body {
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

.app-shell {
    display: flex;
    width: 100%;
    height: 100%;
    background: var(--color-canvas);
}

.icon-button {
    display: inline-grid;
    width: 2.5rem;
    height: 2.5rem;
    flex: 0 0 auto;
    padding: 0;
    place-items: center;
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    background: transparent;
    transition: color var(--duration-fast), background-color var(--duration-fast);
}

.icon-button:hover {
    color: var(--color-text);
    background: var(--color-surface-hover);
}

.icon-button > span {
    font-size: 1.25rem;
    line-height: 1;
}

.sidebar {
    position: relative;
    z-index: var(--z-sidebar);
    display: flex;
    width: var(--sidebar-width);
    height: 100%;
    min-width: 0;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    flex: 0 0 var(--sidebar-width);
    flex-direction: column;
    border-right: 1px solid var(--color-border);
    background: var(--color-sidebar);
    transition: width var(--duration-normal) var(--easing-standard),
        flex-basis var(--duration-normal) var(--easing-standard),
        transform var(--duration-normal) var(--easing-standard);
}

.sidebar__header {
    display: flex;
    min-height: var(--topbar-height);
    padding: 0 var(--space-3);
    align-items: center;
    gap: var(--space-2);
}

.brand {
    display: flex;
    min-width: 0;
    flex: 1;
    align-items: center;
    gap: var(--space-3);
    border-radius: var(--radius-md);
}

.brand__mark {
    display: grid;
    width: 2rem;
    height: 2rem;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 0.65rem;
    color: #fff;
    background: linear-gradient(145deg, #19b78f, #087c63);
    box-shadow: 0 5px 12px rgba(16, 163, 127, 0.22);
    font-size: 0.8rem;
    font-weight: 800;
}

.brand__copy {
    display: grid;
    min-width: 0;
}

.brand__copy strong,
.brand__copy small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.brand__copy strong {
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: -0.015em;
}

.brand__copy small {
    color: var(--color-text-soft);
    font-size: 0.66rem;
}

.sidebar__collapse > span {
    margin-top: -0.1rem;
    font-size: 1.65rem;
    transition: transform var(--duration-normal) var(--easing-standard);
}

.sidebar__close {
    display: none;
}

.sidebar__footer {
    padding: var(--space-2);
    border-top: 1px solid var(--color-border);
}

.profile-button {
    display: flex;
    width: 100%;
    min-height: 3.5rem;
    padding: var(--space-2);
    align-items: center;
    gap: var(--space-3);
    border-radius: var(--radius-md);
    text-align: left;
    background: transparent;
    transition: background-color var(--duration-fast);
}

.profile-button:hover {
    background: var(--color-surface-hover);
}

.profile-button:focus-within {
    background: var(--color-surface-hover);
}

.profile-button__avatar {
    display: grid;
    width: 2rem;
    height: 2rem;
    flex: 0 0 auto;
    place-items: center;
    border-radius: var(--radius-full);
    color: #fff;
    background: linear-gradient(145deg, #72746e, #3f403d);
    font-size: 0.75rem;
    font-weight: 700;
}

.profile-button__copy {
    display: grid;
    min-width: 0;
    flex: 1;
}

.profile-button__copy strong {
    font-size: 0.82rem;
    font-weight: 650;
}

.profile-button__copy small {
    overflow: hidden;
    color: var(--color-text-soft);
    font-size: 0.7rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.profile-logout {
    display: flex;
    flex: 0 0 auto;
}

.profile-logout__button {
    display: grid;
    width: 2rem;
    height: 2rem;
    padding: 0;
    place-items: center;
    border-radius: var(--radius-sm);
    color: var(--color-text-soft);
    background: transparent;
}

.profile-logout__button:hover {
    color: var(--color-danger);
    background: var(--color-surface-active);
}

.workspace {
    position: relative;
    display: flex;
    min-width: 0;
    height: 100%;
    flex: 1;
    flex-direction: column;
    background: var(--color-canvas);
}

.topbar {
    position: relative;
    z-index: 10;
    display: grid;
    min-height: calc(var(--topbar-height) + env(safe-area-inset-top));
    padding: env(safe-area-inset-top) calc(var(--space-5) + env(safe-area-inset-right)) 0
        calc(var(--space-5) + env(safe-area-inset-left));
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-elevated);
    backdrop-filter: blur(16px);
}

.topbar__leading,
.topbar__actions {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: var(--space-2);
}

.topbar__actions {
    justify-content: flex-end;
}

.topbar__menu {
    display: none;
}

.topbar__product {
    display: inline-flex;
    min-width: 0;
    align-items: center;
    gap: var(--space-2);
}

