/* ============================================================
   RespiraCare — Global Responsive Stylesheet
   Typography guidelines:
   - Minimum 16px body text
   - Raleway (sans-serif) — single font family throughout
   - Left-aligned text (never fully justified)
   - High contrast: dark text on light, white on dark
   - Line length guided to ~60-70ch max for readability
   ============================================================ */

/* Universal box-sizing — prevents padding and border from affecting element dimensions */
*, *::before, *::after { box-sizing: border-box; }

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overflow-y: scroll;
    overflow-x: hidden;
}

body {
    font-family: 'Raleway', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: #1a2a45;
    background: #fff;
    min-width: 320px;
    overflow-x: clip; /* clip trims horizontal overflow without creating a scroll container (unlike hidden) */
    padding-top: 58px; /* reserves space below the fixed navbar so content is never hidden behind it */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-align: left;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Raleway', sans-serif;
    font-weight: 700;
    line-height: 1.25;
    color: #0f1b35;
    text-align: left;
}
p { line-height: 1.65; text-align: left; }
a { font-family: 'Raleway', sans-serif; }

img, video, iframe, svg { max-width: 100%; height: auto; display: block; }

/* ── Navbar ── */
#rc-navbar {
    background: linear-gradient(135deg, #1a6fb5 0%, #17a89e 100%) !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0 32px !important;
    height: 58px !important;
    min-height: 58px !important;
    max-height: 58px !important;
    width: 100% !important;
    box-sizing: border-box !important;
    font-family: 'Raleway', sans-serif !important;
    position: fixed !important; /* keeps navbar locked to the top of the viewport on every page */
    top: 0 !important;
    z-index: 200 !important; /* sits above page content but below the sidebar overlay on mobile */
    -webkit-font-smoothing: antialiased !important;
    overflow: visible !important;
    margin: 0 !important;
}
#rc-navbar a.rc-brand {
    color: white !important;
    font-weight: 700 !important;
    font-size: 17px !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    font-family: 'Raleway', sans-serif !important;
    line-height: 58px !important;
    height: 58px !important;
    display: inline-block !important;
    padding: 0 !important;
    margin: 0 !important;
    -webkit-font-smoothing: antialiased !important;
}
#rc-navbar ul {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    gap: 28px !important;
    align-items: center !important;
    height: 58px !important;
    overflow: visible !important;
}
#rc-navbar ul li {
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    height: 58px !important;
    overflow: visible !important;
}
#rc-navbar ul li a {
    color: rgba(255,255,255,0.92) !important;
    text-decoration: none !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    font-family: 'Raleway', sans-serif !important;
    white-space: nowrap !important;
    background: none !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    line-height: 1 !important;
    -webkit-font-smoothing: antialiased !important;
    display: inline-flex !important;
    align-items: center !important;
    height: 58px !important;
}
#rc-navbar ul li a:hover { color: white !important; background: none !important; }

/* ── Navbar dropdown ── */
.rc-nav-dropdown {
    position: relative !important;
    height: 58px !important;
    display: flex !important;
    align-items: center !important;
}

#rc-dropdown-menu {
    position: absolute !important;
    top: 62px !important;
    right: 0 !important;
    background: linear-gradient(135deg, #1a6fb5 0%, #17a89e 100%) !important;
    border-radius: 14px !important;
    box-shadow: 0 12px 32px rgba(0,0,0,0.28) !important;
    min-width: 220px !important;
    z-index: 9999 !important;
    overflow: hidden !important;
    padding: 8px 0 !important;
}

/* Specificity (2,0,1) beats #rc-navbar ul li a (1,0,3) — resets every navbar-link
   style that would otherwise bleed into dropdown items (zero padding, line-height, etc.) */
#rc-navbar #rc-dropdown-menu a {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    height: auto !important;
    padding: 20px 22px !important;
    color: white !important;
    background: transparent !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    font-family: 'Raleway', sans-serif !important;
    text-decoration: none !important;
    border-bottom: 1px solid rgba(255,255,255,0.18) !important;
    line-height: 1.4 !important;
    white-space: nowrap !important;
}

