/**
 * Login Page Styles
 * Modern and secure login form design
 */

/* 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);
}

body {
    background: transparent; /* Remove gradient since we have background image */
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 20px;
    position: relative;
}

.login-container {
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    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);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 600;
    color: #333;
    margin: 0 0 10px 0;
}

.login-header p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s, box-shadow 0.3s;
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control::placeholder {
    color: #999;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

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

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Alert Messages */
.alert {
    padding: 12px 15px;
    border-radius: 5px;
    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);
    }
}

.alert-danger {
    background-color: #fee;
    border: 1px solid #fcc;
    color: #c33;
}

.alert-success {
    background-color: #efe;
    border: 1px solid #cfc;
    color: #3c3;
}

.alert-warning {
    background-color: #ffc;
    border: 1px solid #ffb;
    color: #c93;
}

.alert-info {
    background-color: #eff;
    border: 1px solid #cff;
    color: #39c;
}

/* Remember Me Checkbox */
.remember-me {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.remember-me input[type="checkbox"] {
    margin-right: 8px;
    cursor: pointer;
    width: 16px;
    height: 16px;
}

.remember-me label {
    font-size: 14px;
    color: #666;
    cursor: pointer;
    user-select: none;
    margin: 0;
}

/* Divider */
.divider {
    text-align: center;
    margin: 20px 0;
    color: #999;
    font-size: 13px;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background-color: #ddd;
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

/* Footer Links */
.login-footer {
    text-align: center;
    margin-top: 20px;
}

.login-footer a {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.login-footer a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        padding: 30px 20px;
    }
    
    .login-header h1 {
        font-size: 24px;
    }
    
    body {
        padding: 10px;
    }
}

/* Loading State */
.btn-login.loading {
    position: relative;
    color: transparent;
}

.btn-login.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Microsoft Login Button */
.btn-microsoft {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px;
    background: #2f2f2f;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    text-decoration: none;
    box-sizing: border-box;
    margin-bottom: 15px;
}

.btn-microsoft:hover {
    background: #1a1a1a;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

.btn-microsoft svg {
    flex-shrink: 0;
}