.search-bar input {
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1px solid #eee;
    border-radius: 20px;
    width: 200px;
    transition: all 0.3s ease;
}

.search-bar i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

.notification-bell {
    position: relative;
    cursor: pointer;
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4757;
    color: white;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

/* ===== 統計卡片樣式 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.stat-trend.up {
    color: #2ecc71;
}

.stat-trend.down {
    color: #e74c3c;
}

/* ===== 內容網格樣式 ===== */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
}

.features-section {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.view-controls {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 0.5rem;
    border: none;
    background: none;
    border-radius: 4px;
    cursor: pointer;
    color: #666;
    transition: all 0.3s ease;
}

.view-btn.active,
.view-btn:hover {
    background: #f4f6f8;
    color: var(--primary-dark);
}

/* ===== 響應式設計 ===== */
@media (max-width: 1200px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .side-nav {
        transform: translateX(-100%);
    }

    .main-content {
        margin-left: 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* 新增動畫關鍵幀 */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes progressRing {
    from { stroke-dashoffset: 360; }
    to { stroke-dashoffset: var(--progress-offset); }
}

/* 統計卡片動畫 */
.stat-card {
    opacity: 0;
    transform: translateY(20px);
    animation: slideInLeft 0.6s ease forwards;
    animation-delay: var(--delay, 0s);
}

.stat-card.show {
    opacity: 1;
    transform: translateY(0);
}

/* 進度環動畫 */
.progress-ring-circle {
    fill: none;
    stroke: var(--primary-main);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 360;
    stroke-dashoffset: var(--progress-offset);
    transform: rotate(-90deg);
    transform-origin: center;
    animation: progressRing 1.5s ease forwards;
    animation-delay: calc(var(--delay) + 0.3s);
}

.progress-ring-bg {
    fill: none;
    stroke: #E2E8F0;
    stroke-width: 8;
}

/* 圖標動畫 */
.stat-icon i.pulse {
    animation: pulse 2s ease-in-out infinite;
}

.stat-trend i.bounce {
    animation: bounce 2s ease-in-out infinite;
}

/* 側邊導航動畫 */
.nav-link {
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: white;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.nav-link:hover::after {
    transform: translateX(0);
}

/* 搜索欄動畫 */
.search-bar input:focus {
    width: 250px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

/* 通知鈴鐺動畫 */
@keyframes ring {
    0% { transform: rotate(0); }
    10% { transform: rotate(30deg); }
    20% { transform: rotate(-28deg); }
    30% { transform: rotate(25deg); }
    40% { transform: rotate(-22deg); }
    50% { transform: rotate(18deg); }
    60% { transform: rotate(-15deg); }
    70% { transform: rotate(12deg); }
    80% { transform: rotate(-8deg); }
    90% { transform: rotate(5deg); }
    100% { transform: rotate(0); }
}

.notification-bell:hover i {
    animation: ring 1s ease;
}

/* 功能卡片動畫 */
.feature-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: 0.5s;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

/* ===== 管理面板樣式 ===== */
.admin-panel {
    display: flex;
    min-height: 100vh;
}

.admin-nav {
    width: 280px;
    background-color: #1a2234;
    color: white;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    box-shadow: 4px 0 10px rgba(0, 0, 0, 0.1);
}

.nav-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.nav-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.menu-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.menu-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    padding: 0.5rem 1rem;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.menu-item:hover,
.menu-item.active {
    background: rgba(255,255,255,0.1);
    color: white;
    transform: translateX(5px);
}

.menu-item i {
    width: 20px;
    text-align: center;
}

/* ===== 用戶資料區域 ===== */
.nav-footer {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1rem;
}

.admin-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
}

.admin-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.admin-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.admin-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.admin-role {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
}

/* ===== 登出按鈕 ===== */
.logout-button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #ff4757, #ff6b81);
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.2);
    position: relative;
    overflow: hidden;
}

.logout-button i {
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.logout-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 71, 87, 0.3);
    background: linear-gradient(135deg, #ff6b81, #ff4757);
}

.logout-button:hover i {
    transform: rotate(180deg);
}

.logout-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: 0.5s;
}

.logout-button:hover::before {
    left: 100%;
}

.logout-button:active {
    transform: translateY(-1px);
    box-shadow: 0 2px 10px rgba(255, 71, 87, 0.2);
}

/* 在小螢幕上的樣式 */
@media (max-width: 768px) {
    .logout-button {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
}

/* 安全資訊彈出視窗樣式 */
.security-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.security-modal.show {
    opacity: 1;
    visibility: visible;
}

.security-modal-content {
    background: var(--surface-color);
    width: 90%;
    max-width: 500px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    animation: modalSlideIn 0.3s ease;
}

.security-modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.security-modal-header h2 {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-primary);
}

.security-modal-header i {
    color: var(--primary-color);
}

.close-security-modal {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.close-security-modal:hover {
    color: var(--text-primary);
    transform: rotate(90deg);
}

.security-info-content {
    padding: 1.5rem;
}

.security-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
    margin-bottom: 1rem;
}

.security-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    padding: 0.5rem;
    background: rgba(67, 97, 238, 0.1);
    border-radius: 8px;
}

.info-details h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.info-details p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.verified-tag {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    background: var(--success-color);
    color: white;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.security-footer {
    padding: 1rem 1.5rem;
    background: rgba(255,255,255,0.05);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 15px 15px;
}

.security-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--success-color);
}

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