:root {
    --primary: #016B61;
    --primary-hover: #70B2B2;
    --danger: #ef4444;
    --info: #3b82f6;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --white: #ffffff;
    --gradient-start: #016B61;
    --gradient-end: #70B2B2;
}

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

html,
body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--text-dark);
}

.login-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: 100vh;
    width: 100vw;
}

.login-left {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    padding: 2rem;
    overflow-y: auto;
}

.login-form-wrapper {
    width: 100%;
    max-width: 420px;
}

.logo-section {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-section img {
    width: 120px;
    height: auto;
    margin-bottom: 1rem;
}

.login-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: 2rem;
}

.form-floating {
    position: relative;
    margin-bottom: 1.25rem;
}

.form-floating>.form-control {
    height: 56px;
    padding: 1rem 3rem 1rem 3rem;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 0.9375rem;
    transition: border-color 0.2s;
}

.form-floating>.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    outline: 0;
}

.form-floating>label {
    padding: 1rem 3rem;
    color: var(--text-muted);
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    z-index: 4;
    pointer-events: none;
}

.form-control:focus~.input-icon {
    color: var(--primary);
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.invalid-feedback {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--danger);
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    z-index: 4;
    padding: 0.5rem;
}

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

.form-check {
    padding-left: 1.75rem;
    margin-bottom: 1.25rem;
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    border: 2px solid var(--border);
    border-radius: 0.25rem;
}

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

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.btn-login {
    width: 100%;
    height: 56px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), #70B2B2);
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.4);
}

.btn-login:active:not(:disabled) {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-login .spinner-border {
    width: 1.125rem;
    height: 1.125rem;
    border-width: 2px;
    display: none;
}

.btn-login.loading .spinner-border {
    display: inline-block;
}

.btn-login.loading .btn-text {
    visibility: hidden;
}

.alert-modern {
    border: none;
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1.25rem;
    animation: slideDown 0.3s ease-out;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
    border-left: 4px solid var(--info);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

.alert-icon {
    margin-right: 0.75rem;
}

.recaptcha-wrapper {
    margin-bottom: 1.25rem;
    display: flex;
    justify-content: center;
}

.footer-text {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.login-right {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.login-right-content {
    text-align: center;
    padding: 2rem;
    z-index: 1;
    position: relative;
}

.login-right-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.login-right-content p {
    font-size: 1.125rem;
    opacity: 0.95;
}

.loader {
    position: fixed;
    inset: 0;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.3s;
}

.loader.hide {
    opacity: 0;
    pointer-events: none;
}

.loader::after {
    content: '';
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 991.98px) {
    .login-container {
        grid-template-columns: 1fr;
    }

    .login-right {
        display: none;
    }

    .login-left {
        padding: 1.5rem;
    }
}

@media (max-width: 575.98px) {
    .login-left {
        padding: 1rem;
    }

    .login-title {
        font-size: 1.5rem;
    }

    .logo-section img {
        width: 100px;
    }
}

/* Performance optimizations */
.login-right {
    will-change: transform;
}

.btn-login:hover {
    will-change: transform;
}