#rc-navbar #rc-dropdown-menu a:last-child {
    color: rgba(255,255,255,0.85) !important;
    border-bottom: none !important;
}

#rc-navbar #rc-dropdown-menu a:hover {
    background: rgba(255,255,255,0.15) !important;
    color: white !important;
}

#rc-navbar #rc-dropdown-menu a:last-child:hover {
    color: white !important;
}

/* ── Navbar profile widget — avatar circle + name/role stacked text for logged-in users ── */
.rc-nav-profile {
    display: inline-flex !important;
    align-items: center !important;
    gap: 9px !important;
    text-decoration: none !important;
    height: 58px !important;
    padding: 0 !important;
    cursor: pointer !important;
}
.rc-nav-profile:hover { opacity: 0.85; }

.rc-nav-avatar {
    width: 34px !important;
    height: 34px !important;
    border-radius: 50% !important;
    background: rgba(255,255,255,0.18) !important;
    border: 2px solid rgba(255,255,255,0.5) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 0.78rem !important;
    font-weight: 700 !important;
    color: white !important;
    flex-shrink: 0 !important;
    letter-spacing: 0.5px !important;
}

.rc-nav-info {
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    line-height: 1.25 !important;
    gap: 1px !important;
}

.rc-nav-name {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: white !important;
    white-space: nowrap !important;
    font-family: 'Raleway', sans-serif !important;
}

.rc-nav-role {
    font-size: 11px !important;
    font-weight: 500 !important;
    color: rgba(255,255,255,0.7) !important;
    white-space: nowrap !important;
    font-family: 'Raleway', sans-serif !important;
    text-transform: capitalize !important;
}

/* ── Mobile drawer profile widget — larger avatar and font for the slide-down drawer ── */
.rc-nav-profile-drawer {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 14px 24px !important;
    text-decoration: none !important;
    border-bottom: 1px solid rgba(255,255,255,0.12) !important;
    background: none !important;
}
.rc-nav-profile-drawer .rc-nav-avatar {
    width: 38px !important;
    height: 38px !important;
    font-size: 0.85rem !important;
}
.rc-nav-profile-drawer .rc-nav-name {
    font-size: 1rem !important;
    color: white !important;
}
.rc-nav-profile-drawer .rc-nav-role {
    font-size: 0.8rem !important;
    color: rgba(255,255,255,0.7) !important;
}

/* ── Hamburger — hidden on desktop, shown at 768px breakpoint via media query ── */
#rc-nav-toggle {
    display: none;
    background: none !important;
    border: none !important;
    cursor: pointer;
    padding: 4px;
    flex-direction: column;
    gap: 5px;
    margin: 0 !important;
}
#rc-nav-toggle span {
    display: block;
    width: 24px; height: 2px;
    background: white;
    border-radius: 2px;
}

/* ── Mobile nav drawer — hidden by default, revealed as a vertical flex column when .open is added ── */
#rc-nav-drawer {
    display: none;
    flex-direction: column;
    background: linear-gradient(135deg, #1a6fb5 0%, #17a89e 100%);
    width: 100%;
    position: fixed;
    top: 58px;
    left: 0;
    right: 0;
    z-index: 199;
}
#rc-nav-drawer a {
    color: white !important;
    text-decoration: none !important;
    padding: 16px 24px !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    font-family: 'Raleway', sans-serif !important;
    border-bottom: 1px solid rgba(255,255,255,0.12) !important;
    background: none !important;
    display: block !important;
}
#rc-nav-drawer a:last-child { border-bottom: none !important; }
#rc-nav-drawer.open { display: flex; }

/* ── Public pages — typography and hero/CTA text-size helpers ── */
.container p, .container li { max-width: 70ch; /* ~70 character line length for comfortable reading */ }
.text-center p { margin-left: auto; margin-right: auto; }

