/**
 * 文件路径: /home/ubuntu/talktalk_backend/public/css/buttons.css
 * 功能用途: 按钮样式，可爱卡通风格
 * 版本: v3.0
 */

/* 通用按钮复位 */
button {
    border: none;
    outline: none;
    background: none;
    cursor: pointer;
    font-family: var(--font-heading);
    transition: var(--transition);
    user-select: none;
}

/* 主按钮 */
.cartoon-btn {
    background-color: var(--primary-color);
    color: #fff;
    padding: 12px 24px;
    border-radius: var(--border-radius-round);
    font-size: 16px;
    box-shadow: 0 4px 0 #E64A19; /* 硬阴影 */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.cartoon-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #E64A19;
}

.cartoon-btn:active {
    transform: translateY(4px);
    box-shadow: 0 0 0 #E64A19;
}

/* 大号按钮 */
.cartoon-btn-large {
    background-color: var(--secondary-color);
    color: #fff;
    width: 100%;
    padding: 16px;
    border-radius: var(--border-radius-lg);
    font-size: 20px;
    box-shadow: 0 5px 0 #0097A7;
    margin-top: 20px;
}

.cartoon-btn-large:hover {
    background-color: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 7px 0 #0097A7;
}

.cartoon-btn-large:active {
    transform: translateY(5px);
    box-shadow: none;
}

/* 描边按钮 */
.cartoon-btn-outline {
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: var(--border-radius-md);
    font-family: var(--font-primary);
    font-weight: bold;
}

.cartoon-btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: var(--bg-primary);
}

/* 危险按钮 */
.cartoon-btn-danger {
    background-color: #FFEBEE;
    color: var(--danger-color);
    padding: 10px 20px;
    border-radius: var(--border-radius-md);
    font-weight: bold;
}

.cartoon-btn-danger:hover {
    background-color: var(--danger-color);
    color: #fff;
}

/* 图标按钮 */
.cartoon-btn-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.2s ease;
    flex-shrink: 0; /* 防止被挤压变形 */
}

.cartoon-btn-icon:hover {
    background-color: var(--accent-color);
    color: #fff;
    transform: rotate(15deg) scale(1.1);
}

/* 激活状态保持点击时的样式 */
.cartoon-btn-icon:active,
.cartoon-btn-icon.active {
    background-color: var(--primary-color);
    color: #fff;
    transform: scale(0.95);
    box-shadow: inset 0 3px 6px rgba(0,0,0,0.2);
}

/* 侧边栏按钮特殊样式 */
.sidebar-btn {
    width: 100%;
    text-align: left;
    justify-content: flex-start;
    margin-bottom: 8px;
    padding: 12px 16px;
}

.sidebar-btn.active {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    box-shadow: 0 4px 10px rgba(255, 138, 101, 0.4);
}

/* 小号危险按钮 */
.cartoon-btn-small-danger {
    padding: 6px 12px;
    font-size: 12px;
    background: rgba(0,0,0,0.2);
    color: #fff;
    border-radius: 20px;
}

.cartoon-btn-small-danger:hover {
    background: rgba(0,0,0,0.4);
}

/* 发送按钮 */
.cartoon-btn-send {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 0 #E64A19;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-left: 10px;
    flex-shrink: 0; /* 防止被挤压变形 */
}

.cartoon-btn-send:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #E64A19;
}

.cartoon-btn-send:active {
    transform: translateY(4px);
    box-shadow: none;
}

/* 按键语音发送按钮 (PTT - Push-to-Talk) */
.cartoon-btn-ptt {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    color: #fff;
    box-shadow: 0 4px 0 #0097A7;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-left: 10px;
    flex-shrink: 0;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    transition: transform 0.1s, box-shadow 0.1s, background-color 0.1s;
}

.cartoon-btn-ptt:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #0097A7;
}

.cartoon-btn-ptt:active,
.cartoon-btn-ptt.active {
    transform: translateY(4px);
    box-shadow: none;
    background-color: #00ACC1;
}

.cartoon-btn-ptt.recording {
    background-color: #4CAF50;
    box-shadow: 0 4px 0 #388E3C;
    animation: ptt-pulse 1s infinite;
}

@keyframes ptt-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* PTT 语音录制提示对话框 - 不遮挡页面 */
.ptt-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
}

.ptt-dialog.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.ptt-dialog.hidden {
    display: none;
}

.ptt-dialog-content {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 30px 40px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    border: 4px solid var(--secondary-color);
}

.ptt-dialog-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ptt-dialog-icon i {
    font-size: 40px;
    color: #4CAF50;
    z-index: 1;
    animation: ptt-icon-pulse 1.5s ease-in-out infinite;
}

@keyframes ptt-icon-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.ptt-pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(76, 175, 80, 0.2);
    animation: ptt-ring-pulse 1.5s ease-out infinite;
}

@keyframes ptt-ring-pulse {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.ptt-dialog-text {
    font-size: 1.4em;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-family: var(--font-heading);
}

.ptt-dialog-hint {
    font-size: 0.95em;
    color: var(--text-secondary);
}

/* PTT 对话框深色模式 */
[data-theme="dark"] .ptt-dialog {
    background: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .ptt-dialog-content {
    background: var(--bg-secondary);
    border-color: var(--secondary-color);
}

[data-theme="dark"] .ptt-dialog-icon i {
    color: #66BB6A;
}

[data-theme="dark"] .ptt-pulse-ring {
    background: rgba(102, 187, 106, 0.25);
}

/* 模式切换按钮 */
.cartoon-btn-mode {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    margin-right: 5px;
    flex-shrink: 0; /* 防止被挤压变形 */
}

.cartoon-btn-mode.active {
    background-color: var(--secondary-color);
    color: #fff;
    box-shadow: 0 3px 0 #0097A7;
}

/* 链接按钮 */
.btn-link {
    color: var(--primary-color);
    font-weight: bold;
    text-decoration: underline;
}

.btn-link:hover {
    color: var(--primary-hover);
}

/* ==================== 麦克风按钮状态样式 ==================== */

/* 麦克风按钮基础样式 - 活跃状态（麦克风已开启） */
#voice-to-text-btn.active {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 3px 0 #E64A19;
}

/* 麦克风按钮 - 非活跃状态（麦克风已关闭） */
#voice-to-text-btn.inactive {
    background-color: var(--danger-color);
    color: #fff;
    opacity: 0.9;
}

#voice-to-text-btn.inactive:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* 麦克风按钮 - 语音检测状态（用户正在说话，语音被识别） */
#voice-to-text-btn.speech-detected {
    background-color: #4CAF50 !important; /* 绿色表示语音被有效识别 */
    color: #fff !important;
    box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.3) !important;
    animation: speech-detected-pulse 0.8s ease-in-out infinite !important;
}

/* 深色模式下的语音检测样式 */
[data-theme="dark"] #voice-to-text-btn.speech-detected {
    background-color: #66BB6A !important;
    box-shadow: 0 0 0 4px rgba(102, 187, 106, 0.4) !important;
}

/* 麦克风图标在检测状态下的呼吸效果 */
#voice-to-text-btn.speech-detected i {
    animation: mic-icon-breathe 0.6s ease-in-out infinite;
}