.app-shell-body {
    min-height: 100vh;
}

.app-shell-topbar {
    background:
        radial-gradient(900px 360px at 12% -30%, color-mix(in srgb, var(--accent, #43dfe7) 11%, transparent), transparent 60%),
        radial-gradient(900px 360px at 88% -20%, color-mix(in srgb, var(--accent-warm, #ffb366) 10%, transparent), transparent 62%),
        var(--surface, #2a282d);
    border-bottom: 1px solid var(--border-subtle, rgba(236, 236, 247, 0.12));
    position: sticky;
    top: 0;
    z-index: 40;
}

.app-shell-topbar__inner {
    align-items: center;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin: 0 auto;
    max-width: min(100%, 1600px);
    padding: 0.9rem clamp(1rem, 2vw, 1.75rem);
}

.app-shell-topbar__tools {
    align-items: center;
    display: inline-flex;
    gap: 0.8rem;
    margin-left: auto;
    min-width: 0;
}

.app-shell-topbar__page-slot {
    align-items: center;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    justify-content: flex-end;
    min-width: 0;
}

.app-shell-topbar__page-slot[hidden],
.app-shell-auth[hidden] {
    display: none !important;
}

.app-shell-brand {
    color: var(--text-primary, #f5f4ee);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: clamp(1rem, 0.92rem + 0.45vw, 1.18rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    text-decoration: none;
    transition: color 160ms cubic-bezier(0.4, 0.0, 0.2, 1);
}

.app-shell-brand:hover {
    color: color-mix(in srgb, var(--accent, #43dfe7) 78%, var(--text-primary, #f5f4ee));
}

.app-shell-brand:focus-visible {
    outline: 2px solid var(--focus-ring, rgba(67, 223, 231, 0.55));
    outline-offset: 2px;
}

.app-shell-main {
    padding-top: 0.35rem;
}

.app-shell-auth {
    align-items: center;
    background: color-mix(in srgb, var(--surface-elevated, #2a282d) 88%, transparent);
    border: 1px solid var(--border-subtle, rgba(236, 236, 247, 0.12));
    border-radius: 999px;
    color: var(--text-primary, #f5f4ee);
    display: inline-flex;
    gap: 0.9rem;
    max-width: min(100%, 34rem);
    padding: 0.5rem 0.65rem 0.5rem 0.95rem;
}

.app-shell-auth--compact {
    gap: 0.5rem;
    padding: 0.4rem 0.55rem;
}

.app-shell-auth__actions {
    align-items: center;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.app-shell-auth__summary {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
}

.app-shell-auth__summary[hidden] {
    display: none !important;
}

.app-shell-auth__status-dot {
    background: color-mix(in srgb, #7cf0b1 78%, var(--text-primary, #f5f4ee));
    border-radius: 999px;
    box-shadow: 0 0 0 0.18rem color-mix(in srgb, #7cf0b1 22%, transparent);
    display: inline-block;
    flex-shrink: 0;
    height: 0.72rem;
    width: 0.72rem;
}

.app-shell-auth__eyebrow {
    color: color-mix(in srgb, var(--accent, #43dfe7) 60%, var(--text-primary, #f5f4ee));
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1;
    text-transform: uppercase;
}

.app-shell-auth__label {
    color: var(--text-primary, #f5f4ee);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.88rem;
    font-weight: 500;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-shell-auth__button {
    align-items: center;
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--border-subtle, rgba(236, 236, 247, 0.12)) 150%, transparent);
    border-radius: 999px;
    color: var(--text-primary, #f5f4ee);
    cursor: pointer;
    display: inline-flex;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    gap: 0.45rem;
    justify-content: center;
    min-height: 2.3rem;
    padding: 0.55rem 0.95rem;
    transition: background 160ms cubic-bezier(0.4, 0.0, 0.2, 1), border-color 160ms cubic-bezier(0.4, 0.0, 0.2, 1), transform 160ms cubic-bezier(0.4, 0.0, 0.2, 1);
}