.hero-title   { font-size: clamp(1.75rem, 5vw, 3rem); font-weight: 700; line-height: 1.2; }
.hero-sub     { font-size: clamp(1rem, 2.5vw, 1.25rem); line-height: 1.6; opacity: 0.92; }
.section-title { font-size: clamp(1.5rem, 4vw, 2.25rem); font-weight: 700; }
.section-sub   { font-size: clamp(1rem, 2vw, 1.1rem); color: #444; line-height: 1.6; }
.cta-title    { font-size: clamp(1.5rem, 4vw, 2.25rem); font-weight: 700; }
.cta-sub      { font-size: clamp(1rem, 2.5vw, 1.2rem); line-height: 1.6; opacity: 0.92; }

.card p { font-size: 1rem; line-height: 1.65; color: #444; }
.card h4, .card h5 { font-size: 1.1rem; font-weight: 700; }

.form-label { font-size: 1rem; font-weight: 600; color: #1a2a45; }
.form-control { font-size: 1rem; padding: 10px 14px; line-height: 1.5; }

/* ── Admin login/register form — centres the 560px card and enforces consistent font size ── */
.login .column-50, .register .column-50 {
    max-width: 560px;
    margin-left: auto !important;
    margin-right: auto !important;
    float: none !important;
    width: 100% !important;
}
.login input, .login select, .login textarea,
.register input, .register select, .register textarea {
    font-size: 1rem !important;
    font-family: 'Raleway', sans-serif !important;
    padding: 10px 12px !important;
}
.login label, .register label {
    font-size: 1rem !important;
    font-family: 'Raleway', sans-serif !important;
    font-weight: 600 !important;
}
.login legend, .register legend {
    font-size: 1.2rem !important;
    font-family: 'Raleway', sans-serif !important;
    font-weight: 700 !important;
}
.login .button, .register .button {
    font-size: 1rem !important;
    font-family: 'Raleway', sans-serif !important;
}
.login p, .register p {
    font-size: 1rem !important;
    line-height: 1.6 !important;
}

/* ── Hero sections — force white text and centred alignment inside gradient banners ── */
.hero-section, .hero-section *,
section[style*="linear-gradient"] h1,
section[style*="linear-gradient"] h2,
section[style*="linear-gradient"] p { color: white !important; text-align: center !important; }
.hero-section h1, section[style*="linear-gradient"] h1 { font-size: clamp(1.75rem, 5vw, 3rem) !important; font-weight: 700 !important; margin-bottom: 16px !important; line-height: 1.2 !important; }
.hero-section p,
section[style*="linear-gradient"] > .container > p,
section[style*="linear-gradient"] > div > p { font-size: clamp(1rem, 2.5vw, 1.2rem) !important; opacity: 0.92 !important; max-width: 60ch !important; margin-left: auto !important; margin-right: auto !important; line-height: 1.6 !important; }

/* ============================================================
   ADMIN SHELL
   ============================================================ */

/*
 * On admin pages the sidebar handles navigation, so the navbar's
 * own hamburger toggle (#rc-nav-toggle / #rc-nav-drawer) is not
 * needed and should stay hidden at all viewport sizes.
 */
body:has(#admin-shell) #rc-nav-toggle { display: none !important; }
body:has(#admin-shell) #rc-nav-drawer { display: none !important; }

#admin-shell {
    display: flex !important;
    flex-direction: row !important;
    min-height: calc(100vh - 58px) !important;
    font-family: 'Raleway', sans-serif !important;
    font-size: 1rem !important;
    background: #f0f2f8 !important;
}
#admin-shell * { box-sizing: border-box !important; }

/* ── Sidebar ── */
#rc-sidebar {
    width: 200px !important;
    min-width: 200px !important;
    max-width: 200px !important;
    flex-shrink: 0 !important;
    flex-grow: 0 !important;
    flex-basis: 200px !important;
    background: #1e293b !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    position: fixed !important; /* pins sidebar to the viewport so it stays visible while main content scrolls */
    top: 58px !important; /* starts directly below the fixed navbar */
    left: 0 !important;
    height: calc(100vh - 58px) !important; /* fills the full viewport height below the navbar */
    z-index: 100 !important; /* below the navbar (200) so navbar always appears on top */
    transition: width 0.25s ease, min-width 0.25s ease, max-width 0.25s ease !important;
    padding-bottom: 24px !important;
}

