/* ══════════════════════════════════════════════════════════════
   Account Login — Clean Geometric (theme-aware via semantic tokens)
   ══════════════════════════════════════════════════════════════ */

/* ── Shell ── */
.account-shell {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--rz-body-background-color);
    overflow: hidden;
    font-family: 'DM Sans', var(--rz-text-font-family, sans-serif);
}

/* ── Architectural grid background ── */
.account-grid-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.account-grid-line {
    position: absolute;
    background: var(--rz-text-tertiary-color, var(--rz-text-secondary-color));
    opacity: 0.22;
}

.account-grid-line--v1 { left: 15%; top: 0; bottom: 0; width: 1px; }
.account-grid-line--v2 { left: 50%; top: 0; bottom: 0; width: 1px; }
.account-grid-line--v3 { right: 15%; top: 0; bottom: 0; width: 1px; }
.account-grid-line--h1 { top: 25%; left: 0; right: 0; height: 1px; }
.account-grid-line--h2 { bottom: 20%; left: 0; right: 0; height: 1px; }

/* ── Viewport ── */
.account-viewport {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    width: 100%;
    padding: 2rem 1rem;
}

/* ── Footer ── */
.account-footer {
    position: relative;
    z-index: 1;
    padding: 1.25rem 0 1.5rem;
    font-size: 0.75rem;
    color: var(--rz-text-secondary-color);
    letter-spacing: 0.04em;
    text-align: center;
}

/* ── Login card ── */
.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--rz-card-background-color);
    border: var(--rz-card-border);
    border-radius: 16px;
    box-shadow: var(--rz-card-shadow);
    padding: 2.5rem 2.25rem 2rem;
    animation: loginCardEnter 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

@keyframes loginCardEnter {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ── Logo ── */
.login-logo {
    display: block;
    margin: 0 auto 1.75rem;
    height: 32px;
    width: auto;
    animation: loginLogoEnter 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
    opacity: 0;
}

@keyframes loginLogoEnter {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Header text ── */
.login-heading {
    font-family: 'Playfair Display', var(--ml-text-title-font-family, serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--rz-text-color);
    text-align: center;
    margin: 0 0 0.375rem;
    line-height: 1.3;
}

.login-subheading {
    font-size: 0.875rem;
    color: var(--rz-text-secondary-color);
    text-align: center;
    margin: 0 0 2rem;
    line-height: 1.5;
}

/* ── Primary CTA (Entra / external) ── */
.login-external-section {
    margin-bottom: 1.75rem;
    animation: loginSectionEnter 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.25s forwards;
    opacity: 0;
}

@keyframes loginSectionEnter {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-external-section .login-external-form {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.login-entra-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: none;
    border-radius: 10px;
    background: var(--ml-blue-deep);
    color: var(--rz-on-primary);
    font-family: 'DM Sans', var(--rz-text-font-family, sans-serif);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: background-color 0.2s ease,
                transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.25s ease;
    outline: none;
}

.login-entra-btn:hover {
    background: var(--ml-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--rz-card-shadow);
}

.login-entra-btn:active {
    transform: translateY(0);
}

.login-entra-btn:focus-visible {
    outline: 2px solid var(--ml-blue-deep);
    outline-offset: 2px;
}

/* The Microsoft logo for Entra sign-in and the neutral shield icon used for custom identity providers. */
.login-entra-btn .entra-icon,
.login-entra-btn .login-provider-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ── Divider ── */
.login-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    animation: loginSectionEnter 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.35s forwards;
    opacity: 0;
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--rz-text-tertiary-color, var(--rz-text-secondary-color));
    opacity: 0.35;
}

.login-divider-text {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--rz-text-secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
}

/* ── Local login form ── */
.login-local-section {
    animation: loginSectionEnter 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
    opacity: 0;
}

.login-field {
    margin-bottom: 1rem;
}

.login-field-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--rz-text-color);
    margin-bottom: 0.375rem;
}

.login-field-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: var(--rz-input-border);
    border-radius: 8px;
    background: var(--rz-input-background-color);
    color: var(--rz-input-value-color, var(--rz-text-color));
    font-family: 'DM Sans', var(--rz-text-font-family, sans-serif);
    font-size: 0.875rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    box-sizing: border-box;
}

.login-field-input::placeholder {
    color: var(--rz-input-placeholder-color);
}

.login-field-input:focus {
    border: var(--rz-input-focus-border);
    box-shadow: var(--rz-input-focus-shadow);
}

.login-remember-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.login-remember-row label {
    font-size: 0.8125rem;
    color: var(--rz-text-color);
    cursor: pointer;
}

.login-submit-btn {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    border: var(--rz-input-border);
    border-radius: 10px;
    background: transparent;
    color: var(--rz-text-color);
    font-family: 'DM Sans', var(--rz-text-font-family, sans-serif);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease,
                border-color 0.2s ease,
                transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    outline: none;
}

.login-submit-btn:hover {
    background: var(--rz-grid-hover-background-color);
    border: var(--rz-input-hover-border);
    transform: translateY(-1px);
}

.login-submit-btn:active {
    transform: translateY(0);
}

.login-submit-btn:focus-visible {
    outline: 2px solid var(--ml-blue-deep);
    outline-offset: 2px;
}

/* ── Status message (StatusMessage.razor, no Bootstrap) ── */
.login-card .alert {
    margin-bottom: 1.25rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.8125rem;
    line-height: 1.5;
    border: 1px solid transparent;
}

.login-card .alert-danger {
    background: var(--ml-red-soft);
    color: var(--ml-red);
    border-color: var(--ml-red-border);
}

.login-card .alert-success {
    background: color-mix(in srgb, var(--rz-success) 10%, transparent);
    color: var(--rz-success);
    border-color: color-mix(in srgb, var(--rz-success) 28%, transparent);
}

.login-status-message {
    margin-bottom: 1.25rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.8125rem;
    line-height: 1.5;
}

.login-card .login-error-description,
.login-card .login-error-code {
    margin: 0;
}

.login-card .login-error-description + .login-error-code {
    margin-top: 0.5rem;
}

.login-card .login-error-code {
    font-size: 0.75rem;
    color: var(--rz-text-secondary-color);
}

a.login-submit-btn {
    text-align: center;
    text-decoration: none;
    box-sizing: border-box;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    .login-card,
    .login-logo,
    .login-external-section,
    .login-divider,
    .login-local-section {
        animation: none;
        opacity: 1;
    }
    .login-entra-btn,
    .login-submit-btn {
        transition: none;
    }
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .login-card {
        padding: 2rem 1.5rem 1.5rem;
        border-radius: 12px;
    }

    .login-heading {
        font-size: 1.3rem;
    }
}