/* Clean layout system: page shell, navigation, sections, footer. */
.container,
.clean-nav-content,
body.clean-nav-shell main,
body.clean-nav-shell #home-content > main,
body.clean-nav-shell #admin-content > main,
.footer-content {
    width: min(var(--page-max), calc(100% - (var(--gutter) * 2)));
    margin-right: auto;
    margin-left: auto;
}

body.clean-nav-shell main,
body.clean-nav-shell #home-content > main,
body.clean-nav-shell #admin-content > main {
    margin-top: 16px;
    margin-bottom: 24px;
}

main,
.dashboard-layout,
.section,
.container,
.admin-panel,
.glass-card,
.policy-content,
.terms-content {
    min-width: 0;
}

.clean-nav-bar {
    position: sticky;
    top: 0;
    z-index: 1200;
    min-height: var(--nav-height);
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

.clean-nav-content {
    min-height: 44px;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
}

.logo-section {
    min-width: 0;
}

.brand-sidebar {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-raised);
}

.brand-mark {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #ffffff;
    background: var(--color-primary);
    font-weight: 900;
}

.brand-copy {
    min-width: 0;
    display: grid;
    gap: 2px;
}

.brand-label {
    overflow: hidden;
    color: var(--color-text);
    font-size: 0.98rem;
    font-weight: 900;
    line-height: 1.1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.brand-subtitle {
    overflow: hidden;
    color: var(--color-muted);
    font-size: 0.76rem;
    line-height: 1.15;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.logo-section h1 {
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.logo-section p {
    margin: 2px 0 0;
    overflow: hidden;
    color: var(--color-muted);
    font-size: 0.78rem;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mobile-menu-toggle {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 18px;
    height: 2px;
    display: block;
    border-radius: 999px;
    background: var(--color-text);
    transition: transform 160ms ease, opacity 160ms ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.top-buttons,
.auth-buttons {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}

.mobile-label {
    display: none;
}

.nav-menu {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(84vw, 380px);
    max-width: calc(100vw - 42px);
    padding: 18px 14px 86px;
    overflow-y: auto;
    border-right: 1px solid var(--color-border);
    background: #ffffff;
    box-shadow: 10px 0 30px rgba(15, 23, 42, 0.08);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateX(-102%);
    transition: opacity 180ms ease, transform 220ms ease, visibility 180ms ease;
    z-index: 1500;
}

.nav-menu.active,
.nav-menu.open,
body.clean-nav-open .nav-menu {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
}

body.clean-nav-open {
    overflow: hidden;
}

body.clean-nav-open::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1450;
    background: rgba(15, 23, 42, 0.22);
}

.clean-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.clean-drawer-brand {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text);
    font-weight: 900;
}

.clean-drawer-mark,
.clean-drawer-close {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    display: inline-grid;
    place-items: center;
    border-radius: var(--radius-md);
}

.clean-drawer-mark {
    border: 2px solid rgba(59, 130, 246, 0.3);
    color: var(--color-primary);
}

.clean-drawer-close {
    border: 0;
    color: var(--color-text);
    background: var(--color-surface-2);
    cursor: pointer;
}

.nav-menu ul {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-menu a {
    min-height: 44px;
    width: 100%;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 11px 13px;
    border-radius: var(--radius-md);
    color: var(--color-muted);
    background: var(--color-surface);
    font-size: 0.9rem;
    font-weight: 650;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.nav-menu a:hover,
.nav-menu a:focus,
.nav-menu a.active {
    color: var(--color-primary-dark);
    background: rgba(59, 130, 246, 0.12);
    text-decoration: none;
}

.nav-icon {
    width: 24px;
    min-width: 24px;
    text-align: center;
}

.nav-label {
    min-width: 0;
}

.section,
.admin-panel,
.dashboard-user-strip,
.policy-section,
.terms-section,
.warning-box {
    width: 100%;
    margin: 0 0 14px;
    padding: clamp(12px, 2vw, 20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    box-shadow: var(--shadow-panel);
}

body.unified-content main {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.7);
    box-shadow: var(--shadow-panel);
}

body.unified-content main > .section {
    margin: 0;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
}

body.unified-content main > .section:first-child {
    border-top: 0;
}

body.unified-content main > .section:last-child {
    border-bottom: 0;
}

footer:not(.auth-footer) {
    margin-top: 20px;
    padding: 18px 0;
    border-top: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.9);
}

.footer-content,
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    text-align: center;
}

.footer-content p {
    margin: 0;
}