:root {
    --santri-primary: #0d9488;
    --santri-primary-dark: #0f766e;
    --santri-primary-light: #14b8a6;
    --santri-surface: #f0fdfa;
    --santri-border: #e2e8f0;
    --santri-text: #1e293b;
    --santri-muted: #64748b;
}

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

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Plus Jakarta Sans', 'Segoe UI', system-ui, sans-serif;
    background: linear-gradient(135deg, #0c4a6e 0%, #0f766e 45%, #14b8a6 100%);
    padding: 1.5rem;
    -webkit-font-smoothing: antialiased;
}

.login-wrapper {
    width: 100%;
    max-width: 960px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.22);
    overflow: hidden;
    display: flex;
    min-height: 560px;
    animation: cardEnter 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ——— Left: Form ——— */
.login-left {
    flex: 1;
    padding: 2.5rem 2.75rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-brand {
    text-align: center;
    margin-bottom: 1.75rem;
}

.login-brand-logo {
    max-width: 72px;
    max-height: 72px;
    object-fit: contain;
    margin-bottom: 0.65rem;
}

.login-brand-logo--placeholder {
    width: 72px;
    height: 72px;
    margin: 0 auto 0.65rem;
    background: var(--santri-surface);
    border: 2px solid #ccfbf1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--santri-primary);
    font-size: 1.75rem;
}

.login-brand-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--santri-primary-dark);
    margin: 0 0 0.15rem;
    letter-spacing: -0.02em;
}

.login-brand-subtitle {
    font-size: 0.8rem;
    color: var(--santri-muted);
    margin: 0;
    line-height: 1.4;
}

.login-heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--santri-text);
    margin-bottom: 0.35rem;
    letter-spacing: -0.02em;
}

.login-heading-desc {
    font-size: 0.875rem;
    color: var(--santri-muted);
    margin-bottom: 1.5rem;
}

.portal-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    background: var(--santri-surface);
    border: 1px solid #99f6e4;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--santri-primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 1.25rem;
}

/* Identity card */
.santri-identity {
    display: none;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.1rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #f0fdfa 0%, #ecfeff 100%);
    border: 1px solid #99f6e4;
    border-radius: 14px;
    position: relative;
    overflow: hidden;
    animation: identityIn 0.35s ease forwards;
}

.santri-identity::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--santri-primary-light), var(--santri-primary-dark));
    border-radius: 4px 0 0 4px;
}

.santri-identity.is-visible {
    display: flex;
}

.santri-identity.is-error {
    background: linear-gradient(135deg, #fef2f2 0%, #fff1f2 100%);
    border-color: #fecaca;
}

.santri-identity.is-error::before {
    background: linear-gradient(180deg, #f87171, #dc2626);
}

@keyframes identityIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.santri-identity__avatar {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--santri-primary), var(--santri-primary-dark));
    color: #fff;
    font-weight: 700;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.35);
}

.santri-identity.is-error .santri-identity__avatar {
    background: linear-gradient(135deg, #f87171, #dc2626);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
}

.santri-identity__info {
    min-width: 0;
    flex: 1;
}

.santri-identity__label {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--santri-primary);
    margin-bottom: 0.2rem;
}

.santri-identity.is-error .santri-identity__label {
    color: #dc2626;
}

.santri-identity__name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--santri-text);
    margin-bottom: 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: -0.01em;
}

.santri-identity.is-error .santri-identity__name {
    color: #991b1b;
}

.santri-identity__meta {
    font-size: 0.8rem;
    color: var(--santri-muted);
    line-height: 1.45;
}

.santri-identity.is-error .santri-identity__meta {
    color: #b91c1c;
}

.santri-identity__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.4rem;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    background: #ccfbf1;
    color: #0f766e;
}

/* Form fields */
.form-label {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--santri-muted);
    margin-bottom: 0.45rem;
}