/* Sidebar collapsed — narrows sidebar to a 40px icon-only strip to free up screen space */
#rc-sidebar.collapsed {
    width: 40px !important;
    min-width: 40px !important;
    max-width: 40px !important;
    overflow: hidden !important;
}
#rc-sidebar.collapsed .sb-logo-text,
#rc-sidebar.collapsed .sb-search,
#rc-sidebar.collapsed .sb-label,
#rc-sidebar.collapsed ul li a span:not(.nav-ic),
#rc-sidebar.collapsed .sb-help { display: none !important; visibility: hidden !important; }
#rc-sidebar.collapsed ul { display: none !important; }
#rc-sidebar.collapsed .sb-logo {
    justify-content: center !important;
    padding: 14px 0 !important;
    gap: 0 !important;
    width: 40px !important;
}
#rc-sidebar.collapsed .sb-logo .logo-icon { display: none !important; }
#rc-sidebar.collapsed .sb-toggle-btn {
    transform: rotate(180deg) !important;
    margin: 0 auto !important;
    width: 28px !important;
    height: 28px !important;
}

/* Logo row — flex row with icon, text, and collapse toggle button */
#rc-sidebar .sb-logo {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 20px 14px !important;
    border-bottom: 1px solid #2c3e52 !important;
    min-height: 64px !important;
}
#rc-sidebar .sb-logo .logo-icon {
    width: 36px !important;
    height: 36px !important;
    background: linear-gradient(135deg, #1a6fb5, #17a89e) !important;
    border-radius: 8px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1.1rem !important;
    flex-shrink: 0 !important;
}
.sb-logo-text {
    flex: 1 !important;
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    color: white !important;
    line-height: 1.25 !important;
    font-family: 'Raleway', sans-serif !important;
    white-space: nowrap !important;
    overflow: hidden !important;
}

/* Toggle button — rotates 180deg when sidebar is collapsed so the chevron always points correctly */
.sb-toggle-btn {
    background: linear-gradient(135deg, #1a6fb5, #17a89e) !important;
    border: none !important;
    border-radius: 6px !important;
    color: white !important;
    font-size: 1.1rem !important;
    font-weight: 700 !important;
    width: 26px !important;
    height: 26px !important;
    min-width: 26px !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    line-height: 1 !important;
    padding: 0 !important;
    font-family: 'Raleway', sans-serif !important;
    transition: opacity 0.15s, transform 0.25s !important;
}
.sb-toggle-btn:hover { opacity: 0.85 !important; }
#rc-sidebar .sb-toggle-btn,
#rc-sidebar button.sb-toggle-btn {
    color: white !important;
    background: linear-gradient(135deg, #1a6fb5, #17a89e) !important;
    border: none !important;
}
#rc-sidebar .sb-toggle-btn:hover,
#rc-sidebar button.sb-toggle-btn:hover {
    opacity: 0.85 !important;
    color: white !important;
}

/* Search — sidebar search box for filtering nav items via the filterNav() JS function */
#rc-sidebar .sb-search {
    margin: 16px 12px 8px !important;
    position: relative !important;
}
#rc-sidebar .sb-search input {
    width: 100% !important;
    background: #273548 !important;
    border: 1px solid #2e404f !important;
    border-radius: 8px !important;
    padding: 9px 12px !important;
    color: #c8d8f0 !important;
    font-size: 0.9rem !important;
    font-family: 'Raleway', sans-serif !important;
    outline: none !important;
}
#rc-sidebar .sb-search input::placeholder { color: #4a6080 !important; }

/* Section label — small uppercase category header inside the sidebar nav */
#rc-sidebar .sb-label {
    padding: 16px 20px 6px !important;
    font-size: 0.7rem !important;
    text-transform: uppercase !important;
    letter-spacing: 1.5px !important;
    color: #3a5070 !important;
    font-weight: 700 !important;
    font-family: 'Raleway', sans-serif !important;
}

