/* =============================================
   LAYOUT — LetsGetFitness V2
   ============================================= */

.app-wrapper { display: flex; min-height: 100vh; }

/* ---- Sidebar ---- */
.sidebar {
    width: 240px;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 100;
    transition: transform 0.3s ease;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--color-border);
    text-decoration: none;
    flex-shrink: 0;
}
.sidebar-logo img { height: 32px; border-radius: 6px; }
.sidebar-logo-text { font-weight: 700; font-size: 16px; color: var(--text-primary); line-height: 1.1; }
.sidebar-logo-text span { color: var(--color-primary); }

.sidebar-nav {
    flex: 1;
    padding: 12px 12px 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
}

.nav-section-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-dim);
    padding: 14px 8px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    font-family: var(--font-family);
    position: relative;
}
.nav-item svg { flex-shrink: 0; }
.nav-item:hover { background: var(--color-surface-2); color: var(--color-text); }
.nav-item.active {
    background: var(--color-primary-glow);
    color: var(--color-primary);
    font-weight: 600;
}
.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 4px; bottom: 4px;
    width: 3px;
    background: var(--color-primary);
    border-radius: 0 2px 2px 0;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}
.sidebar-user:hover { background: var(--color-surface-2); }
.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { font-weight: 600; font-size: 14px; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 11px; color: var(--color-primary); font-weight: 600; }

/* ---- Main content ---- */
.main-content {
    flex: 1;
    margin-left: 240px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: calc(100% - 240px);
    min-width: 0;
}

/* ---- Topbar ---- */
.topbar {
    height: 56px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 50;
    gap: 16px;
    flex-shrink: 0;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.topbar-title { font-weight: 600; font-size: 17px; color: var(--text-primary); }

.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}
.mobile-menu-btn:hover { border-color: var(--brand-gold); color: var(--brand-gold); }

/* Visibility helpers — used by topbar; were missing and caused mobile overflow */
.show-mobile { display: none !important; }
@media (max-width: 768px) {
    .hide-mobile { display: none !important; }
    .show-mobile { display: inline-flex !important; }
}

/* ---- Page container ---- */
.page-container {
    padding: 28px 32px;
    flex: 1;
    min-width: 0;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}
.page-title { font-size: 32px; line-height: 40px; font-weight: 600; letter-spacing: -0.01em; color: var(--text-primary); }
.page-subtitle { font-size: 14px; color: var(--color-text-muted); margin-top: 2px; }

/* ---- Grids ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-lg); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--spacing-lg); }

.dashboard-cards-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.quick-actions-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ---- Auth layout ---- */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    padding: 24px;
    position: relative;
    overflow: hidden;
}
/* Decorative blurred background blobs are intentionally disabled: the design
   guidelines call for a restrained "Modern Minimalist" surface, and large blurred
   colour fields muddy the off-white light-mode base. Kept as an inert rule so any
   remaining markup renders nothing rather than breaking. */
.auth-bg-blob,
.auth-bg-blob-1,
.auth-bg-blob-2 { display: none; }

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
}
.auth-logo { height: 48px; margin: 0 auto 24px; }
.auth-title { font-size: 28px; line-height: 36px; font-weight: 600; letter-spacing: -0.01em; color: var(--text-primary); text-align: center; margin-bottom: 6px; }
.auth-subtitle { font-size: 14px; color: var(--color-text-muted); text-align: center; margin-bottom: 28px; }
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    color: var(--color-text-dim);
    font-size: 13px;
}
.auth-divider::before, .auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

/* ---- Mobile overlay ---- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 99;
}

/* ---- Responsive ---- */
@media (max-width: 1100px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* ---- Mobile bottom nav ---- */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 90;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0px));
    justify-content: space-around;
    align-items: stretch;
}
.mbn-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-height: 48px;
    padding: 8px 4px;
    border: none;
    background: none;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 11px;
    font-weight: 500;
    font-family: var(--font-ui, inherit);
    cursor: pointer;
    transition: color 200ms var(--ease-snappy, cubic-bezier(0.2, 0.8, 0.2, 1));
    -webkit-tap-highlight-color: transparent;
}
.mbn-item.active,
.mbn-item:hover { color: var(--brand-gold); }

@media (max-width: 768px) {
    :root {
        --mobile-nav-height: 64px;
        --sticky-cta-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom, 0px) + 8px);
    }
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.open { display: block; }
    .main-content { margin-left: 0; width: 100%; }
    .mobile-menu-btn { display: inline-flex; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .page-container { padding: 20px 16px calc(88px + env(safe-area-inset-bottom, 0px)); }
    .topbar {
        padding: 0 12px;
        padding-top: env(safe-area-inset-top, 0px);
        height: calc(56px + env(safe-area-inset-top, 0px));
    }
    .topbar-right { gap: 4px; }
    .topbar .btn-ghost.btn-sm {
        min-width: 44px;
        min-height: 44px;
        padding: 10px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .page-header { flex-direction: column; align-items: flex-start; }
    .page-title,
    .page-container h1 { font-size: 24px; line-height: 32px; }
    .mobile-bottom-nav { display: flex; }
    .form-control,
    .floating-input,
    input.form-control,
    select.form-control,
    textarea.form-control {
        font-size: 16px;
        min-height: 44px;
    }
    .btn {
        min-height: 44px;
    }
    .btn-sm {
        min-height: 44px;
        padding: 10px 16px;
        font-size: 14px;
    }
    .btn-icon,
    .theme-toggle {
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .auth-card { padding: 28px 20px; }
}