.input-group-text {
    background: #f8fafc;
    border: 1px solid var(--santri-border);
    border-right: none;
    border-radius: 10px 0 0 10px;
    color: var(--santri-primary);
    padding: 0 0.9rem;
}

.form-control {
    border: 1px solid var(--santri-border);
    border-left: none;
    border-radius: 0 10px 10px 0;
    padding: 0.72rem 1rem;
    font-size: 0.95rem;
    color: var(--santri-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    border-color: var(--santri-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
    color: var(--santri-text);
}

.input-group:focus-within .input-group-text {
    border-color: var(--santri-primary);
}

.input-group--password .form-control {
    border-right: none;
    border-radius: 0;
}

.input-group--password .btn-toggle-pw {
    border: 1px solid var(--santri-border);
    border-left: none;
    border-radius: 0 10px 10px 0;
    background: #f8fafc;
    color: var(--santri-muted);
    padding: 0 0.85rem;
    transition: color 0.2s;
}

.input-group--password .btn-toggle-pw:hover {
    color: var(--santri-primary);
}

.input-group--password:focus-within .btn-toggle-pw {
    border-color: var(--santri-primary);
}

.nis-loading {
    display: none;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: var(--santri-primary);
    margin-top: 0.4rem;
    font-weight: 500;
}

.nis-loading.is-active {
    display: flex;
}

.nis-loading__spinner {
    width: 14px;
    height: 14px;
    border: 2px solid #ccfbf1;
    border-top-color: var(--santri-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

.btn-santri-login {
    width: 100%;
    padding: 0.8rem 1.25rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--santri-primary) 0%, var(--santri-primary-dark) 100%);
    border: none;
    color: #fff;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
    letter-spacing: 0.01em;
}

.btn-santri-login:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.45);
    color: #fff;
}

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

.btn-santri-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
}

.login-footer {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--santri-border);
    text-align: center;
    font-size: 0.85rem;
    color: var(--santri-muted);
}

.login-footer a {
    color: var(--santri-primary-dark);
    font-weight: 600;
    text-decoration: none;
}

.login-footer a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.alert-login {
    border-radius: 10px;
    border: none;
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
}

/* ——— Right: Brand panel ——— */
.login-right {
    flex: 1;
    position: relative;
    padding: 2rem 1.75rem;
    color: #fff;
    display: flex;
    flex-direction: column;
    border-radius: 0 20px 20px 0;
    overflow: hidden;
    min-height: 400px;
}

.login-right::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: var(--login-bg-url);
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.login-right::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(12, 74, 110, 0.82) 0%, rgba(15, 118, 110, 0.78) 55%, rgba(20, 184, 166, 0.72) 100%);
    z-index: 1;
}

.login-right-inner {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 16px;
    padding: 1.75rem 1.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.login-right-title {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.85;
    margin-bottom: 0.5rem;
}

.login-right-heading {
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.65rem;
    letter-spacing: -0.02em;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.login-right-desc {
    font-size: 0.85rem;
    opacity: 0.92;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.login-feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.login-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.45rem 0;
    font-size: 0.82rem;
    line-height: 1.45;
    opacity: 0.95;
}

.login-feature-list li i {
    flex-shrink: 0;
    margin-top: 0.1rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

.login-right-footer {
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.78rem;
    opacity: 0.85;
    line-height: 1.5;
}

.login-right-footer strong {
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 1rem;
        align-items: flex-start;
        padding-top: 2rem;
    }

    .login-wrapper {
        flex-direction: column;
        max-width: 440px;
        min-height: auto;
    }

    .login-right {
        width: 100%;
        border-radius: 0;
        order: -1;
        padding: 1.25rem;
        min-height: 200px;
    }

    .login-right-inner {
        padding: 1.25rem;
    }

    .login-right-heading {
        font-size: 1.15rem;
    }

    .login-feature-list {
        display: none;
    }

    .login-left {
        padding: 2rem 1.75rem;
    }

    .login-brand {
        margin-bottom: 1.25rem;
    }
}