/* Nav links — left-border accent on hover/active highlights the current page */
#rc-sidebar ul { list-style: none !important; margin: 0 !important; padding: 0 !important; flex: 1 !important; overflow-y: auto !important; overflow-x: hidden !important; }
#rc-sidebar ul li a {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 12px 20px !important;
    color: #b0c4de !important;
    text-decoration: none !important;
    font-size: 0.95rem !important;
    font-weight: 500 !important;
    font-family: 'Raleway', sans-serif !important;
    border-left: 3px solid transparent !important;
    line-height: 1.4 !important;
    transition: all 0.15s !important;
}
#rc-sidebar ul li a:hover { color: white !important; background: #273548 !important; border-left-color: #17a89e !important; }
#rc-sidebar ul li a.active { color: white !important; background: #273548 !important; border-left-color: #17a89e !important; }
#rc-sidebar ul li a .nav-ic { width: 20px !important; text-align: center !important; font-size: 1rem !important; flex-shrink: 0 !important; }

/* Help box — always visible at the bottom of the sidebar column */
#rc-sidebar .sb-help {
    flex-shrink: 0 !important;
    margin: 6px 8px !important;
    background: rgba(26,111,181,0.25) !important;
    border-radius: 6px !important;
    padding: 6px 10px !important;
    color: #b0c4de !important;
    font-size: 0.72rem !important;
    font-family: 'Raleway', sans-serif !important;
    text-align: left !important;
    line-height: 1 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}
#rc-sidebar .sb-help .help-icon { font-size: 0.8rem !important; display: inline !important; margin-right: 5px !important; }
#rc-sidebar .sb-help strong { display: inline !important; font-size: 0.72rem !important; font-weight: 600 !important; color: #c8d8f0 !important; }
#rc-sidebar .sb-help span { display: none !important; }

/* Main content — takes remaining width; left margin matches sidebar so content is never obscured */
#rc-main {
    flex: 1 1 0 !important;
    min-width: 0 !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 28px 32px !important;
    margin-left: 200px !important; /* offsets content so it starts to the right of the fixed 200px sidebar */
    transition: margin-left 0.25s ease !important;
}

/* Collapsed sidebar — main content shifts left to reclaim the space */
#admin-shell:has(#rc-sidebar.collapsed) #rc-main {
    margin-left: 40px !important; /* matches the 40px collapsed sidebar width */
}

/* Tables */
.rc-table-card { overflow-x: auto !important; -webkit-overflow-scrolling: touch !important; }
.rc-table-card table { min-width: 540px !important; }

/* Topbar */
#rc-topbar h1, .page-header h1 { font-size: clamp(1.5rem, 2.5vw, 1.85rem) !important; font-weight: 700 !important; line-height: 1.25 !important; color: #0f1b35 !important; }
#rc-topbar p, .page-header p { font-size: 1rem !important; line-height: 1.6 !important; color: #4a6080 !important; }
.tc-header h3 { font-size: 1.15rem !important; font-weight: 700 !important; line-height: 1.3 !important; }
.tc-header p { font-size: 0.95rem !important; line-height: 1.5 !important; }

.rc-card .card-num   { font-size: clamp(1.8rem, 3vw, 2.5rem) !important; }
.rc-card .card-label { font-size: 1rem !important; font-weight: 500 !important; }
.rc-card .card-trend { font-size: 0.9rem !important; font-weight: 600 !important; }

.rc-table-card table  { font-size: 1rem !important; }
.rc-table-card thead th { font-size: 0.8rem !important; font-weight: 700 !important; letter-spacing: 0.5px !important; padding: 13px 18px !important; }
.rc-table-card tbody td { font-size: 1rem !important; padding: 16px 18px !important; line-height: 1.5 !important; }

.badge-read, .badge-unread { display:inline-block !important; min-width:72px !important; width:72px !important; text-align:center !important; padding:5px 8px !important; border-radius:99px !important; font-size:0.82rem !important; font-weight:700 !important; white-space:nowrap !important; box-sizing:border-box !important; }

