:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --accent: #f093fb;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.9);
    --text-muted: rgba(255, 255, 255, 0.6);
    --card-bg: rgba(0, 0, 0, 0.3);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-radius: 16px;
    --gradient-1: #0f0f1a;
    --gradient-2: #1a1a2e;
    --gradient-3: #16213e;
    --gradient-4: #0f0f1a;
}

body {
        background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
        color: #ffffff;
}

.content-card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
}

.card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #764ba2, #667eea);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
textarea,
select {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-radius: calc(16px - 4px);
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.nav-bar,
.floating-top-nav {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-action-btn,
.nav-icon {
    color: rgba(255, 255, 255, 0.9);
}

.nav-action-btn:hover,
.nav-icon:hover {
    color: #667eea;
}

.text-primary {
    color: #ffffff;
}

.text-secondary {
    color: rgba(255, 255, 255, 0.9);
}

.text-muted {
    color: rgba(255, 255, 255, 0.6);
}

a {
    color: #667eea;
}

a:hover {
    color: #f093fb;
}

::-webkit-scrollbar-thumb {
    background: #667eea;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.content-card, .card {
    backdrop-filter: blur(16px);
}