:root {
    --color-bg-primary: #0B0E13;
    --color-bg-secondary: #141824;
    --color-bg-elevated: #1C2333;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-text-primary: #FFFFFF;
    --color-text-secondary: rgba(255, 255, 255, 0.6);
    --color-accent-primary: #FF6B35;
    --color-accent-secondary: #FF8E53;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(255, 107, 53, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, #0F1419 100%);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--color-text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.navbar {
    background: rgba(20, 24, 36, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 0 0 rgba(255, 255, 255, 0.03);
}

.navbar-container {
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 120px;
    width: auto;
    filter: brightness(1.3) drop-shadow(0 4px 16px rgba(0, 0, 0, 0.7));
}

.nav-tabs {
    display: flex;
    gap: var(--spacing-xs);
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px var(--spacing-md);
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    white-space: nowrap;
}

.nav-tab i {
    font-size: 16px;
    opacity: 0.8;
}

.nav-tab:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-primary);
}

.nav-tab.active {
    background: linear-gradient(135deg, var(--color-accent-primary) 0%, #FF5722 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
}

.nav-tab.active i {
    opacity: 1;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 0 14px;
    height: 42px;
    min-width: 240px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.search-box::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 10px;
    padding: 1px;
    background: linear-gradient(135deg, transparent, rgba(255, 107, 53, 0.2));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.search-box:focus-within::before {
    opacity: 1;
}

.search-box:focus-within {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 107, 53, 0.4);
}

.search-box i {
    color: var(--color-text-secondary);
    font-size: 15px;
    transition: color 0.2s ease;
}

.search-box:focus-within i {
    color: var(--color-accent-primary);
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-primary);
    font-size: 14px;
    font-weight: 500;
}

.search-box input::placeholder {
    color: var(--color-text-secondary);
}

.balance-card {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 8px;
}

.balance-card i {
    color: var(--color-text-secondary);
    font-size: 16px;
}

.balance-amount {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text-primary);
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--color-accent-primary);
    border: none;
    color: #fff;
    padding: 9px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary:hover {
    background: var(--color-accent-secondary);
}

.btn-primary i {
    font-size: 14px;
}

.btn-secondary {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    padding: 9px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-secondary i {
    font-size: 14px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 12px 4px 4px;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
    color: inherit;
}

.user-menu:hover {
    background: rgba(255, 255, 255, 0.05);
}

.user-menu i.fa-chevron-down {
    font-size: 10px;
    color: var(--color-text-secondary);
}

.avatar-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-circle i {
    color: #fff;
    font-size: 16px;
}

.main-wrapper {
    max-width: 1920px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

@media(max-width:768px){
    .navbar-container{height:60px!important;padding:0 12px!important}
    .logo-img{height:45px!important}
    .main-wrapper{padding:12px!important}
    .search-box{display:none}
    .btn-primary span,.btn-secondary span{display:none}
}