.btn-view, .btn-toggle, .btn-delete, .btn-search, .btn-clear { font-size: 0.95rem !important; font-family: 'Raleway', sans-serif !important; padding: 8px 16px !important; font-weight: 600 !important; }

.search-bar input, .search-bar select { font-size: 1rem !important; font-family: 'Raleway', sans-serif !important; padding: 10px 14px !important; }

.rc-pagination a, .rc-pagination span.current,
.pagination a, .pagination span.current { font-size: 0.95rem !important; padding: 8px 14px !important; font-weight: 600 !important; }

.vs-card p, .vs-message-body { font-size: 1rem !important; line-height: 1.7 !important; }
.vs-section-label { font-size: 0.78rem !important; font-weight: 700 !important; letter-spacing: 0.6px !important; }
.vs-title-row h2 { font-size: clamp(1.2rem, 2.5vw, 1.6rem) !important; }

/* ── Mobile menu floating button — fixed FAB that opens the sidebar drawer on mobile ── */
#mobile-menu-btn {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a6fb5, #17a89e);
    color: white;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    z-index: 498;
    box-shadow: 0 4px 18px rgba(26,111,181,0.4);
    align-items: center;
    justify-content: center;
    transition: opacity 0.15s;
}
#mobile-menu-btn:hover { opacity: 0.9; }

/* ── Sidebar overlay backdrop — semi-transparent veil behind the open sidebar on mobile ── */
#sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    top: 52px;
    background: rgba(0,0,0,0.45);
    z-index: 499;
}
#sidebar-overlay.active { display: block; }

/* ============================================================
   BREAKPOINTS
   ============================================================ */
@media (max-width: 1024px) {
    #rc-main { padding: 20px 24px !important; }
}

/* Tablet: sidebar collapses to icon strip — text hidden, icons centred, toggles to 240px when expanded */
@media (max-width: 900px) and (min-width: 769px) {
    /* ── Collapsed icon strip ── */
    #rc-sidebar {
        width: 62px !important;
        min-width: 62px !important;
        max-width: 62px !important;
        overflow: hidden !important;
        transition: width 0.25s ease, min-width 0.25s ease, max-width 0.25s ease !important;
    }

    /* Hide text items */
    #rc-sidebar .sb-logo-text,
    #rc-sidebar .sb-search,
    #rc-sidebar .sb-label,
    #rc-sidebar .sb-help { display: none !important; visibility: hidden !important; }

    /* Logo row: centre the toggle button */
    #rc-sidebar .sb-logo {
        justify-content: center !important;
        padding: 12px 0 !important;
        gap: 0 !important;
        width: 62px !important;
        min-height: 56px !important;
    }
    #rc-sidebar .sb-logo .logo-icon { display: none !important; }

    /* Toggle button: right-pointing arrow = "expand" */
    #rc-sidebar .sb-toggle-btn {
        width: 40px !important;
        height: 40px !important;
        min-width: 40px !important;
        font-size: 1.3rem !important;
        transform: rotate(180deg) !important;
        margin: 0 !important;
    }

    /* Nav links: hide text via font-size trick, show icon only */
    #rc-sidebar ul li a {
        justify-content: center !important;
        padding: 13px 0 !important;
        font-size: 0 !important;        /* hides raw text nodes */
        gap: 0 !important;
    }
    #rc-sidebar ul li a .nav-ic {
        font-size: 1.15rem !important;  /* restore icon size */
        width: auto !important;
    }

