/**
 * Microsoft Login Page Styles
 * OAuth authentication page design
 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.logo img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* Background Image */
#login-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

#login-bg .login_bg,
#login-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Overlay for better readability */
#login-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: transparent;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

.login-container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 420px;
    width: 100%;
    padding: 40px;
    text-align: center;
    animation: fadeInUp 0.5s ease-out;
    position: relative;
    z-index: 1;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    margin-bottom: 30px;
}

h1 {
    font-size: 28px;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.subtitle {
    color: #666;
    margin-bottom: 30px;
    font-size: 14px;
}

.error-message {
    background: #fee;
    border: 1px solid #fcc;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.microsoft-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 14px 24px;
    background: #dfdfdf;
    color: #000000;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.3s ease, transform 0.2s ease;
}

.microsoft-btn:hover {
    background: #b8b8b8;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

.microsoft-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.info-text {
    margin-top: 20px;
    color: #999;
    font-size: 12px;
    line-height: 1.5;
}

.maintenance-message {
    padding: 1rem;
    font-size: small;
    color: red;
}

/* Responsive Design */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .login-container {
        padding: 30px 20px;
        border-radius: 12px;
    }

    h1 {
        font-size: 24px;
    }

    .subtitle {
        font-size: 13px;
    }

    .microsoft-btn {
        padding: 12px 20px;
        font-size: 15px;
    }

    .logo svg {
        width: 48px;
        height: 48px;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
    }
}