/* === 键盘容器样式 === */
.keyboard-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.keyboard-container.show {
    transform: translateY(0) !important;
}

.keyboard-container.hidden {
    display: none !important;
}

/* === 虚拟键盘样式 - 深色主题 === */
.keyboard-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 8px;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
}

/* PC设备上隐藏键盘切换按钮和键盘容器 */
@media (min-width: 769px) {
    .keyboard-toggle {
        display: none !important;
    }
    
    .keyboard-container {
        display: none !important;
    }
}

.keyboard-toggle:hover {
    background: rgba(0, 0, 0, 0.2);
    transform: translateY(-50%) scale(1.05);
}

.virtual-keyboard,
.flick-keyboard {
    height: 180px;
}

.virtual-keyboard {
    background: #000000;
    border-top: 1px solid #333333;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    touch-action: manipulation;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.virtual-keyboard.show {
    display: block !important;
}

.virtual-keyboard.hidden {
    display: none !important;
}

.keyboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #111111;
    border-bottom: 1px solid #333333;
}

.keyboard-title {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
}

.keyboard-close {
    background: none;
    border: none;
    color: #ffffff;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.keyboard-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.keyboard-body {
    padding: 16px 0;
    max-height: 60vh;
    background: #000000;
}

.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 4px;
}

.keyboard-row:last-child {
    margin-bottom: 0;
}

.key {
    background: #333333;
    border: 1px solid #444444;
    border-radius: 8px;
    padding: 12px 8px;
    font-size: 1rem;
    font-weight: 500;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.15s ease;
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    flex: 1;
    max-width: 50px;
    user-select: none;
    white-space: nowrap;
}

.key:hover {
    background: #444444;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.key:active {
    background: #007AFF;
    transform: scale(0.9);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
    border-color: #9ca3af;
    transition: all 0.05s ease;
}

/* 平假名/片假名切换键样式 */
.key-kana-toggle {
    flex: 1.2;
    max-width: 60px;
    /* background: #4a90e2; */
    color: #ffffff;
    transition: all 0.2s ease;
    font-weight: bold;
    font-size: 0.8rem;
}

.key-kana-toggle:active {
    background: #2c5aa0;
    transform: scale(0.9);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.05s ease;
}

.key-kana-toggle.katakana-mode {
    background: #ff6b35;
    color: #ffffff;
    box-shadow: 0 0 12px rgba(255, 107, 53, 0.5);
    animation: katakanaPulse 2s ease-in-out infinite;
}

@keyframes katakanaPulse {
    0%, 100% {
        box-shadow: 0 0 12px rgba(255, 107, 53, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(255, 107, 53, 0.8);
    }
}

.kana-indicator {
    font-size: 0.8rem;
    font-weight: bold;
}

.key-backspace {
    flex: 1.2;
    max-width: 60px;
    background: #444444;
}

.key-backspace:active {
    background: #2d2d2d;
    transform: scale(0.9);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
    transition: all 0.05s ease;
}

.keyboard-skip-button {
    flex: 1.5;
    max-width: 80px;
    background: #ff6b35;
    color: #ffffff;
    font-weight: 600;
    border: 1px solid #444444;
    border-radius: 8px;
    /* padding: 12px 8px; */
    /* font-size: 1rem; */
    cursor: pointer;
    transition: all 0.15s ease;
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    user-select: none;
    touch-action: manipulation;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.keyboard-skip-button:hover {
    background: #ff7a4a;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.keyboard-skip-button:active {
    background: #cc4a22;
    transform: scale(0.9);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.05s ease;
}

.key-space {
    flex: 4;
    max-width: 200px;
    position: relative;
    background: #333333;
}

.key-space:active {
    background: #1f1f1f;
    transform: scale(0.95);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
    transition: all 0.05s ease;
}

.space-text {
    font-size: 0.9rem;
    color: #ffffff;
}

.space-lang {
    position: absolute;
    bottom: 4px;
    right: 8px;
    font-size: 0.7rem;
    color: #aaaaaa;
}




/* 移动端虚拟键盘样式 */
@media (max-width: 639px) {
    .keyboard-toggle {
        right: 4px;
        padding: 6px;
    }
    
    .virtual-keyboard {
        max-height: 50vh;
    }
    
    .keyboard-body {
        padding: 5px 10px;
        max-height: 40vh;
    }
    
    .keyboard-row {
        gap: 4px;
        margin-bottom: 6px;
    }
    
    .key {
        padding: 8px 6px;
        /* font-size: 0.9rem; */
        min-width: 32px;
        min-height: 32px;
        max-width: 45px;
    }
    
