:root {
    --blue: #2563eb;
    --blue-soft: #e0e7ff;
    --dark: #020617;
    --border: #dbeafe;
    --text: #0f172a;
    --muted: #94a3b8;
    --radius-lg: 22px;
    --radius-md: 14px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #eef2ff, #f8fafc);
    display: grid;
    place-items: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    box-shadow:
        0 20px 40px rgba(2, 6, 23, 0.08),
        0 2px 6px rgba(2, 6, 23, 0.05);
}

.auth-container h2 {
    text-align: center;
    font-size: 22px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 28px;
}

.auth-container input {
    width: 100%;
    height: 52px;
    padding: 0 16px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border);
    font-size: 15px;
    color: var(--text);
    transition: all 0.25s ease;
}

.auth-container input::placeholder {
    color: var(--muted);
}

.auth-container input:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.auth-container button {
    width: 100%;
    height: 52px;
    border-radius: var(--radius-md);
    border: none;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
}

#sendOtp {
    background: var(--blue);
    color: #ffffff;
    margin: 16px 0 22px;
}

#sendOtp:hover {
    background: #1d4ed8;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
    transform: translateY(-1px);
}

#verifyOtp {
    background: linear-gradient(135deg, #020617, #0f172a);
    color: #ffffff;
    margin-top: 16px;
}

#verifyOtp:hover {
    box-shadow: 0 10px 24px rgba(2, 6, 23, 0.45);
    transform: translateY(-1px);
}

#recaptcha-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
}

@media (max-width: 480px) {
    .auth-container {
        padding: 28px 22px;
        border-radius: 18px;
    }

    .auth-container h2 {
        font-size: 20px;
    }
}