/* Clasrio Login Page Styles */
:root {
    --clasrio-blue: #4A6FA5;
    --clasrio-light-blue: #4A90E2;
    --clasrio-accent: #6BA6FF;
    --primary-gradient: linear-gradient(135deg, var(--clasrio-blue) 0%, var(--clasrio-light-blue) 50%, var(--clasrio-accent) 100%);
    --success-gradient: linear-gradient(135deg, var(--clasrio-light-blue) 0%, var(--clasrio-accent) 100%);
    --border-radius: 16px;
    --box-shadow: 0 20px 40px rgba(46, 91, 186, 0.15);
    --transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

body {
    background: linear-gradient(#2E5BBA 0%, #BBDEFB 100%);
    min-height: 100vh;
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

    body::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: radial-gradient(circle at 20% 20%, rgba(107, 166, 255, 0.3) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(74, 144, 226, 0.3) 0%, transparent 50%), radial-gradient(circle at 40% 60%, rgba(46, 91, 186, 0.2) 0%, transparent 50%);
        pointer-events: none;
    }

.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px rgba(124, 58, 237, 0.1);
}

    .logo-container img {
        height: 80px;
        width: auto;
        max-width: 200px;
        object-fit: contain;
        filter: drop-shadow(0 4px 8px rgba(46, 91, 186, 0.2));
    }

    /* Logo Color Override - Apply your chosen color */
    .logo-container img {
        filter: drop-shadow(0 4px 8px rgba(46, 91, 186, 0.2)) hue-rotate(-25deg) saturate(1.3) brightness(0.9);
    }

.login-header h1 {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.login-header p {
    color: #6b7280;
    font-size: 1rem;
    font-weight: 500;
}

.form-control {
    border-radius: 12px;
    border: 2px solid #e5e7eb;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

    .form-control:focus {
        border-color: var(--clasrio-purple);
        box-shadow: 0 0 0 0.25rem rgba(124, 58, 237, 0.15);
        background: white;
    }

    .form-control.is-invalid {
        border-color: #ef4444;
    }

        .form-control.is-invalid:focus {
            border-color: #ef4444;
            box-shadow: 0 0 0 0.25rem rgba(239, 68, 68, 0.15);
        }

.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    z-index: 5;
    transition: var(--transition);
}

.form-control.has-icon {
    padding-left: 3rem;
}

.form-control:focus + .input-icon {
    color: var(--clasrio-purple);
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    cursor: pointer;
    z-index: 5;
    transition: var(--transition);
}

    .password-toggle:hover {
        color: var(--clasrio-purple);
    }

.btn-login {
    background: var(--primary-gradient);
    border: none;
    color: white;
    padding: 1.1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    width: 100%;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

    .btn-login:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: 0 15px 35px rgba(124, 58, 237, 0.4);
        color: white;
    }

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

    .btn-login.loading::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 20px;
        height: 20px;
        margin: -10px 0 0 -10px;
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-top: 2px solid white;
        border-radius: 50%;
        animation: spin 1s linear infinite;
    }

.alert {
    border-radius: 12px;
    border: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.forgot-password {
    text-align: center;
    margin-top: 1.5rem;
}

    .forgot-password a {
        color: var(--clasrio-purple);
        text-decoration: none;
        font-weight: 600;
        transition: var(--transition);
    }

        .forgot-password a:hover {
            color: var(--clasrio-light);
            text-decoration: underline;
        }

.form-check {
    margin: 1.5rem 0;
}

.form-check-input:checked {
    background-color: var(--clasrio-purple);
    border-color: var(--clasrio-purple);
}

.form-check-label {
    color: #4b5563;
    font-weight: 500;
}

.invalid-feedback {
    display: block;
    font-size: 0.875rem;
    color: #ef4444;
    margin-top: 0.25rem;
    font-weight: 500;
}

.system-info {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-radius: 12px;
    padding: 1.2rem;
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: #4b5563;
    border: 1px solid rgba(124, 58, 237, 0.15);
    font-weight: 500;
}

/* Animations */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

.login-container {
    animation: fadeIn 0.8s ease-out;
}

/* Helper sections styling */
#usernameHelper, #troubleshootingInfo {
    background: rgba(255, 255, 255, 0.95) !important;
    border: 1px solid rgba(124, 58, 237, 0.2) !important;
    border-radius: 12px !important;
    backdrop-filter: blur(10px) !important;
}

    #usernameHelper .btn-outline-primary,
    #troubleshootingInfo .btn-outline-secondary {
        border-color: var(--clasrio-purple) !important;
        color: var(--clasrio-purple) !important;
    }

        #usernameHelper .btn-outline-primary:hover,
        #troubleshootingInfo .btn-outline-secondary:hover {
            background-color: var(--clasrio-purple) !important;
            border-color: var(--clasrio-purple) !important;
            color: white !important;
        }

/* Responsive Design */
@media (max-width: 576px) {
    .login-container {
        padding: 2rem 1.5rem;
        margin: 1rem;
    }

    .login-header h1 {
        font-size: 1.8rem;
    }

    .logo-container img {
        height: 60px;
    }
}