:root {
    --brand-green: #4ade80;
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.8);
    --text-light: #f8fafc;
    --border-glass: rgba(255, 255, 255, 0.1);
    --electric-glow: rgba(74, 222, 128, 0.2);
}

/* 1. THE CRITICAL ALIGNMENT FIX */
*, *::before, *::after {
    box-sizing: border-box; /* Prevents elements from exceeding parent width */
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 30px;
    width: 100%; /* Ensures it fills its wrapper */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* 2. INPUT FIELD REFINEMENT */
input, select, textarea {
    width: 100%; /* Now stays inside because of border-box */
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-glass);
    color: white;
    padding: 14px;
    border-radius: 8px;
    margin-top: 8px;
    margin-bottom: 20px;
    font-size: 16px;
    transition: all 0.3s ease;
}

input:focus {
    border-color: var(--brand-green);
    outline: none;
    box-shadow: 0 0 10px var(--electric-glow);
}

label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--brand-green);
}

.btn-primary {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
}