:root {
    --accent-color: #ad2428;
    --accent-light: color-mix(in srgb, var(--accent-color), transparent 85%);
    --accent-dark: color-mix(in srgb, var(--accent-color), black 15%);
    --bg-soft: #f8fafc;
    --card-radius: 24px;
}

body {
    background-color: var(--bg-soft);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    overflow-x: hidden;
}

/* Desktop Max-Width Container */
.app-container {
    width: 100%;
    max-width: 480px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    margin: 0 auto;
    background-color: var(--bg-soft);
}

.login-card {
    background: #ffffff;
    border-radius: var(--card-radius);
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    border: none;
}

.app-logo {
    width: 64px;
    height: 64px;
    background-color: var(--accent-light);
    color: var(--accent-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    text-align: center;
    margin-bottom: 0.5rem;
}

p.subtitle {
    color: #64748b;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

/* Form Styling */
.form-floating > .form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.25rem var(--accent-light);
}

.form-control {
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    padding: 0.75rem 1rem;
}

.btn-primary {
    background-color: var(--accent-color);
    border: none;
    border-radius: 12px;
    padding: 0.8rem;
    font-weight: 600;
    transition: transform 0.2s, background-color 0.2s, box-shadow 0.2s;
}

.btn-primary:hover, .btn-primary:active, .btn-primary:focus {
    background-color: var(--accent-dark) !important;
    transform: scale(0.98);
    box-shadow: 0 4px 12px var(--accent-light) !important;
    outline: none !important;
}

.links-container {
    text-align: center;
    margin-top: 1.5rem;
}

.links-container a {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: opacity 0.2s;
}

.links-container a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer-text {
    margin-top: auto;
    text-align: center;
    padding: 2rem 0;
    font-size: 0.85rem;
    color: #94a3b8;
}