    .key-shift,
    .key-backspace {
        max-width: 55px;
    }
    
    
    .key-space {
        max-width: 100%;
    }
    
    .key-enter {
        min-width: 79px;
    }
}

/* === フリック键盘样式 === */
.flick-keyboard {
    background: #000000;
    border-top: 1px solid #333333;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.flick-keyboard.show {
    display: block !important;
}

.flick-keyboard.hidden {
    display: none !important;
}

/* 确保两个键盘永远不会同时显示 */
.keyboard-container .virtual-keyboard.show ~ .flick-keyboard {
    display: none !important;
}

.keyboard-container .flick-keyboard.show ~ .virtual-keyboard {
    display: none !important;
}

/* フリック键盘主体 */
.flick-keyboard-body {
    padding: 16px 0;
    max-height: 60vh;
    background: #000000;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* フリック键盘布局 */
.flick-keyboard-layout {
    display: flex;
    gap: 8px;
    align-items: stretch;
    /* padding: 0 16px; */
}

/* フリック键盘侧边栏 */
.flick-sidebar {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 70px;
}

/* フリック键盘字符键区域 */
.flick-keys-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* フリック键盘右侧边栏 */
.flick-right-sidebar {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 70px;
}

/* フリック键盘行 */
.flick-row {
    display: flex;
    gap: 4px;
    justify-content: center;
    align-items: center;
    margin: 0;
}

/* フリック切换按钮样式 */
.key-flick-toggle {
    flex: 1;
    min-width: 78px;
    /* background: #4a5568; */
    color: #ffffff;
    font-size: 12px;
    font-weight: 500;
}

.key-flick-toggle:hover {
    background: #5a6578;
}

.key-flick-toggle:active {
    background: #3a4558;
    transform: scale(0.95);
}

/* フリック键样式 */
.flick-key {
    position: relative;
    background: #333333;
    color: #ffffff;
    border: 1px solid #444444;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    min-height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    z-index: 1;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    flex: 1;
    max-width: 65px;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.flick-key:hover {
    background: #404040;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.flick-key:active {
    background: #1f1f1f;
    transform: scale(0.95);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.05s ease;
}

/* フリック功能键样式 */
.flick-function-key {
    position: relative;
    background: #333333;
    color: #ffffff;
    border: 1px solid #444444;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    min-height: 50px;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    flex: 1;
    max-width: 60px;
}

.flick-function-key:hover {
    background: #404040;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.flick-function-key:active {
    background: #1f1f1f;
    transform: scale(0.95);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.05s ease;
}

/* フリック展开效果 */
.flick-key.flick-expanded {
    background: #4a90e2;
    color: #ffffff;
    transform: scale(1.1);
    z-index: 10;
    box-shadow: 0 4px 20px rgba(74, 144, 226, 0.4);
}

.flick-key.flick-expanded::before {
    content: '';
    position: absolute;
    top: -0;
    left: -0;
    right: -0;
    bottom: -0;
    background: linear-gradient(45deg, #0075ff, #0065dd);
    border-radius: 10px;
    z-index: -1;
}

/* フリック方向指示器 */
.flick-indicator {
    position: absolute;
    background: #007AFF;
    color: #ffffff;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 18px;
    font-weight: 500;
    pointer-events: auto;
    z-index: 1001;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    min-width: 50px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(74, 144, 226, 0.3);
    animation: flickSlideIn 0.2s ease-out;
    cursor: pointer;
}

/* フリック指示器高亮效果 */
.flick-indicator.highlighted {
    background: #ffcc00 !important;
    color: #333333 !important;
    box-shadow: 0 0 15px rgba(255, 204, 0, 0.8) !important;
    transform: scale(1.1) !important;
    transition: all 0.1s ease-out;
    z-index: 1002 !important;
}

.flick-indicator.up {
    top: -45px;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    animation: flickSlideInUp 0.2s ease-out;
}

.flick-indicator.down {
    bottom: -45px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    animation: flickSlideInDown 0.2s ease-out;
}

.flick-indicator.left {
    left: -45px;
    top: 50%;
    transform: translateY(-50%) translateX(-10px);
    animation: flickSlideInLeft 0.2s ease-out;
}

.flick-indicator.right {
    right: -45px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    animation: flickSlideInRight 0.2s ease-out;
}

/* フリック指示器动画 */
@keyframes flickSlideIn {
    0% {
        opacity: 0;
        transform: scale(0.7);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes flickSlideInUp {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(0px) scale(0.7);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(-10px) scale(1);
    }
}

@keyframes flickSlideInDown {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(0px) scale(0.7);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(10px) scale(1);
    }
}

@keyframes flickSlideInLeft {
    0% {
        opacity: 0;
        transform: translateY(-50%) translateX(0px) scale(0.7);
    }
    100% {
        opacity: 1;
        transform: translateY(-50%) translateX(-10px) scale(1);
    }
}

