/* ==========================================================================
   ACCESSIBILITY & SCREEN READER UTILITIES (WCAG 2.1 AA/AAA 100% Compliance)
   ========================================================================== */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Accessible Logo Title replacing h2 in header */
.logo-title {
    font-size: 19px !important;
    font-weight: 800 !important;
    line-height: 1.1 !important;
    margin: 0 !important;
    color: var(--text-main) !important;
}
.logo-title span {
    color: var(--g-blue) !important;
}

/* Accessible High-Contrast Badge Pills (WCAG AA 5.5:1+ Ratio) */
.badge-pill {
    display: inline-flex !important;
    align-items: center !important;
    gap: 5px !important;
    padding: 3px 12px !important;
    border-radius: var(--radius-pill) !important;
    font-size: 11.5px !important;
    font-weight: 700 !important;
    background: #e8f0fe !important;
    color: #1557b0 !important;
    border: 1px solid rgba(21, 87, 176, 0.25) !important;
}

.badge-pill.badge-admin,
.badge-admin {
    background: #fef7e0 !important;
    color: #7c3a00 !important;
    border-color: rgba(124, 58, 0, 0.3) !important;
}

[data-theme="dark"] .badge-pill,
body.dark .badge-pill {
    background: rgba(66, 133, 244, 0.2) !important;
    color: #8ab4f8 !important;
    border-color: rgba(138, 180, 248, 0.35) !important;
}

[data-theme="dark"] .badge-pill.badge-admin,
body.dark .badge-pill.badge-admin,
[data-theme="dark"] .badge-admin,
body.dark .badge-admin {
    background: rgba(251, 188, 4, 0.2) !important;
    color: #fdd663 !important;
    border-color: rgba(253, 214, 99, 0.35) !important;
}

/* Accessible Focus States */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--g-blue) !important;
    outline-offset: 2px !important;
}



/* ==========================================================================
   DigitalHub Pro / DH Enterprise - Universal Design System & Component Styles
   100% Header, Footer, Drawer, Bottom Nav & Authentication Parity
   Scoped cleanly to prevent layout clashes with page-specific components
   ========================================================================== */

:root {
    --g-blue: #1a73e8;
    --g-blue-hover: #1557b0;
    --g-blue-light: #e8f0fe;
    --g-blue-surface: rgba(26, 115, 232, 0.08);
    --g-red: #ea4335;
    --g-red-light: #fce8e6;
    --g-yellow: #fbbc04;
    --g-yellow-light: #fef7e0;
    --g-green: #34a853;
    --g-green-light: #e6f4ea;

    --bg: #ffffff;
    --bg-alt: #f8fafd;
    --surface: #ffffff;
    --surface-raised: #f1f4f9;
    --border: #e2e8f0;
    --border-light: #edf2f7;

    --text-main: #1e293b;
    --text-muted: #5f6368;
    --text-subtle: #5f6368;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 9999px;

    --header-h: 70px;
    --bottom-nav-h: 66px;
    --container-max: 1200px;
    --font-sans: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --shadow-soft: 0 4px 20px -2px rgba(26, 115, 232, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 12px 28px -4px rgba(26, 115, 232, 0.16), 0 4px 10px -2px rgba(0, 0, 0, 0.06);
    --shadow-drawer: -4px 0 30px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"], body.dark {
    --bg: #0f172a;
    --bg-alt: #0a0f1d;
    --surface: #1e293b;
    --surface-raised: #283548;
    --border: #334155;
    --border-light: #1e293b;

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-subtle: #94a3b8;

    --g-blue-surface: rgba(66, 133, 244, 0.15);
    --g-blue-light: rgba(66, 133, 244, 0.2);
    --g-red-light: rgba(234, 67, 53, 0.2);
    --g-green-light: rgba(52, 168, 83, 0.2);
    --g-yellow-light: rgba(251, 188, 4, 0.2);

    --shadow-soft: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 12px 28px -4px rgba(0, 0, 0, 0.6);
}

/* Global Typography & AI Aesthetic Headings */
html {
    scroll-behavior: smooth;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text-main);
    margin: 0;
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Global Viewport & Box Sizing Protection */
html, body {
    max-width: 100vw !important;
    overflow-x: hidden !important;
    -webkit-text-size-adjust: 100%;
}

