.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.85), rgba(18, 18, 18, 0.75)), 
                url('../img/machine.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-container {
    width: 100%;
    max-width: 500px;
}

.login-box {
    background: rgba(255, 255, 255, 0.98);
    padding: 3.5rem;
    border-radius: 25px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.logo-link {
    display: block;
    text-align: center;
    margin-bottom: 3rem;
}

.login-logo {
    width: 120px;
    height: auto;
}

.login-box h1 {
    font-size: 2rem;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    font-weight: 600;
}

.login-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.login-form .form-group {
    margin-bottom: 2rem;
}

.login-form .input-group {
    border: 1px solid #ddd;
    border-radius: 12px;
    overflow: hidden;
}

.login-form .input-group-text {
    background: transparent;
    border: none;
    color: var(--primary-color);
    padding-left: 1.5rem;
}

.login-form .form-control {
    border: none;
    padding: 1rem;
    height: auto;
    font-size: 1.1rem;
}

.login-form .form-control:focus {
    box-shadow: none;
}

.login-form .form-check {
    padding-left: 1.8rem;
}

.login-form .form-check-input {
    margin-left: -1.8rem;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.forgot-password:hover {
    color: var(--accent-color);
}

.btn-primary {
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 2rem;
    border-radius: 12px;
}

.login-footer {
    text-align: center;
    margin-top: 2.5rem;
    color: #666;
    font-size: 1.1rem;
}

.register-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.register-link:hover {
    color: var(--accent-color);
}

/* Add to your existing style.css */
.login-link {
    font-size: 1.2rem;
    padding: 0 15px;
}

.login-link:hover {
    color: var(--primary-color);
}

/* Loading spinner styles */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.btn-loading .btn-text {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18px;
    height: 18px;
    margin: -9px 0 0 -9px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}


/* Success state */
.btn-success {
    background-color: #28a745 !important;
    border-color: #28a745 !important;
    transition: all 0.3s ease;
}

/* Form loading - much more subtle */
.form-loading {
    position: relative;
    transition: all 0.3s ease;
}

.form-loading .form-control:not(:focus) {
    opacity: 0.7;
    pointer-events: none;
}

.form-loading .input-group {
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

/* Remove the heavy overlay entirely and just use subtle field dimming */
.form-loading::after {
    display: none;
}

/* Alternative fancy loader with pulsing effect */
.btn-pulse-loading {
    position: relative;
    overflow: hidden;
}

.btn-pulse-loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}