:root {
    --primary: #FF1E1E;
    --primary-dark: #cc0000;
    --bg-color: #000000;
    --text-main: #FFFFFF;
    --text-light: #B0B0B0;
    --glass-bg: rgba(20, 20, 20, 0.8);
    --glass-border: rgba(255, 30, 30, 0.2);
    --border-radius: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    background: var(--bg-color);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Background */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #220000 0%, #000000 100%);
    z-index: -2;
}

/* Header */
.app-header {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    z-index: 100;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-family: 'Dancing Script', cursive;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: 0 0 10px rgba(255, 30, 30, 0.5);
}

/* Navigation */
.bottom-nav {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    height: 70px;
    background: rgba(30, 30, 30, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 35px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #555;
    text-decoration: none;
    transition: all 0.3s;
    width: 60px;
}

.nav-item i {
    font-size: 1.4rem;
    margin-bottom: 4px;
}

.nav-item span {
    font-size: 0.7rem;
    font-weight: 500;
    opacity: 0.7;
}

.nav-item.active {
    color: var(--primary);
}

.nav-item.active i {
    transform: translateY(-5px);
    text-shadow: 0 0 10px var(--primary);
}

.nav-item.active span {
    opacity: 1;
    color: white;
}

/* Transitions */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}