:root {
    --login-green: #2563eb;
    --login-green-dark: #1d4ed8;
    --login-ink: #111827;
    --login-muted: #6b7280;
    --login-border: #d1d5db;
    --login-surface: rgba(255, 255, 255, 0.94);
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    padding: 24px;
    display: grid;
    place-items: center;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--login-ink);
    background-color: #0f172a;
    background-image:
        linear-gradient(120deg, rgba(15, 23, 42, 0.92), rgba(30, 41, 59, 0.82), rgba(37, 99, 235, 0.30)),
        url("../../img/login/logo.02cfee214398.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.login-container {
    width: min(100%, 380px);
    margin: 0;
    padding: 28px;
    background: var(--login-surface);
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 8px;
    box-shadow: 0 24px 60px rgba(12, 20, 18, 0.28);
    backdrop-filter: blur(8px);
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.login-container:hover {
    transform: translateY(-2px);
    box-shadow: 0 28px 68px rgba(12, 20, 18, 0.32);
}

h2 {
    margin: 0 0 22px;
    text-align: left;
    color: var(--login-ink);
    font-size: 1.55rem;
    line-height: 1.2;
    font-weight: 800;
}

ul {
    margin: 0 0 16px;
    padding: 0;
    list-style: none;
}

li,
.error {
    margin-bottom: 10px;
    padding: 9px 10px;
    border: 1px solid #f0b8b4;
    border-radius: 6px;
    background: #fff2f1;
    color: #9f1c14;
    font-size: 0.9rem;
}

form > div {
    margin-bottom: 14px;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    min-height: 46px;
    padding: 11px 12px;
    margin: 0;
    border: 1px solid var(--login-border);
    border-radius: 6px;
    background: #ffffff;
    color: var(--login-ink);
    font-size: 0.98rem;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

input[type="text"]::placeholder,
input[type="password"]::placeholder {
    color: var(--login-muted);
}

input[type="text"]:focus,
input[type="password"]:focus {
    border-color: var(--login-green);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

button {
    width: 100%;
    min-height: 46px;
    padding: 11px 14px;
    margin-top: 4px;
    background-color: var(--login-green);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 800;
    transition: background-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.24);
}

button:hover,
button:focus {
    background-color: var(--login-green-dark);
    box-shadow: 0 16px 30px rgba(29, 78, 216, 0.32);
    transform: translateY(-1px);
}

button:active {
    background-color: #1e40af;
    transform: translateY(0);
}

@media (max-width: 480px) {
    body {
        padding: 16px;
    }

    .login-container {
        padding: 22px;
    }

    h2 {
        font-size: 1.35rem;
    }
}