/* ========================================
   认证模态框样式 - 少女心猫耳可爱设计
   ======================================== */

/* ========================================
   模态框容器和背景
   ======================================== */

.auth-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #fff5f9 0%, #ffe4f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
    animation: authOverlayFadeIn 0.3s ease-out;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s, visibility 0.3s;
}

.auth-modal-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

@keyframes authOverlayFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ========================================
   模态框容器
   ======================================== */

.auth-modal-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin: 0 20px;
    perspective: 1000px;
}

.auth-modal-content {
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #fff9fc 100%);
    border-radius: 24px;
    box-shadow: 
        0 20px 60px rgba(255, 105, 180, 0.15),
        0 0 1px rgba(255, 105, 180, 0.1),
        inset 0 1px 0 rgba(255, 182, 193, 0.4);
    overflow: visible;
    animation: authModalSlideUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 2px solid rgba(255, 182, 193, 0.6);
}

@keyframes authModalSlideUp {
    from {
        opacity: 0;
        transform: translateY(60px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ========================================
   背景装饰
   ======================================== */

.auth-bg-decoration {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124, 58, 202, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.auth-modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(135deg, #ff69b4 0%, #ffb6c1 100%);
    opacity: 0.08;
    pointer-events: none;
}

/* ========================================
   顶部装饰线
   ======================================== */

.auth-top-bar {
    height: 6px;
    background: linear-gradient(90deg, #ff69b4 0%, #ffb6c1 50%, #ffc0cb 100%);
    width: 100%;
    box-shadow: 0 2px 8px rgba(255, 105, 180, 0.3);
}

/* ========================================
   头部区域 - 猫耳装饰
   ======================================== */

.auth-header {
    text-align: center;
    padding: 40px 30px 20px;
    position: relative;
    z-index: 1;
}

/* 左猫耳 */
.auth-header::before {
    content: '';
    position: absolute;
    top: -15px;
    left: 35%;
    width: 0;
    height: 0;
    border-left: 18px solid transparent;
    border-right: 18px solid transparent;
    border-bottom: 35px solid #ff69b4;
    border-radius: 50% 50% 0 0;
    filter: drop-shadow(0 1px 3px rgba(255, 105, 180, 0.3));
    z-index: 10;
}

/* 右猫耳 */
.auth-header::after {
    content: '';
    position: absolute;
    top: -15px;
    right: 35%;
    width: 0;
    height: 0;
    border-left: 18px solid transparent;
    border-right: 18px solid transparent;
    border-bottom: 35px solid #ff69b4;
    border-radius: 50% 50% 0 0;
    filter: drop-shadow(0 1px 3px rgba(255, 105, 180, 0.3));
    z-index: 10;
}

.auth-logo {
    margin-bottom: 16px;
    margin-top: 10px;
    display: inline-block;
    animation: authLogoBounce 2s ease-in-out infinite;
    position: relative;
    z-index: 2;
    width: 80px;
    height: 80px;
    overflow: hidden;
    border-radius: 50%;
}

.auth-logo-icon {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(255, 105, 180, 0.3));
    border: 3px solid rgba(255, 182, 193, 0.5);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes authLogoBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.auth-title {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, #ff69b4 0%, #ffb6c1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 8px;
    letter-spacing: -0.5px;
}

.auth-subtitle {
    font-size: 14px;
    color: #d97fb2;
    margin: 0;
    font-weight: 400;
    letter-spacing: 0.3px;
    font-style: italic;
}

/* ========================================
   主要内容区域
   ======================================== */

.auth-main {
    padding: 30px;
    position: relative;
    z-index: 1;
}

.auth-intro {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.auth-intro-item {
    text-align: center;
    padding: 16px 12px;
    border-radius: 16px;
    background: linear-gradient(135deg, #fff5f9 0%, #ffe4f0 100%);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: default;
    border: 1.5px solid rgba(255, 182, 193, 0.4);
    position: relative;
    overflow: hidden;
}

/* 蕾丝边装饰 */
.auth-intro-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 10px,
        rgba(255, 182, 193, 0.2) 10px,
        rgba(255, 182, 193, 0.2) 12px
    );
    pointer-events: none;
}

.auth-intro-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(255, 105, 180, 0.2);
    background: linear-gradient(135deg, #ffb6c1 0%, #ffc0cb 100%);
    border-color: rgba(255, 105, 180, 0.5);
}

.auth-intro-item:hover .auth-intro-text {
    color: #c71585;
}

.auth-intro-icon {
    font-size: 28px;
    margin-bottom: 8px;
    display: block;
}

.auth-intro-text {
    font-size: 12px;
    color: #d97fb2;
    font-weight: 600;
    transition: color 0.3s;
    position: relative;
    z-index: 1;
}

/* ========================================
   操作按钮区域
   ======================================== */

.auth-actions {
    padding: 0 30px 40px;
    position: relative;
    z-index: 1;
}

.auth-btn {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.auth-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s;
}

.auth-btn:hover::before {
    left: 100%;
}

.auth-btn-discord {
    background: linear-gradient(135deg, #ff69b4 0%, #ffb6c1 100%);
    color: white;
    box-shadow: 0 8px 24px rgba(255, 105, 180, 0.4);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.auth-btn-discord:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 105, 180, 0.5);
    filter: brightness(1.1);
}

.auth-btn-discord:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(255, 105, 180, 0.3);
}

.auth-btn-discord:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-btn-admin {
    background: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
    color: white;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.auth-btn-admin:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(124, 58, 237, 0.5);
    filter: brightness(1.1);
}

