/* Dark, minimalist defense theme setup */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: #121212;
    color: #ffffff;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Centered layout box */
.central-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

/* Forces the logo to scale perfectly to ~1/3 of the vertical screen height */
.logo-wrapper {
    height: 33vh; 
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.center-logo {
    height: 100%;
    width: auto;
    object-fit: contain;
}

/* Typography styles */
.tagline {
    font-size: 1rem;
    letter-spacing: 3px;
    text-transform: lowercase;
    color: #a0a0a0;
    margin-bottom: 8px;
}

.brand-title {
    font-size: 1.4rem;
    letter-spacing: 2px;
    color: #e0e0e0; /* Lighter font color */
    margin-bottom: 40px;
}

/* Minimalist credentials input fields & button */
.login-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.input-field input {
    width: 100%;
    padding: 14px;
    background-color: #1a1a1a;
    border: 1px solid #333333;
    color: #ffffff;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-align: center;
    border-radius: 4px;
    outline: none;
    transition: border-color 0.2s;
}

.input-field input:focus {
    border-color: #cca43b; /* Accent highlight color matches gold branding tint */
}

.login-btn {
    width: 100%;
    padding: 14px;
    background-color: #ffffff;
    color: #121212;
    border: none;
    font-weight: bold;
    font-size: 0.85rem;
    letter-spacing: 2px;
    cursor: pointer;
    border-radius: 4px;
    transition: opacity 0.2s;
}

.login-btn:hover {
    opacity: 0.9;
}