/* 自定义字体 */
.font-inter {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* MOPAY Logo样式 */
.mopay-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mopay-logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.mopay-logo::before {
    content: 'M';
    color: white;
    font-size: 36px;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.mopay-logo-small {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.mopay-logo-small:hover {
    transform: scale(1.05);
}

.mopay-logo-small::before {
    content: 'M';
    color: white;
    font-size: 18px;
    font-weight: 700;
}

/* 页面切换动画 */
.page {
    display: none;
    animation: fadeInUp 0.4s ease-out;
}

.page.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 加载动画优化 */
#loading-screen {
    transition: opacity 0.5s ease-in-out;
    backdrop-filter: blur(10px);
}

#loading-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

/* PIN码输入样式 */
.pin-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid hsl(var(--bc) / 0.3);
    transition: all 0.3s ease;
    background: transparent;
}

.pin-dot.filled {
    background-color: hsl(var(--p));
    border-color: hsl(var(--p));
    transform: scale(1.2);
    box-shadow: 0 0 10px hsl(var(--p) / 0.5);
}

.pin-dot.error {
    background-color: hsl(var(--er));
    border-color: hsl(var(--er));
    animation: shake 0.6s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* 助记词样式优化 */
.mnemonic-word {
    background: hsl(var(--b2));
    border: 2px solid hsl(var(--bc) / 0.1);
    border-radius: 12px;
    padding: 12px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    user-select: none;
    position: relative;
    overflow: hidden;
}

.mnemonic-word::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
}

.mnemonic-word:hover {
    border-color: hsl(var(--p));
    background: hsl(var(--p) / 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px hsl(var(--p) / 0.2);
}

.mnemonic-word:hover::before {
    left: 100%;
}

.mnemonic-word.selected {
    background: hsl(var(--p));
    color: hsl(var(--pc));
    border-color: hsl(var(--p));
    transform: scale(1.02);
    box-shadow: 0 4px 16px hsl(var(--p) / 0.3);
}

.mnemonic-word.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.mnemonic-word.disabled:hover {
    border-color: hsl(var(--bc) / 0.1);
    background: hsl(var(--b2));
    transform: none;
    box-shadow: none;
}

/* 助记词选项按钮样式 */
.mnemonic-word-option {
    transition: all 0.2s ease;
    border-radius: 8px;
}

.mnemonic-word-option:hover:not(.btn-disabled) {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px hsl(var(--p) / 0.2);
}

/* 步骤切换动画 */
.step {
    display: none;
    animation: slideInRight 0.4s ease-out;
}

.step.active {
    display: block;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 余额显示动画 */
#balance-display {
    transition: all 0.4s ease;
}

#balance-display.updating {
    opacity: 0.6;
    transform: scale(0.98);
}

/* 交易记录样式 */
.transaction-item {
    transition: all 0.3s ease;
    border-radius: 12px;
    margin: 0 -8px;
    padding: 12px 8px;
}

.transaction-item:hover {
    background-color: hsl(var(--bc) / 0.05);
    transform: translateX(4px);
    box-shadow: 0 2px 8px hsl(var(--bc) / 0.1);
}

.transaction-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    transition: transform 0.2s ease;
}

.transaction-icon.send {
    background: linear-gradient(135deg, hsl(var(--er) / 0.1), hsl(var(--er) / 0.2));
    color: hsl(var(--er));
}

.transaction-icon.receive {
    background: linear-gradient(135deg, hsl(var(--su) / 0.1), hsl(var(--su) / 0.2));
    color: hsl(var(--su));
}

.transaction-item:hover .transaction-icon {
    transform: scale(1.1);
}

/* 卡片样式增强 */
.card {
    transition: all 0.3s ease;
    border: 1px solid hsl(var(--bc) / 0.1);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px hsl(var(--bc) / 0.15);
}

/* 按钮样式增强 */
.btn {
    transition: all 0.3s ease;
    border-radius: 12px;
    font-weight: 500;
}

.btn:hover:not(.btn-disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px hsl(var(--bc) / 0.2);
}