.app-shell-auth__button:hover:not(:disabled) {
    background: color-mix(in srgb, var(--accent-soft, rgba(67, 223, 231, 0.16)) 42%, transparent);
    border-color: color-mix(in srgb, var(--accent, #43dfe7) 38%, var(--border-subtle, rgba(236, 236, 247, 0.12)));
    transform: translateY(-1px);
}

.app-shell-auth__button:focus-visible {
    outline: 2px solid var(--focus-ring, rgba(67, 223, 231, 0.55));
    outline-offset: 2px;
}

.app-shell-auth__button:disabled {
    cursor: wait;
    opacity: 0.72;
}

.app-shell-auth__button--primary {
    background: color-mix(in srgb, var(--accent, #43dfe7) 20%, transparent);
}

.app-shell-auth[data-auth-state="authenticated"] .app-shell-auth__eyebrow {
    color: color-mix(in srgb, #7cf0b1 62%, var(--text-primary, #f5f4ee));
}

.app-shell-auth[data-auth-state="signed-out"] .app-shell-auth__eyebrow {
    color: color-mix(in srgb, var(--accent-warm, #ffb366) 78%, var(--text-primary, #f5f4ee));
}

.app-shell-auth-gate[hidden] {
    display: none !important;
}

.app-shell-auth-gate {
    margin: 0 auto;
    max-width: min(100%, 1600px);
    padding: 1rem clamp(1rem, 2vw, 1.75rem) 0;
}

.app-shell-auth-gate__card {
    background:
        radial-gradient(760px 220px at 8% -25%, color-mix(in srgb, var(--accent, #43dfe7) 10%, transparent), transparent 62%),
        radial-gradient(760px 220px at 92% -20%, color-mix(in srgb, var(--accent-warm, #ffb366) 10%, transparent), transparent 62%),
        var(--surface-elevated, #2a282d);
    border: 1px solid var(--border-subtle, rgba(236, 236, 247, 0.12));
    border-radius: 1.2rem;
    box-shadow: var(--shadow-modal, 0 12px 40px rgba(0, 0, 0, 0.35));
    color: var(--text-primary, #f5f4ee);
    isolation: isolate;
    overflow: hidden;
    padding: clamp(1.2rem, 2vw, 1.75rem);
    position: relative;
}

.app-shell-auth-gate__card::before {
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--accent-soft, rgba(67, 223, 231, 0.16)) 55%, transparent), transparent 68%),
        radial-gradient(540px 180px at 14% 0%, color-mix(in srgb, var(--accent, #43dfe7) 14%, transparent), transparent 62%),
        radial-gradient(540px 180px at 86% 0%, color-mix(in srgb, var(--accent-warm, #ffb366) 14%, transparent), transparent 62%);
    content: '';
    inset: 0;
    opacity: 0;
    pointer-events: none;
    position: absolute;
    z-index: 0;
}

.app-shell-auth-gate__card > * {
    position: relative;
    z-index: 1;
}

@keyframes app-shell-gate-wash-in {
    0% {
        opacity: 0.52;
    }

    100% {
        opacity: 0;
    }
}

.app-shell-auth-gate__eyebrow {
    color: color-mix(in srgb, var(--accent, #43dfe7) 65%, var(--text-primary, #f5f4ee));
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin: 0 0 0.45rem;
    text-transform: uppercase;
}

.app-shell-auth-gate__title {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: clamp(1.35rem, 1.15rem + 0.9vw, 2rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin: 0 0 0.65rem;
    max-width: 22ch;
}

.app-shell-auth-gate__copy {
    color: color-mix(in srgb, var(--text-primary, #f5f4ee) 78%, transparent);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.98rem;
    line-height: 1.5;
    margin: 0 0 1rem;
    max-width: 54ch;
}

.app-shell-issue[hidden] {
    display: none !important;
}

.app-shell-issue {
    margin: 0 auto;
    max-width: min(100%, 1600px);
    padding: 0.85rem clamp(1rem, 2vw, 1.75rem) 0;
}

