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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    height: 100vh;
    overflow: hidden;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
}

.background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/server.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    z-index: 0;
}

.login-card-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.login-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 30px 30px;
    text-align: center;
    position: relative;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.login-header p {
    font-size: 14px;
    opacity: 0.95;
    margin: 0;
}

.login-body {
    padding: 40px 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.form-control {
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 12px 15px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: #f9f9f9;
}

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

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

.input-group-text {
    border: 2px solid #e0e0e0;
    background: #f9f9f9;
    color: #667eea;
}

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

.form-check-input {
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.form-check-label {
    color: #666;
    font-size: 14px;
    cursor: pointer;
    margin-left: 8px;
}

.login-button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

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

.forgot-password {
    text-align: right;
    margin-top: 15px;
}

.forgot-password a {
    color: #667eea;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.forgot-password a:hover {
    color: #764ba2;
    text-decoration: underline;
}

.divider {
    text-align: center;
    margin: 25px 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: #e0e0e0;
}

.divider span {
    position: relative;
    background: white;
    padding: 0 10px;
    color: #999;
    font-size: 13px;
}

.social-login {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}

.social-btn {
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background: white;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.social-btn:hover {
    border-color: #667eea;
    color: #667eea;
    background: #f9f9f9;
}

.social-btn i {
    font-size: 16px;
}

.login-footer {
    padding: 20px 30px;
    background: #f9f9f9;
    text-align: center;
    border-top: 1px solid #e0e0e0;
    font-size: 14px;
    color: #666;
}

.login-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.login-footer a:hover {
    text-decoration: underline;
}

.hero-section {
    display: none;
    flex: 1;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
    color: white;
    padding: 60px 40px;
    justify-content: center;
    align-items: center;
}

.hero-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
    opacity: 0.95;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
}

.feature-list i {
    color: #4ade80;
}

@media (min-width: 992px) {
    .login-container {
        justify-content: flex-end;
    }

    .hero-section {
        display: flex;
    }

    .login-card-wrapper {
        margin-right: 60px;
    }
}

@media (max-width: 768px) {
    .login-header h1 {
        font-size: 24px;
    }

    .login-body {
        padding: 30px 20px;
    }

    .login-header {
        padding: 30px 20px 20px;
    }

    .login-footer {
        padding: 15px 20px;
    }
}

/* Loading animation */
.btn-loading {
    pointer-events: none;
}

.spinner-border-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}