:root {
    /* Colors */
    --bg-dark: #0a0a0e;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --primary: #D7E26B;
    --primary-glow: #d7e26b80;
    --secondary: #398061;
    --accent: #FFFDC2;
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    --success: #10b981;
    --error: #ef4444;

    /* Gradients */
    --gradient-bg: linear-gradient(135deg, #1a1c10 0%, #000000 100%);
    --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
    --gradient-primary: linear-gradient(135deg, #D7E26B, #c0ca33);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Borders */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --border-light: rgba(255, 255, 255, 0.15);

    /* Fonts */
    --font-main: 'Outfit', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-main);
    background: var(--bg-dark);
    background-image: var(--gradient-bg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
}

.app-container {
    width: 100%;
    max-width: 480px;
    /* Mobile constraint */
    min-height: 100vh;
    position: relative;
    background: transparent;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 32px;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 24px;
    margin-bottom: var(--spacing-sm);
}

p {
    color: var(--text-muted);
    line-height: 1.5;
    font-size: 16px;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 24px -1px rgba(0, 0, 0, 0.2);
}

.glass-button {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 16px 32px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    display: inline-block;
    text-decoration: none;
}

.glass-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px var(--primary-glow);
    background: linear-gradient(135deg, #e6f085, #c5d15b);
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: var(--spacing-sm);
}

.btn-text:hover {
    color: var(--text-main);
    background: transparent;
    box-shadow: none;
    transform: none;
}

/* Inputs */
input[type="text"],
input[type="number"] {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-light);
    padding: 16px;
    border-radius: var(--radius-sm);
    color: white;
    font-family: var(--font-main);
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
}

input:focus {
    border-color: var(--primary);
}

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

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

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.delay-1 {
    animation-delay: 0.1s;
    opacity: 0;
}

.delay-2 {
    animation-delay: 0.2s;
    opacity: 0;
}

.delay-3 {
    animation-delay: 0.3s;
    opacity: 0;
}

/* Background Orbs */
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.6;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 250px;
    height: 250px;
    background: var(--secondary);
    bottom: 10%;
    right: -50px;
}