:root {
    --white: #FEFEFE;
    --silver: #C7C7C7;
    --dark-cyan: #029FA4;
    --polynesian-blue: #004896;
    --eerie-black: #1F1F1E;
}

/* Main login container */
.login-pf {
    background: linear-gradient(135deg, var(--polynesian-blue) 0%, var(--dark-cyan) 100%);
}

/* Card styling */
.login-pf body {
    background: transparent;
}

.card-pf {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(31, 31, 30, 0.1);
    border: 1px solid var(--silver);
}

/* Header styling */
.login-pf .login-pf-header {
    margin-bottom: 30px;
}

.login-pf .login-pf-header h1 {
    color: var(--eerie-black);
    font-weight: 600;
    font-size: 24px;
}

/* Form elements */
.form-control {
    border: 2px solid var(--silver);
    border-radius: 6px;
    padding: 12px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--dark-cyan);
    box-shadow: 0 0 0 3px rgba(2, 159, 164, 0.1);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--polynesian-blue) 0%, var(--dark-cyan) 100%);
    border: none;
    border-radius: 6px;
    padding: 12px 24px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, #003a7a 0%, #02888d 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(2, 159, 164, 0.3);
}

/* Links */
.login-pf a {
    color: var(--dark-cyan);
    transition: color 0.3s ease;
}

.login-pf a:hover {
    color: var(--polynesian-blue);
    text-decoration: none;
}

/* Alert messages */
.alert-error {
    background-color: rgba(255, 0, 0, 0.1);
    border-color: #d9534f;
    color: var(--eerie-black);
}

.alert-success {
    background-color: rgba(2, 159, 164, 0.1);
    border-color: var(--dark-cyan);
    color: var(--eerie-black);
}

/* Footer */
.login-pf-page-footer {
    color: var(--white);
}

.login-pf-page-footer a {
    color: var(--white);
    opacity: 0.9;
}

.login-pf-page-footer a:hover {
    color: var(--white);
    opacity: 1;
}

/* Custom CIMNE branding */
.cimne-brand {
    text-align: center;
    margin-bottom: 20px;
}

.cimne-logo {
    max-width: 120px;
    height: auto;
    margin-bottom: 10px;
}

.brand-name {
    color: var(--polynesian-blue);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.5px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .login-pf {
        background: var(--white);
    }
    
    .card-pf {
        box-shadow: none;
        border: none;
    }
}

/* Loading animation */
.pf-c-button.pf-m-progress .pf-c-button__progress {
    color: var(--white);
}

/* Input group additions */
.input-group-addon {
    background-color: var(--silver);
    border-color: var(--silver);
    color: var(--eerie-black);
}

/* Social provider buttons */
.social-provider-btn {
    border: 2px solid var(--silver);
    background: var(--white);
    color: var(--eerie-black);
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.social-provider-btn:hover {
    border-color: var(--dark-cyan);
    background: rgba(2, 159, 164, 0.05);
    transform: translateY(-1px);
}

/* Password strength indicator */
.password-strength {
    margin-top: 5px;
}

.strength-bar {
    height: 4px;
    background: var(--silver);
    border-radius: 2px;
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    transition: all 0.3s ease;
}

.strength-weak { background: #ff4757; width: 25%; }
.strength-fair { background: #ffa502; width: 50%; }
.strength-good { background: #2ed573; width: 75%; }
.strength-strong { background: var(--dark-cyan); width: 100%; }