.auth-btn-admin:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 16px 0;
    color: #d97fb2;
    font-size: 13px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, transparent, #ffb6c1, transparent);
}

.auth-divider span {
    padding: 0 12px;
    font-weight: 500;
}

.auth-admin-form {
    margin-top: 16px;
    animation: authFormSlideIn 0.3s ease-out;
}

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

.auth-admin-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #ffb6c1;
    border-radius: 10px;
    font-size: 14px;
    background: #fff9fc;
    color: #333;
    transition: all 0.3s;
    box-sizing: border-box;
}

.auth-admin-input:focus {
    outline: none;
    border-color: #7c3aed;
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
    background: white;
}

.auth-admin-input::placeholder {
    color: #d97fb2;
}

.auth-admin-btns {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}

.auth-btn-small {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.auth-btn-submit {
    background: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.auth-btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(124, 58, 237, 0.4);
}

.auth-btn-submit:active {
    transform: translateY(0);
}

.auth-btn-cancel {
    background: #f5f5f5;
    color: #666;
    border: 1px solid #e0e0e0;
}

.auth-btn-cancel:hover {
    background: #ebebeb;
    border-color: #d0d0d0;
}

.auth-error {
    margin-top: 10px;
    padding: 10px 14px;
    background: #ffe4e8;
    border: 1px solid #ffb6c1;
    border-radius: 8px;
    color: #d32f2f;
    font-size: 13px;
    text-align: center;
    animation: authErrorShake 0.5s;
}

@keyframes authErrorShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.auth-btn-icon {
    display: inline-block;
    flex-shrink: 0;
}

.auth-tips {
    font-size: 12px;
    color: #d97fb2;
    text-align: center;
    margin: 16px 0 0;
    line-height: 1.5;
    font-style: italic;
}

/* ========================================
   加载状态
   ======================================== */

.auth-loading {
    padding: 40px 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.auth-loading p {
    font-size: 14px;
    color: #d97fb2;
    margin: 0;
    font-weight: 500;
}

.auth-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 182, 193, 0.3);
    border-top: 3px solid #ff69b4;
    border-radius: 50%;
    animation: authSpinRotate 1s linear infinite;
}

@keyframes authSpinRotate {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 600px) {
    .auth-modal-container {
        margin: 0 16px;
    }
    
    .auth-header {
        padding: 40px 24px 24px;
    }
    
    .auth-header::before {
        left: 25%;
    }
    
    .auth-header::after {
        right: 25%;
    }
    
    .auth-title {
        font-size: 28px;
    }
    
    .auth-subtitle {
        font-size: 13px;
    }
    
    .auth-main {
        padding: 24px;
    }
    
    .auth-intro {
        gap: 12px;
        grid-template-columns: repeat(3, 1fr);
    }
    
    .auth-intro-item {
        padding: 12px 8px;
    }
    
    .auth-intro-icon {
        font-size: 24px;
        margin-bottom: 6px;
    }
    
    .auth-intro-text {
        font-size: 11px;
    }
    
    .auth-actions {
        padding: 0 24px 32px;
    }
    
    .auth-btn {
        padding: 14px 20px;
        font-size: 14px;
        gap: 8px;
    }
    
    .auth-tips {
        font-size: 11px;
    }
}

@media (max-width: 360px) {
    .auth-header {
        padding: 32px 16px 16px;
    }
    
    .auth-header::before {
        left: 20%;
        border-left: 14px solid transparent;
        border-right: 14px solid transparent;
        border-bottom: 28px solid #ff69b4;
    }
    
    .auth-header::after {
        right: 20%;
        border-left: 14px solid transparent;
        border-right: 14px solid transparent;
        border-bottom: 28px solid #ff69b4;
    }
    
    .auth-title {
        font-size: 24px;
    }
    
    .auth-main {
        padding: 16px;
    }
    
    .auth-intro {
        gap: 10px;
    }
    
    .auth-actions {
        padding: 0 16px 24px;
    }
}

/* ========================================
   深色模式支持
   ======================================== */

@media (prefers-color-scheme: dark) {
    .auth-modal-overlay {
        background: linear-gradient(135deg, #4a2a3f 0%, #5a3a4f 100%);
    }
    
    .auth-modal-content {
        background: linear-gradient(180deg, #5a3a4f 0%, #4a2a3f 100%);
        box-shadow: 
            0 20px 60px rgba(255, 105, 180, 0.2),
            0 0 1px rgba(255, 182, 193, 0.2);
        border: 2px solid rgba(255, 105, 180, 0.3);
    }
    
    .auth-title {
        background: linear-gradient(135deg, #ff69b4 0%, #ffb6c1 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .auth-subtitle {
        color: #ffb6c1;
    }
    
    .auth-intro-item {
        background: linear-gradient(135deg, #3a1a2f 0%, #4a2a3f 100%);
        border-color: rgba(255, 105, 180, 0.3);
    }
    
    .auth-intro-item:hover {
        background: linear-gradient(135deg, #c71585 0%, #ff69b4 100%);
        border-color: rgba(255, 182, 193, 0.6);
    }
    
    .auth-intro-text {
        color: #ffb6c1;
    }
    
    .auth-intro-item:hover .auth-intro-text {
        color: white;
    }
    
    .auth-loading p {
        color: #ffb6c1;
    }
    
    .auth-tips {
        color: #ffb6c1;
    }
    
    .auth-spinner {
        border-color: rgba(255, 182, 193, 0.3);
        border-top-color: #ff69b4;
    }
}

/* ========================================
   打印样式
   ======================================== */

@media print {
    .auth-modal-overlay {
        display: none;
    }
}