.btn-primary:hover {
    box-shadow: 0 4px 12px hsl(var(--p) / 0.4);
}

.btn-secondary:hover {
    box-shadow: 0 4px 12px hsl(var(--s) / 0.4);
}

/* 输入框样式增强 */
.input, .textarea, .select {
    transition: all 0.3s ease;
    border-radius: 12px;
}

.input:focus, .textarea:focus, .select:focus {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px hsl(var(--p) / 0.2);
}

/* 响应式优化 */
@media (max-width: 640px) {
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    .mnemonic-word {
        font-size: 12px;
        padding: 8px;
    }
    
    .btn-lg {
        height: 56px;
        min-height: 56px;
        font-size: 16px;
    }
    
    .card-body {
        padding: 16px;
    }
    
    .navbar {
        padding: 0 12px;
    }
}

@media (max-width: 480px) {
    .mopay-logo {
        width: 60px;
        height: 60px;
    }
    
    .mopay-logo::before {
        font-size: 28px;
    }
    
    .grid-cols-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .text-3xl {
        font-size: 1.5rem;
    }
}

/* 性能优化 - 硬件加速 */
.card, .btn, .modal-box, .mnemonic-word {
    transform: translateZ(0);
    backface-visibility: hidden;
    will-change: transform;
}

/* 预加载动画 */
.preload-fade {
    opacity: 0;
    transition: opacity 0.4s ease;
}

.preload-fade.loaded {
    opacity: 1;
}

/* Toast通知样式增强 */
.toast .alert {
    animation: slideInDown 0.4s ease-out;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%) translateX(-50%);
        opacity: 0;
    }
    to {
        transform: translateY(0) translateX(-50%);
        opacity: 1;
    }
}

/* 深色主题优化 */
[data-theme="dark"] {
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

[data-theme="dark"] .mopay-logo {
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

[data-theme="dark"] .card {
    backdrop-filter: blur(10px);
    background: hsl(var(--b2) / 0.8);
}

[data-theme="dark"] .navbar {
    backdrop-filter: blur(10px);
    background: hsl(var(--b2) / 0.9);
}

/* 浅色主题优化 */
[data-theme="light"] .mopay-logo {
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

[data-theme="light"] .card {
    background: hsl(var(--b1));
    border: 1px solid hsl(var(--bc) / 0.1);
}

/* 错误状态样式 */
.input-error {
    border-color: hsl(var(--er)) !important;
    animation: shake 0.6s ease-in-out;
    box-shadow: 0 0 0 3px hsl(var(--er) / 0.2);
}

.error-message {
    color: hsl(var(--er));
    font-size: 12px;
    margin-top: 4px;
    animation: fadeIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.error-message::before {
    content: '⚠️';
    font-size: 14px;
}

/* 成功状态样式 */
.success-highlight {
    border-color: hsl(var(--su)) !important;
    background-color: hsl(var(--su) / 0.1) !important;
    animation: pulse 1s ease-in-out;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

/* 加载状态优化 */
.btn.loading {
    pointer-events: none;
    position: relative;
    overflow: hidden;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 模态框样式增强 */
.modal-box {
    border-radius: 16px;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 下拉菜单样式增强 */
.dropdown-content {
    animation: dropdownSlideIn 0.2s ease-out;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: hsl(var(--b3));
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: hsl(var(--bc) / 0.3);
    border-radius: 3px;
    transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: hsl(var(--bc) / 0.5);
}

/* 选择文本样式 */
::selection {
    background: hsl(var(--p) / 0.3);
    color: hsl(var(--pc));
}

/* 焦点样式 */
.btn:focus-visible,
.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
    outline: 2px solid hsl(var(--p));
    outline-offset: 2px;
}

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

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .btn {
        border-width: 2px;
    }
    
    .card {
        border-width: 2px;
    }
    
    .input, .textarea, .select {
        border-width: 2px;
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .btn,
    .loading,
    #loading-screen {
        display: none !important;
    }
    
    .page:not(.active) {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #000;
    }
}