.app-layout { min-height: 100vh; background: var(--bg-app); }
.sidebar { position: fixed; inset: 0 auto 0 0; z-index: 90; display: flex; flex-direction: column; width: var(--sidebar-width); border-right: 1px solid var(--color-border); background: var(--bg-sidebar); transition: transform var(--transition-fast), width var(--transition-fast); }
.sidebar__logo { display: flex; align-items: center; gap: var(--space-3); min-height: var(--topbar-height); padding: 0 var(--space-5); border-bottom: 1px solid var(--color-border); color: var(--color-navy-950); font-weight: 750; }
.sidebar__logo-icon, .brand-mark { display: grid; place-items: center; width: 36px; height: 36px; flex: 0 0 auto; border-radius: var(--radius-md); background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: white; }
.sidebar__logo-text { white-space: nowrap; }
.sidebar__nav { flex: 1; overflow-y: auto; padding: var(--space-4) var(--space-3); }
.nav-link { display: flex; align-items: center; gap: var(--space-3); min-height: 44px; margin-bottom: .2rem; padding: .65rem .75rem; border-radius: var(--radius-md); color: var(--text-secondary); font-size: var(--text-sm); font-weight: 600; text-decoration: none; }
.nav-link:hover { background: var(--color-slate-100); color: var(--text-primary); }
.nav-link.active { background: var(--color-blue-50); color: var(--color-blue-700); }
.nav-link svg { width: 19px; height: 19px; flex: 0 0 auto; }
.main-wrapper { min-height: 100vh; margin-left: var(--sidebar-width); transition: margin-left var(--transition-fast); }
.topbar { position: sticky; top: 0; z-index: 70; display: flex; align-items: center; justify-content: space-between; min-height: var(--topbar-height); padding: 0 clamp(1rem, 3vw, 2rem); border-bottom: 1px solid var(--color-border); background: rgba(255,255,255,.94); backdrop-filter: blur(12px); }
.topbar__left, .topbar__right { display: flex; align-items: center; gap: var(--space-3); }
.topbar__toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: white; color: var(--text-primary); cursor: pointer; }
.topbar__avatar { display: grid; place-items: center; width: 34px; height: 34px; border-radius: var(--radius-full); background: var(--color-blue-100); color: var(--color-blue-700); font-size: var(--text-xs); font-weight: 750; }
.topbar-user-button { display: flex; align-items: center; gap: .5rem; border: 0; background: none; color: var(--text-primary); cursor: pointer; }
.topbar-dropdown { position: absolute; top: calc(100% + .65rem); right: 0; display: none; min-width: 190px; padding: .4rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: white; box-shadow: var(--shadow-md); }
.topbar-dropdown.open { display: block; }
.topbar-dropdown__item { display: flex; align-items: center; gap: var(--space-2); width: 100%; padding: .65rem .75rem; border: 0; border-radius: var(--radius-sm); background: none; color: var(--text-secondary); text-align: left; text-decoration: none; cursor: pointer; }
.topbar-dropdown__item:hover { background: var(--color-slate-100); color: var(--text-primary); }
.topbar-dropdown__item--danger { color: var(--color-danger); }
.main-content { width: 100%; max-width: 1600px; margin: 0 auto; padding: clamp(1rem, 3vw, 2rem); }

.member-body { min-height: 100vh; background: var(--bg-page); }
.member-header { position: sticky; top: 0; z-index: 60; border-bottom: 1px solid var(--color-border); background: rgba(255,255,255,.95); backdrop-filter: blur(12px); }
.member-header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); width: min(calc(100% - 2rem), var(--content-max)); min-height: var(--topbar-height); margin: 0 auto; }
.member-brand { display: flex; align-items: center; gap: .7rem; color: var(--text-primary); font-weight: 750; line-height: 1.1; text-decoration: none; }
.member-brand__sub { margin-top: .25rem; color: var(--text-muted); font-size: .65rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.member-nav { display: flex; align-items: center; gap: var(--space-2); }
.member-nav a, .member-nav button { min-height: 40px; padding: .55rem .8rem; border: 0; border-radius: var(--radius-md); background: transparent; color: var(--text-secondary); font-weight: 600; text-decoration: none; cursor: pointer; }
.member-nav a:hover, .member-nav button:hover { background: var(--color-slate-100); color: var(--text-primary); }
.member-nav .phone-chip { max-width: 220px; overflow: hidden; padding: .35rem .7rem; border-radius: var(--radius-full); background: var(--color-slate-100); color: var(--text-secondary); font-family: var(--font-mono); font-size: var(--text-xs); text-overflow: ellipsis; white-space: nowrap; }
.member-main { width: min(calc(100% - 2rem), var(--content-max)); min-height: calc(100vh - 220px); margin: 0 auto; padding: clamp(1.5rem, 5vw, 3rem) 0 5rem; }
.member-footer { margin-top: auto; padding: 1.5rem; border-top: 1px solid var(--color-border); color: var(--text-muted); font-size: var(--text-sm); text-align: center; }

