/* AuraChat 动画专用样式 */

/* 预加载动画 */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--neutral-50) 0%, var(--neutral-100) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.aura-orb {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-400), var(--purple-soft), var(--pink-soft));
    position: relative;
    margin-bottom: 32px;
    animation: orb-pulse 2.5s ease-in-out infinite;
    box-shadow: 0 0 60px rgba(77, 171, 247, 0.4);
}

.orb-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 70%;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary-600);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.1);
}

.orb-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    background: inherit;
    filter: blur(20px);
    opacity: 0.4;
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes orb-pulse {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        box-shadow: 0 0 60px rgba(77, 171, 247, 0.4);
    }
    50% {
        transform: scale(1.08) rotate(180deg);
        box-shadow: 0 0 80px rgba(77, 171, 247, 0.6);
    }
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
}

.preloader-text {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 12px;
    font-size: 18px;
    font-weight: var(--font-weight-medium);
    color: var(--neutral-700);
}

.loading-dots {
    display: inline-flex;
    gap: 2px;
}

.dot {
    animation: dot-bounce 1.4s infinite ease-in-out both;
}

.dot:nth-child(1) { animation-delay: -0.32s; }
.dot:nth-child(2) { animation-delay: -0.16s; }
.dot:nth-child(3) { animation-delay: 0s; }

@keyframes dot-bounce {
    0%, 80%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    40% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

.preloader-hint {
    font-size: 14px;
    color: var(--neutral-500);
    animation: fade-in-out 2s infinite;
}

@keyframes fade-in-out {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* 消息进入动画 */
@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.message {
    animation: messageSlideIn 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards;
}

/* 打字机效果 */
.typing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: var(--neutral-100);
    border-radius: var(--border-radius-lg);
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-500);
    animation: typing-bounce 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }
.typing-dot:nth-child(3) { animation-delay: 0s; }

@keyframes typing-bounce {
    0%, 80%, 100% {
        transform: translateY(0);
        opacity: 0.7;
    }
    40% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* 按钮涟漪效果 */
.btn-primary, .btn-new-chat, .btn-send {
    position: relative;
    overflow: hidden;
}

.btn-primary::after, .btn-new-chat::after, .btn-send::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn-primary:focus:not(:active)::after,
.btn-new-chat:focus:not(:active)::after,
.btn-send:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    20% {
        transform: scale(25, 25);
        opacity: 0.3;
    }
    100% {
        transform: scale(50, 50);
        opacity: 0;
    }
}

/* 背景浮动元素 */
.floating-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(77, 171, 247, 0.1), rgba(151, 117, 250, 0.1));
    animation: float 15s infinite linear;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(20px, 20px) rotate(90deg);
    }
    50% {
        transform: translate(0, 40px) rotate(180deg);
    }
    75% {
        transform: translate(-20px, 20px) rotate(270deg);
    }
}

/* 欢迎环动画 */
@keyframes ringPulse {
    0% {
        width: 100px;
        height: 100px;
        opacity: 1;
    }
    100% {
        width: 200px;
        height: 200px;
        opacity: 0;
    }
}

/* 输入框边框流动动画 */
@keyframes gradientFlow {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 通知动画 */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.notification.hiding {
    animation: slideOutRight 0.3s ease forwards;
}

/* 旋转动画 */
@keyframes rotateRing {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* 浮动球动画 */
@keyframes floatOrb {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(50px, -30px) rotate(90deg);
    }
    50% {
        transform: translate(0, -60px) rotate(180deg);
    }
    75% {
        transform: translate(-50px, -30px) rotate(270deg);
    }
}

/* 心跳动画 */
@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.heartbeat {
    animation: heartbeat 1.5s ease-in-out infinite;
}

/* 摇晃动画 */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

.shake {
    animation: shake 0.8s ease-in-out;
}

/* 淡入动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

/* 淡出动画 */
@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

/* 滑入动画 */
@keyframes slideInUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.slide-in-up {
    animation: slideInUp 0.3s ease forwards;
}

/* 滑出动画 */
@keyframes slideOutDown {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(20px);
        opacity: 0;
    }
}

.slide-out-down {
    animation: slideOutDown 0.3s ease forwards;
}

/* 缩放进入 */
@keyframes zoomIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.zoom-in {
    animation: zoomIn 0.3s ease forwards;
}

/* 缩放退出 */
@keyframes zoomOut {
    from {
        transform: scale(1);
        opacity: 1;
    }
    to {
        transform: scale(0.9);
        opacity: 0;
    }
}

.zoom-out {
    animation: zoomOut 0.3s ease forwards;
}

/* 旋转进入 */
@keyframes rotateIn {
    from {
        transform: rotate(-180deg) scale(0.3);
        opacity: 0;
    }
    to {
        transform: rotate(0) scale(1);
        opacity: 1;
    }
}

.rotate-in {
    animation: rotateIn 0.5s ease forwards;
}

/* 弹跳动画 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.bounce {
    animation: bounce 1s ease infinite;
}

/* 闪烁动画 */
@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.blink {
    animation: blink 1s ease-in-out infinite;
}

/* 加载旋转动画 */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.spin {
    animation: spin 1s linear infinite;
}

/* 波浪动画 */
@keyframes wave {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-5px);
    }
    75% {
        transform: translateY(5px);
    }
}

.wave {
    animation: wave 2s ease-in-out infinite;
}

/* 悬停提升效果 */
.hover-lift {
    transition: transform var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

/* 悬压效果 */
.hover-press {
    transition: transform var(--transition-fast);
}

.hover-press:active {
    transform: translateY(2px);
}

/* 悬停旋转 */
.hover-rotate:hover {
    animation: rotateIn 0.3s ease forwards;
}

/* 悬停脉动 */
.hover-pulse:hover {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-md);
    }
    50% {
        transform: scale(1.05);
        box-shadow: var(--shadow-lg);
    }
}

/* 渐变文字动画 */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-500), var(--purple-soft), var(--pink-soft));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* 骨架屏加载动画 */
.skeleton {
    background: linear-gradient(90deg, 
        var(--neutral-200) 25%, 
        var(--neutral-300) 50%, 
        var(--neutral-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* 打字机文本效果 */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary-500);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--primary-500); }
}