/* ── Login page — two-column branded layout ───────────────────────────────── */
html, body {
    height: 100%;
    margin: 0;
    background: var(--irt-warm-white);
}

.login-page {
    display: flex;
    min-height: 100vh;
}

/* LEFT PANEL — 40%, brand blue-dark */
.login-left {
    width: 40%;
    min-width: 280px;
    background: linear-gradient(160deg, var(--irt-blue-dark) 0%, var(--irt-blue) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    text-align: center;
    color: white;
}

.login-left .login-logo {
    width: 140px;
    height: 140px;
    margin-bottom: 1.5rem;
    filter: brightness(0) invert(1);  /* white version of SVG logo */
}

.login-left .login-app-name {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    margin-bottom: 0.4rem;
}

.login-left .login-tagline {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
    font-style: italic;
    max-width: 260px;
    line-height: 1.5;
}

/* RIGHT PANEL — 60%, warm white */
.login-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--irt-warm-white);
}

/* LOGIN CARD */
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--irt-card-bg);
    border: 1px solid var(--irt-border);
    border-radius: var(--irt-radius);
    box-shadow: var(--irt-shadow);
    padding: 2.5rem 2rem 2rem;
}

.login-card .login-heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--irt-blue-dark);
    margin-bottom: 0.25rem;
}

.login-card .login-subheading {
    font-size: 0.875rem;
    color: var(--irt-text-muted);
    margin-bottom: 1.75rem;
}

.login-card .form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--irt-text);
}

.login-card .form-control {
    border-color: var(--irt-border);
    border-radius: var(--irt-radius-sm);
}

    .login-card .form-control:focus {
        border-color: var(--irt-blue-light);
        box-shadow: 0 0 0 3px rgba(45, 111, 212, 0.15);
    }

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

.login-card .btn-signin {
    background: var(--irt-blue);
    color: white;
    border: none;
    border-radius: var(--irt-radius-sm);
    padding: 0.6rem 1rem;
    font-weight: 600;
    width: 100%;
    transition: background 0.15s ease;
}

    .login-card .btn-signin:hover {
        background: var(--irt-blue-dark);
    }

.login-card .login-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--irt-text-muted);
}

/* Error alert */
.login-card .login-error {
    background: #fdf2f2;
    border: 1px solid var(--irt-danger);
    border-radius: var(--irt-radius-sm);
    color: var(--irt-danger);
    padding: 0.65rem 0.9rem;
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

/* ── Mobile: left panel collapses to slim header ──────────────────────────── */
@media (max-width: 768px) {
    .login-page {
        flex-direction: column;
    }

    .login-left {
        width: 100%;
        min-width: unset;
        padding: 1.25rem 1.5rem;
        flex-direction: row;
        justify-content: flex-start;
        gap: 1rem;
        text-align: left;
    }

    .login-left .login-logo {
        width: 40px;
        height: 40px;
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .login-left .login-app-name {
        font-size: 1.1rem;
        margin-bottom: 0;
    }

    .login-left .login-tagline {
        display: none;
    }

    .login-right {
        padding: 1.5rem 1rem;
        align-items: flex-start;
    }
}