:root {
    --admin-dark: #0d1117;
    --admin-panel: #161b22;
    --admin-accent: #238636;
    --admin-warning: #da3633;
    --admin-text: #c9d1d9;
    --admin-border: #30363d;
}

body {
    background: radial-gradient(ellipse at top, #0d1117, #010409);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--admin-text);
    font-family: 'Segoe UI', 'Noto Sans', system-ui, sans-serif;
}

#login-container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
}

.admin-login-box {
    background: rgba(22, 27, 34, 0.9);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--admin-border);
    text-align: center;
    backdrop-filter: blur(10px);
}

.admin-logo {
    font-size: 64px;
    margin-bottom: 20px;
    color: var(--admin-accent);
}

h1 {
    font-size: 24px;
    margin-bottom: 30px;
    font-weight: 600;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

input {
    width: 100%;
    padding: 14px;
    background: rgba(13, 17, 23, 0.7);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    color: var(--admin-text);
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
}

input:focus {
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px rgba(35, 134, 54, 0.3);
}

.admin-login-btn {
    width: 100%;
    padding: 14px;
    background: var(--admin-accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    margin-top: 20px;
}

.admin-login-btn:hover {
    background: #2ea043;
    transform: translateY(-2px);
}

.admin-login-btn:active {
    transform: translateY(0);
}

.security-notice {
    margin-top: 30px;
    padding: 15px;
    background: rgba(218, 54, 51, 0.1);
    border: 1px solid rgba(218, 54, 51, 0.3);
    border-radius: 8px;
    font-size: 14px;
}

.security-notice p {
    margin: 0;
    line-height: 1.5;
}

.hidden {
    display: none;
}

@media (max-width: 600px) {
    .admin-login-box {
        padding: 30px 20px;
    }
    
    h1 {
        font-size: 20px;
    }
}