    /* ── Expanded state ── */
    #rc-sidebar.expanded {
        width: 240px !important;
        min-width: 240px !important;
        max-width: 240px !important;
    }
    #rc-sidebar.expanded .sb-logo-text,
    #rc-sidebar.expanded .sb-search,
    #rc-sidebar.expanded .sb-label,
    #rc-sidebar.expanded .sb-help {
        display: block !important;
        visibility: visible !important;
    }
    #rc-sidebar.expanded .sb-logo {
        justify-content: flex-start !important;
        padding: 16px 12px !important;
        gap: 10px !important;
        width: auto !important;
    }
    #rc-sidebar.expanded .sb-logo .logo-icon { display: flex !important; }
    #rc-sidebar.expanded .sb-toggle-btn {
        width: 26px !important;
        height: 26px !important;
        min-width: 26px !important;
        font-size: 1.1rem !important;
        transform: rotate(0deg) !important;   /* left-pointing = "collapse" */
    }
    #rc-sidebar.expanded ul li a {
        justify-content: flex-start !important;
        padding: 13px 20px !important;
        font-size: 0.95rem !important;
        gap: 10px !important;
    }
    #rc-sidebar.expanded ul li a .nav-ic {
        font-size: 1rem !important;
        width: 20px !important;
    }

    #rc-main { padding: 16px 20px !important; margin-left: 62px !important; } /* matches the 62px icon-strip sidebar width */

    /* Main content margin widens when sidebar is expanded on tablet */
    #admin-shell:has(#rc-sidebar.expanded) #rc-main {
        margin-left: 240px !important; /* matches the 240px expanded sidebar width */
    }
}

/* Mobile: sidebar is a full fixed overlay drawer — slides in from the left over page content */
@media (max-width: 768px) {
    html { font-size: 15px !important; }

    /* ── Navbar ── */
    body { padding-top: 52px !important; } /* mobile navbar is 52px tall, so offset body accordingly */
    #rc-navbar {
        padding: 0 14px !important;
        height: 52px !important;
        min-height: 52px !important;
        max-height: 52px !important;
    }
    #rc-navbar a.rc-brand { line-height: 52px !important; height: 52px !important; font-size: 15px !important; flex-grow: 1 !important; } /* brand stretches to fill space, pushing widgets to the right */
    /* Keep the ul visible so the notification bell and profile avatar remain on mobile */
    #rc-navbar ul { display: flex !important; gap: 6px !important; height: 52px !important; align-items: center !important; flex-shrink: 0 !important; }
    #rc-navbar ul li { height: 52px !important; }
    #rc-navbar ul li a { height: 52px !important; }
    /* Hide name/role text on mobile — only the compact avatar circle shows to save space */
    #rc-navbar .rc-nav-info { display: none !important; }
    /* Match inner containers to mobile navbar height */
    #rc-navbar .rc-nav-dropdown,
    #rc-navbar .rc-nav-profile { height: 52px !important; }
    /* Hide text-only nav links — they are accessible via the hamburger drawer */
    #rc-navbar ul li.rc-nav-text-link { display: none !important; }

    /* Drawer sits directly below the 52px mobile navbar */
    #rc-nav-drawer { top: 52px !important; }

    #rc-nav-toggle {
        display: flex !important;
        align-self: center !important;
        align-items: center !important;
        justify-content: center !important;
        height: 40px !important;
        padding: 8px !important;
        margin: 0 !important;
    }

    /* ── Notification dropdown — keep on screen ── */
    #rc-notification-menu {
        right: auto !important;
        left: -110px !important;
        min-width: 290px !important;
        max-width: calc(100vw - 16px) !important;
    }

    /* ── Admin shell ── */
    #admin-shell {
        flex-direction: column !important;
        min-height: calc(100vh - 52px) !important;
    }

    /* Sidebar becomes fixed overlay drawer */
    #rc-sidebar {
        position: fixed !important;
        left: 0 !important;
        top: 52px !important;
        width: 270px !important;
        min-width: 270px !important;
        max-width: 270px !important;
        height: calc(100vh - 52px) !important;
        transform: translateX(-100%) !important;
        transition: transform 0.28s ease !important;
        z-index: 500 !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        flex-shrink: 0 !important;
    }