.auth-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 520px); background: var(--bg-page); }
.auth-shell__brand { display: flex; flex-direction: column; justify-content: space-between; padding: clamp(2rem, 7vw, 6rem); background: linear-gradient(150deg, #0f172a 0%, #172554 58%, #1e3a8a 100%); color: white; }
.auth-brand { display: inline-flex; align-items: center; gap: .75rem; width: fit-content; color: white; font-size: var(--text-xl); font-weight: 750; text-decoration: none; }
.auth-shell__message { max-width: 580px; }
.auth-shell__message h1 { margin-bottom: 1rem; font-size: clamp(2rem, 5vw, 3.75rem); line-height: 1.05; }
.auth-shell__message p { color: #cbd5e1; font-size: var(--text-lg); }
.auth-shell__panel { display: grid; place-items: center; padding: clamp(1.25rem, 5vw, 4rem); background: white; }
.auth-card { width: min(100%, 410px); }
.auth-card__eyebrow { margin-bottom: .5rem; color: var(--color-primary); font-size: var(--text-xs); font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.auth-card__title { margin-bottom: .5rem; font-size: var(--text-2xl); }
.auth-card__description { margin-bottom: var(--space-6); color: var(--text-secondary); }
.auth-card__footer { margin-top: var(--space-6); color: var(--text-muted); font-size: var(--text-sm); }
.error-shell { min-height: 100vh; display: grid; place-items: center; padding: var(--space-6); background: radial-gradient(circle at 50% 0%, var(--color-blue-100), transparent 38%), var(--bg-page); }
.error-card { width: min(100%, 620px); padding: clamp(1.5rem, 6vw, 3rem); border: 1px solid var(--color-border); border-radius: var(--radius-xl); background: rgba(255,255,255,.94); box-shadow: var(--shadow-lg); text-align: center; }
.error-card__brand { display: inline-flex; align-items: center; gap: .65rem; margin-bottom: var(--space-8); color: var(--text-primary); font-weight: 750; text-decoration: none; }
.error-card__code { margin-bottom: .5rem; color: var(--color-primary); font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 750; letter-spacing: .12em; }
.error-card h1 { margin-bottom: .75rem; font-size: clamp(1.75rem, 5vw, 2.5rem); line-height: 1.15; }
.error-card p { margin: 0 auto var(--space-6); max-width: 52ch; color: var(--text-secondary); }

@media (min-width: 1001px) { .sidebar.collapsed { width: 76px; } .sidebar.collapsed .sidebar__logo-text, .sidebar.collapsed .nav-link span { display: none; } .sidebar.collapsed + .main-wrapper { margin-left: 76px; } }
@media (max-width: 1000px) { .sidebar { transform: translateX(-101%); box-shadow: var(--shadow-lg); } .sidebar.open { transform: translateX(0); } .sidebar.collapsed { width: var(--sidebar-width); } .main-wrapper { margin-left: 0; } .topbar__toggle { display: grid; place-items: center; } }
@media (max-width: 760px) { .auth-shell { grid-template-columns: 1fr; } .auth-shell__brand { min-height: 220px; padding: 1.5rem; } .auth-shell__message h1 { margin-top: 2rem; font-size: 2rem; } .auth-shell__message p { display: none; } .auth-shell__panel { align-items: start; padding: 2rem 1rem; } .member-header__inner { align-items: flex-start; padding: .85rem 0; } .member-nav { flex-wrap: wrap; justify-content: flex-end; } .member-nav .phone-chip { display: none; } }