.app-shell-issue__inner {
    align-items: center;
    background: color-mix(in srgb, var(--surface-elevated, #2a282d) 92%, transparent);
    border: 1px solid color-mix(in srgb, #ff8f70 42%, var(--border-subtle, rgba(236, 236, 247, 0.12)));
    border-radius: 1rem;
    box-shadow: var(--shadow-modal, 0 12px 40px rgba(0, 0, 0, 0.18));
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    padding: 0.9rem 1rem;
}

.app-shell-issue[data-issue-level="warning"] .app-shell-issue__inner {
    border-color: color-mix(in srgb, var(--accent-warm, #ffb366) 55%, var(--border-subtle, rgba(236, 236, 247, 0.12)));
}

.app-shell-issue[data-issue-level="error"] .app-shell-issue__inner {
    border-color: color-mix(in srgb, #ff8f70 55%, var(--border-subtle, rgba(236, 236, 247, 0.12)));
}

.app-shell-issue__copy {
    min-width: 0;
}

.app-shell-issue__eyebrow {
    color: color-mix(in srgb, #ffb38a 82%, var(--text-primary, #f5f4ee));
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin: 0 0 0.2rem;
    text-transform: uppercase;
}

.app-shell-issue[data-issue-level="warning"] .app-shell-issue__eyebrow {
    color: color-mix(in srgb, var(--accent-warm, #ffb366) 85%, var(--text-primary, #f5f4ee));
}

.app-shell-issue__message {
    color: var(--text-primary, #f5f4ee);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.92rem;
    line-height: 1.45;
    margin: 0;
}

.app-shell-issue__dismiss {
    align-items: center;
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--border-subtle, rgba(236, 236, 247, 0.12)) 150%, transparent);
    border-radius: 999px;
    color: var(--text-primary, #f5f4ee);
    cursor: pointer;
    display: inline-flex;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    justify-content: center;
    min-height: 2.25rem;
    padding: 0.5rem 0.9rem;
    transition: background 160ms cubic-bezier(0.4, 0.0, 0.2, 1), border-color 160ms cubic-bezier(0.4, 0.0, 0.2, 1);
}

.app-shell-issue__dismiss:hover {
    background: color-mix(in srgb, rgba(255, 179, 138, 0.18) 42%, transparent);
    border-color: color-mix(in srgb, #ffb38a 42%, var(--border-subtle, rgba(236, 236, 247, 0.12)));
}

.app-shell-issue__dismiss:focus-visible {
    outline: 2px solid var(--focus-ring, rgba(67, 223, 231, 0.55));
    outline-offset: 2px;
}

.app-shell-body[data-cloud-auth="true"][data-auth-state="loading"] .app-shell-main,
.app-shell-body[data-cloud-auth="true"][data-auth-state="signed-out"] .app-shell-main,
.app-shell-body[data-cloud-auth="true"][data-auth-state="storage-pending"] .app-shell-main {
    display: none;
}

.app-shell-body[data-cloud-auth="true"][data-auth-state="loading"] .app-shell-auth {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.app-shell-body[data-cloud-auth="true"][data-auth-state="loading"] .app-shell-topbar__inner {
    opacity: 0;
    pointer-events: none;
}

.app-shell-topbar__inner,
.app-shell-main,
.app-shell-auth-gate {
    filter: none;
    opacity: 1;
    transform: none;
    transform-origin: center top;
}

.app-shell-surface-enter {
    will-change: opacity, transform, filter;
}

.app-shell-auth-gate.app-shell-surface-enter .app-shell-auth-gate__card::before {
    animation: app-shell-gate-wash-in 260ms cubic-bezier(0.22, 1, 0.36, 1);
    animation-fill-mode: both;
}

.app-shell-body[data-cloud-auth="true"][data-auth-state="signed-out"] .app-shell-auth-gate__card,
.app-shell-body[data-cloud-auth="true"][data-auth-state="storage-pending"] .app-shell-auth-gate__card {
    box-shadow:
        0 10px 28px rgba(0, 0, 0, 0.18),
        0 0 0 1px color-mix(in srgb, var(--accent, #43dfe7) 8%, transparent);
}

@media (prefers-reduced-motion: reduce) {
    .app-shell-topbar__inner,
    .app-shell-main,
    .app-shell-auth-gate {
        filter: none;
        opacity: 1;
        transform: none;
        will-change: auto;
    }

