:root {
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --background: #0f172a;
    --surface: #1e293b;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
    --error: #f87171;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    margin: auto;
}

.login-box {
    background: var(--surface);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    width: 250px;
    height: auto;
    /* Preserve aspect ratio */
    max-width: 100%;
}

.logo-container h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.logo-container p {
    color: var(--text-muted);
    font-size: 14px;
}

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

.input-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 16px;
    transition: all 0.2s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper input {
    padding-right: 40px;
    /* Make room for the button */
}

.btn-toggle-password {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
    transition: color 0.2s;
}

.btn-toggle-password:hover {
    color: var(--text);
}

.btn-toggle-password svg {
    width: 20px;
    height: 20px;
}

.hidden {
    display: none !important;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 10px;
}

.btn-login:hover {
    background: var(--primary-hover);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.error-message {
    color: var(--error);
    font-size: 14px;
    margin-bottom: 15px;
    display: none;
    text-align: center;
}

.site-footer {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 13px;
    margin-top: auto;
    /* Pushes footer to bottom */
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        padding: 16px;
    }

    .login-box {
        padding: 24px 20px;
    }

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