    /* Restore all sidebar content (overrides the 900px rules above) */
    #rc-sidebar .sb-logo-text,
    #rc-sidebar .sb-search,
    #rc-sidebar .sb-label,
    #rc-sidebar .sb-help { display: block !important; visibility: visible !important; }
    #rc-sidebar ul { display: block !important; }
    #rc-sidebar ul li a { justify-content: flex-start !important; padding: 13px 20px !important; }
    #rc-sidebar ul li a span:not(.nav-ic) { display: inline !important; }
    #rc-sidebar .sb-logo {
        justify-content: flex-start !important;
        padding: 18px 14px !important;
        gap: 10px !important;
        width: auto !important;
        min-height: 64px !important;
    }
    #rc-sidebar .sb-logo .logo-icon { display: flex !important; }
    #rc-sidebar .sb-toggle-btn { display: flex !important; transform: none !important; }

    /* Open state — slide in */
    #rc-sidebar.expanded {
        transform: translateX(0) !important;
        width: 270px !important;
        min-width: 270px !important;
        max-width: 270px !important;
    }

    /* Main content takes full width — sidebar is an overlay, not in flow */
    #rc-main {
        width: 100% !important;
        margin-left: 0 !important; /* no sidebar offset on mobile; sidebar slides over the top instead */
        padding: 16px !important;
        min-height: calc(100vh - 52px) !important;
        overflow-x: hidden !important;
    }

    /* Show floating menu button */
    #mobile-menu-btn { display: flex !important; }

    /* ── Tables: horizontal scroll ── */
    .rc-table-card { -webkit-overflow-scrolling: touch !important; }
    .rc-table-card table { font-size: 0.82rem !important; }
    .rc-table-card thead th { padding: 10px 12px !important; font-size: 0.72rem !important; }
    .rc-table-card tbody td { padding: 12px !important; font-size: 0.85rem !important; }

    /* ── Stat cards wrap to 2-col grid ── */
    .rc-cards { display: grid !important; grid-template-columns: 1fr 1fr !important; gap: 12px !important; }
    .rc-card { min-width: unset !important; }

    /* ── Search bars stack ── */
    .user-search-bar { flex-wrap: wrap !important; }
    .user-search-bar input { flex: 1 1 100% !important; }
    .search-bar { flex-direction: column !important; }
    .search-bar input, .search-bar select { width: 100% !important; }

    /* ── Edit user form ── */
    .edit-card { max-width: 100% !important; padding: 20px 16px !important; }
    .form-row { flex-direction: column !important; gap: 0 !important; }
    .form-actions { flex-wrap: wrap !important; gap: 10px !important; }
    .form-actions .btn-delete { margin-left: 0 !important; width: 100% !important; justify-content: center !important; }
    .locked-row { flex-wrap: wrap !important; }

    /* ── Topbar ── */
    #rc-topbar { flex-direction: column !important; gap: 10px !important; margin-bottom: 16px !important; }
    #rc-topbar h1 { font-size: clamp(1.1rem, 5vw, 1.4rem) !important; }

    /* ── Buttons in action columns ── */
    .btn-view, .btn-toggle, .btn-delete { font-size: 0.8rem !important; padding: 6px 10px !important; }

    /* ── Public pages ── */
    section { padding: 48px 0 !important; }
    .container { padding-left: 16px !important; padding-right: 16px !important; }
    .column-33, .column-25, .column-50 { width: 100% !important; margin-left: 0 !important; max-width: 100% !important; }
    .login .column-50, .register .column-50 { padding: 0 12px !important; }
}

/* Small phones — reduce base font size further and single-column stat cards */
@media (max-width: 480px) {
    html { font-size: 14px !important; }
    #rc-navbar { padding: 0 10px !important; }

    /* Stat cards go single column */
    .rc-cards { grid-template-columns: 1fr !important; }

    /* Notification dropdown align left on small screens */
    #rc-notification-menu { left: -70px !important; }

    .card { padding: 20px !important; }
    .btn-lg { width: 100% !important; padding: 12px !important; }
    .login { padding: 12px !important; }
    .pagination { gap: 4px !important; }

    /* View submission card stacks */
    .vs-title-row { flex-direction: column !important; gap: 10px !important; }
    .vs-title-row h2 { font-size: 1.1rem !important; }
}