@keyframes flickSlideInRight {
    0% {
        opacity: 0;
        transform: translateY(-50%) translateX(0px) scale(0.7);
    }
    100% {
        opacity: 1;
        transform: translateY(-50%) translateX(10px) scale(1);
    }
}

/* フリック返回按钮 */
.key-flick-back {
    flex: 1;
    max-width: 80px;
    background: #6b7280;
    color: #ffffff;
    font-size: 12px;
    font-weight: 500;
}

.key-flick-back:hover {
    background: #7b8280;
}

.key-flick-back:active {
    background: #5b6280;
    transform: scale(0.95);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .flick-keyboard-body {
        padding: 6px 10px;
        gap: 3px;
    }
    
    .flick-row {
        gap: 3px;
    }
    
    /* .flick-key {
        min-height: 45px;
        min-width: 45px;
        font-size: 16px;
        max-width: 55px;
    } */
    
    .flick-function-key {
        min-height: 45px;
        min-width: 45px;
        font-size: 10px;
        max-width: 55px;
    }
    
    .flick-indicator {
        font-size: 16px;
        padding: 5px 10px;
        min-width: 60px;
        min-height: 36px;
    }
    
    .flick-indicator.up {
        top: -29px;
    }
    
    .flick-indicator.down {
        bottom: -29px;
    }
    
    .flick-indicator.left {
        left: -49px;
    }
    
    .flick-indicator.right {
        right: -49px;
    }
}

/* 防止输入框获得焦点时弹出原生键盘 */
#answer-input:focus {
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

/* 当フリック键盘显示时，禁用输入框焦点 */
.flick-keyboard.show ~ * #answer-input,
.flick-keyboard.show #answer-input {
    pointer-events: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* フリック侧边栏按钮样式 */
.flick-sidebar .flick-function-key {
    width: 100%;
    /* min-height: 60px; */
    max-width: none;
    font-size: 10px;
    flex-direction: column;
    gap: 4px;
}

/* 片假名按钮样式 */
.flick-katakana {
    background: #333333;
    border-color: #444444;
}

.flick-katakana:hover {
    background: #404040;
}

.flick-katakana:active {
    background: #1f1f1f;
}

/* 片假名按钮激活状态 */
.flick-katakana.active {
    background: #ff6b35;
    border-color: #ff6b35;
}

.flick-katakana.active:hover {
    background: #ff6b35;
}

.flick-katakana.active:active {
    background: #ff6b35;
}

/* 返回按钮样式 */
.flick-back {
    background: #333333;
    border-color: #444444;
}

.flick-back:hover {
    background: #404040;
}

.flick-back:active {
    background: #1f1f1f;
}

/* 片假名文字样式 */
.katakana-text {
    font-size: 10px;
    font-weight: 600;
    text-align: center;
}

/* Esc按钮样式 */
.flick-escape {
    background: #444444;
    border-color: #555555;
}

.flick-escape:hover {
    background: #555555;
}

.flick-escape:active {
    background: #2d2d2d;
}

/* Esc文字样式 */
.escape-text {
    font-size: 10px;
    font-weight: 600;
    text-align: center;
}

/* 右侧功能按钮样式 */
.flick-right-sidebar .flick-function-key {
    width: 100%;
    min-height: 50px;
    max-width: none;
    font-size: 11px;
    flex-direction: column;
    gap: 4px;
}

/* 删除按钮样式 */
.flick-delete {
    background: #444444;
    border-color: #555555;
}

.flick-delete:hover {
    background: #555555;
}

.flick-delete:active {
    background: #2d2d2d;
}

/* 空白按钮样式 */
.flick-space {
    background: #333333;
    border-color: #444444;
}

.flick-space:hover {
    background: #404040;
}

.flick-space:active {
    background: #1f1f1f;
}



/* 功能按钮文字样式 */
.space-text,
.submit-text {
    font-size: 12px;
    font-weight: 600;
    text-align: center;
}

.flick-submit,
.key-enter {
    flex: 1.5;
    max-width: 80px;
    background: linear-gradient(180deg, #98e66d, #64c33d);
    color: #2f4b1d;
    border: none;
    /* box-shadow: 0 4px 0 #3b7b25, 0 6px 10px rgba(0, 0, 0, 0.3); */
}

.flick-submit:hover,
.key-enter:hover {
    background: linear-gradient(180deg, #90ea60, #58cf2a);
}

.flick-submit:active,
.key-enter:active {
    background: linear-gradient(180deg, #84e052, #59d129);
    transform: scale(0.9);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.05s ease;
}