    .app-shell-auth-gate.app-shell-surface-enter .app-shell-auth-gate__card::before {
        animation: none;
    }
}

.app-settings-wrap {
    align-items: center;
    display: inline-flex;
    gap: var(--space-xs, 0.5rem);
    position: relative;
}

.app-settings-toggle {
    align-items: center;
    background: transparent;
    border: 1px solid var(--border-subtle, rgba(236, 236, 247, 0.12));
    border-radius: var(--radius-component, 8px);
    color: var(--text-primary, #f5f4ee);
    cursor: pointer;
    display: inline-flex;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: var(--fz-14, 0.875rem);
    font-weight: 500;
    gap: var(--space-xs, 0.5rem);
    justify-content: center;
    min-height: 2.2em;
    padding: var(--space-s, 0.75rem) var(--space-m, 1rem);
    transition: all 160ms cubic-bezier(0.4, 0.0, 0.2, 1);
}

.app-settings-toggle:hover {
    background: color-mix(in srgb, var(--accent-soft, rgba(67, 223, 231, 0.16)) 30%, transparent);
    border-color: color-mix(in srgb, var(--border-subtle, rgba(236, 236, 247, 0.12)) 150%, transparent);
    transform: translateY(-1px);
}

.app-settings-toggle:focus-visible {
    outline: 2px solid var(--focus-ring, rgba(67, 223, 231, 0.55));
    outline-offset: 2px;
}

.app-settings-toggle .material-icons-outlined {
    font-size: 1.25em;
    opacity: 0.85;
}

.app-settings-menu {
    background: var(--surface-elevated, #2a282d);
    border: 1px solid var(--border-subtle, rgba(236, 236, 247, 0.12));
    border-radius: var(--radius-card, 12px);
    box-shadow: var(--shadow-modal, 0 12px 40px rgba(0, 0, 0, 0.35));
    color: var(--text-primary, #f5f4ee);
    min-width: 14rem;
    opacity: 0;
    padding: var(--space-m, 1rem);
    pointer-events: none;
    position: absolute;
    right: 0;
    top: calc(100% + var(--space-xs, 0.5rem));
    transform: translateY(-4px);
    transition: opacity 160ms cubic-bezier(0.4, 0.0, 0.2, 1), transform 160ms cubic-bezier(0.4, 0.0, 0.2, 1);
    z-index: 32;
}

.app-settings-menu--open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.app-settings-row {
    align-items: center;
    display: grid;
    grid-template-columns: 1fr;
}

.app-settings-label {
    align-items: center;
    cursor: pointer;
    display: inline-flex;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: var(--fz-14, 0.875rem);
    font-weight: 500;
    gap: var(--space-xs, 0.5rem);
    margin: 0;
}

.app-settings-label input[type="checkbox"] {
    cursor: pointer;
    height: 1.1em;
    margin: 0;
    width: 1.1em;
}

@media print {
    .app-shell-topbar {
        display: none !important;
    }

    .app-shell-auth-gate {
        display: none !important;
    }
}

@media (max-width: 760px) {
    .app-shell-topbar__inner {
        align-items: stretch;
        flex-direction: column;
    }

    .app-shell-topbar__tools {
        justify-content: space-between;
        width: 100%;
    }

    .app-shell-auth {
        border-radius: 1rem;
        width: 100%;
    }

    .app-shell-auth__label {
        white-space: normal;
    }
}

@media (max-width: 560px) {
    .app-shell-topbar__tools {
        align-items: stretch;
        flex-direction: column;
    }

    .app-shell-topbar__page-slot {
        justify-content: flex-end;
        width: 100%;
    }

    .app-shell-auth {
        align-items: stretch;
        flex-direction: column;
    }

    .app-shell-auth__actions {
        width: 100%;
    }

    .app-shell-auth__button {
        width: 100%;
    }

    .app-shell-issue__inner {
        align-items: stretch;
        flex-direction: column;
    }

    .app-shell-issue__dismiss {
        width: 100%;
    }
}