.topbar__product > span {
    overflow: hidden;
    font-size: 0.86rem;
    font-weight: 680;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topbar__product small {
    padding: 0.15rem 0.48rem;
    border-radius: var(--radius-full);
    color: var(--color-accent-strong);
    background: var(--color-accent-soft);
    font-size: 0.62rem;
    font-weight: 700;
}

.topbar__center {
    display: inline-flex;
    max-width: 28rem;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-soft);
    font-size: 0.75rem;
    white-space: nowrap;
}

.topbar__center strong {
    overflow: hidden;
    color: var(--color-text-muted);
    font-weight: 650;
    text-overflow: ellipsis;
}

.guest-badge {
    display: inline-flex;
    height: 1.8rem;
    padding: 0 var(--space-2);
    align-items: center;
    gap: 0.35rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    background: var(--color-surface);
    font-size: 0.68rem;
    font-weight: 600;
}

.guest-badge__dot {
    width: 0.38rem;
    height: 0.38rem;
    border-radius: var(--radius-full);
    background: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.workspace-main {
    min-height: 0;
    flex: 1;
    overflow-x: hidden;
    overflow-y: auto;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border-strong) transparent;
}

.page-content {
    width: min(
        calc(100% - 3rem - env(safe-area-inset-left) - env(safe-area-inset-right)),
        var(--content-max-width)
    );
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 4.5rem) 0 clamp(3rem, 7vw, 6rem);
}

.page-eyebrow,
.section-kicker {
    margin: 0;
    color: var(--color-accent-strong);
    font-size: 0.7rem;
    font-weight: 780;
    letter-spacing: 0.095em;
    text-transform: uppercase;
}

.toast-region {
    position: fixed;
    top: var(--space-4);
    left: 50%;
    z-index: var(--z-toast);
    transform: translateX(-50%);
    pointer-events: none;
}

.toast {
    display: flex;
    min-height: 2.75rem;
    padding: var(--space-2) var(--space-4);
    align-items: center;
    gap: var(--space-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text);
    background: var(--color-elevated);
    box-shadow: var(--shadow-float);
    backdrop-filter: blur(16px);
    font-size: 0.8rem;
    animation: toast-in var(--duration-normal) var(--easing-standard) both;
}

.toast__mark {
    display: grid;
    width: 1.25rem;
    height: 1.25rem;
    place-items: center;
    border-radius: var(--radius-full);
    color: #fff;
    background: var(--color-accent);
    font-size: 0.65rem;
}

.sidebar-overlay {
    display: none;
}

body.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
    flex-basis: var(--sidebar-collapsed-width);
}

body.sidebar-collapsed .sidebar-label {
    display: none;
}

body.sidebar-collapsed .sidebar__collapse > span {
    transform: rotate(180deg);
}

body.sidebar-collapsed .sidebar__header,
body.sidebar-collapsed .profile-button {
    justify-content: center;
}

body.sidebar-collapsed .profile-logout {
    display: none;
}

body.sidebar-collapsed .brand {
    flex: 0 0 auto;
}

body.sidebar-collapsed .sidebar__collapse {
    position: absolute;
    right: -1.25rem;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-soft);
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 48rem) {
    .sidebar {
        position: fixed;
        top: 0;
        bottom: 0;
        left: 0;
        width: min(88vw, 19rem);
        flex-basis: auto;
        box-shadow: var(--shadow-float);
        transform: translateX(-105%);
    }

    .sidebar__collapse {
        display: none;
    }

    .sidebar__close,
    .topbar__menu {
        display: inline-grid;
    }

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        z-index: var(--z-overlay);
        display: block;
        visibility: hidden;
        background: var(--color-overlay);
        opacity: 0;
        transition: opacity var(--duration-normal), visibility var(--duration-normal);
    }

    body.sidebar-open .sidebar {
        transform: translateX(0);
    }

    body.sidebar-open .sidebar-overlay {
        visibility: visible;
        opacity: 1;
    }

    body.sidebar-collapsed .sidebar {
        width: min(88vw, 19rem);
    }

    body.sidebar-collapsed .sidebar-label {
        display: initial;
    }

    body.sidebar-collapsed .sidebar__header,
    body.sidebar-collapsed .profile-button {
        justify-content: initial;
    }

    body.sidebar-collapsed .profile-logout {
        display: flex;
    }

    body.sidebar-collapsed .brand {
        flex: 1;
    }

    .topbar {
        min-height: calc(var(--topbar-height) + env(safe-area-inset-top));
        padding: env(safe-area-inset-top) calc(var(--space-2) + env(safe-area-inset-right)) 0
            calc(var(--space-2) + env(safe-area-inset-left));
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .topbar__center {
        display: none;
    }

    .topbar__product small,
    .guest-badge {
        display: none;
    }

    .page-content {
        width: min(
            calc(100% - 1.5rem - env(safe-area-inset-left) - env(safe-area-inset-right)),
            var(--content-max-width)
        );
        padding-top: var(--space-8);
    }
}