: block;
        width: 100%;
    }

    .navbar-nav a,
    .navbar-buy-btn {
        display: block;
        width: 100%;
        max-width: 100%;
        margin: 0;
        white-space: normal;
        overflow-wrap: break-word;
        box-sizing: border-box;
        transform: none;
    }

    .navbar-dropdown-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .navbar-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: transparent;
        margin-top: 0;
        display: none;
        width: 100%;
        max-width: 100%;
        min-width: 0;
        overflow-x: hidden;
        padding: 0;
    }

    .navbar-nav.active .navbar-dropdown-menu,
    .navbar-dropdown.active .navbar-dropdown-menu {
        display: block;
    }

    .navbar-dropdown-menu a {
        margin: 8px 0;
        border-radius: 12px;
        background: var(--surface-2);
        border: 1px solid var(--border);
    }

    .navbar-qr-popup {
        display: none;
    }

    .navbar-dropdown-toggle::after {
        transition: transform 0.3s ease;
    }

    .navbar-dropdown.active .navbar-dropdown-toggle::after {
        transform: rotate(180deg);
    }

    .navbar-contact {
        display: none;
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
        padding-top: 90px;
    }

    .container {
        padding: 24px 18px;
        max-width: 100%;
        overflow-x: hidden;
        border-radius: var(--radius-md);
    }

    h1 {
        font-size: 1.75em;
    }

    .upload-area {
        padding: 30px 15px;
    }

    button,
    .file-input-label,
    #result a {
        padding: 12px 24px;
        font-size: 1em;
    }

    #disclaimer-modal .actions {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        margin-top: 16px;
    }

    #disclaimer-overlay {
        padding: 10px;
        align-items: center;
    }

    #disclaimer-modal {
        width: 100%;
        max-width: 100%;
        max-height: calc(100vh - 20px);
        max-height: calc(100dvh - 20px);
        padding: 18px 18px 16px;
        border-radius: var(--radius-md);
    }

    #disclaimer-modal h2 {
        font-size: 1.3em;
        margin-bottom: 12px;
    }

    #disclaimer-modal p {
        font-size: 0.92em;
        line-height: 1.65;
        margin-bottom: 12px;
    }

    #accept-disclaimer,
    #accept-today-disclaimer,
    #buy-key-btn {
        width: 100%;
        max-width: 260px;
    }

    #disclaimer-modal .buy-key-wrapper {
        width: 100%;
        max-width: 260px;
    }

    .qr-popup {
        left: 50%;
        transform: translateX(-50%);
        right: auto;
    }
}