*, *::before, *::after {
    box-sizing: border-box !important;
}

img, svg, video, canvas {
    max-width: 100% !important;
    height: auto !important;
}

input, select, textarea, button {
    max-width: 100% !important;
}

/* ==========================================================================
   Universal Headings & Typography (Ultra-Bold Real 900/800 Weights)
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
    color: var(--text-main);
    margin-top: 0;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h1 *, .hero h1, .hero h1 *, .page-header h1, .page-header h1 *, .forum-title-area h1, .forum-title-area h1 * {
    font-weight: 900 !important;
    font-variation-settings: 'wght' 900 !important;
    letter-spacing: -0.04em !important;
}

h2, h2 *, .section-head h2, .section-head h2 *, .section-title h2, .section-title h2 * {
    font-weight: 800 !important;
    font-variation-settings: 'wght' 800 !important;
    letter-spacing: -0.035em !important;
}

h3, h3 * {
    font-weight: 800 !important;
    font-variation-settings: 'wght' 800 !important;
    letter-spacing: -0.025em !important;
}

h4, h4 * {
    font-weight: 700 !important;
    font-variation-settings: 'wght' 700 !important;
    letter-spacing: -0.02em !important;
}

h5, h6 {
    font-weight: 700 !important;
    font-variation-settings: 'wght' 700 !important;
}

/* ==========================================================================
   Universal Header & Footer Container Protection
   Forces 100% Identical Alignment, Width, and Padding Across ALL Pages
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
}

.app-header .container,
footer .container {
    width: 100% !important;
    max-width: 1200px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    padding-left: 20px !important;
    padding-right: 20px !important;
    box-sizing: border-box !important;
}

@media (max-width: 768px) {
    .container {
        padding-left: 16px !important;
        padding-right: 16px !important;
    }
}

@media (max-width: 480px) {
    .app-header .container,
    footer .container {
        padding-left: 16px !important;
        padding-right: 16px !important;
    }
}

/* ==========================================================================
   Universal Header
   ========================================================================== */
.app-header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    height: var(--header-h) !important;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(14px) !important;
    -webkit-backdrop-filter: blur(14px) !important;
    border-bottom: 1px solid var(--border) !important;
    z-index: 1000 !important;
    transition: background 0.2s ease, border-color 0.2s ease !important;
    box-sizing: border-box !important;
}

.app-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #4285F4 25%, #EA4335 25% 50%, #FBBC05 50% 75%, #34A853 75% 100%);
    z-index: 1001;
}

[data-theme="dark"] .app-header, body.dark .app-header {
    background: rgba(18, 19, 20, 0.95) !important;
    border-bottom-color: var(--border) !important;
}

main {
    padding-top: var(--header-h) !important;
}

/* ==========================================================================
   PAGE-SPECIFIC TOP BREATHING ROOM (Below Fixed Universal Header)
   Provides comfortable breathing room so cards, titles, and badge pills
   never touch or tuck under the fixed header border.
   ========================================================================== */

/* Forum Discussions: List Feed & Topic Detail Views */
body[data-page="forum"] main {
    padding-top: var(--header-h) !important;
}

/* Legal Documents: Terms & Conditions & Refund Policy, Privacy Policy */
body[data-page="terms"] main,
body[data-page="privacy"] main {
    padding-top: calc(var(--header-h) + 36px) !important;
}

.nav-inner {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    height: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.logo-box {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    text-decoration: none !important;
    user-select: none !important;
    flex-shrink: 0 !important;
    background: transparent !important;
    width: auto !important;
    height: auto !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.logo-box:hover .logo-icon {
    transform: scale(1.05);
}

.logo-icon {
    width: 38px !important;
    height: 38px !important;
    border-radius: 10px !important;
    background: transparent !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: none !important;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
    flex-shrink: 0 !important;
    overflow: hidden !important;
}

.logo-icon img, .dh-logo-img {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    display: block !important;
    border-radius: 8px !important;
    filter: drop-shadow(0 2px 8px rgba(26, 115, 232, 0.4)) !important;
}

.logo-text h2 {
    font-size: 19px !important;
    font-weight: 900 !important;
    margin: 0 !important;
    line-height: 1.1 !important;
    color: var(--text-main) !important;
    display: flex !important;
    align-items: center !important;
    gap: 2px !important;
}

.logo-text h2 span {
    color: var(--g-blue) !important;
}

.logo-text p {
    font-size: 10.5px !important;
    color: var(--text-muted) !important;
    margin: 2px 0 0 0 !important;
    line-height: 1 !important;
    font-weight: 600 !important;
    letter-spacing: 0.02em !important;
    text-transform: uppercase !important;
}

/* Desktop Nav in Header */
.desktop-nav {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    flex-wrap: nowrap !important;
}

.desktop-nav a.nav-link,
.desktop-nav > a {
    color: var(--text-muted) !important;
    font-size: 13.5px !important;
    font-weight: 650 !important;
    padding: 8px 13px !important;
    border-radius: var(--radius-pill) !important;
    transition: all 0.15s ease !important;
    white-space: nowrap !important;
    text-decoration: none !important;
    background: transparent !important;
}

.desktop-nav a.nav-link:hover,
.desktop-nav > a:hover {
    color: var(--text-main) !important;
    background: var(--surface-raised) !important;
}

.desktop-nav a.nav-link.active,
.desktop-nav > a.active {
    color: var(--g-blue) !important;
    background: var(--g-blue-surface) !important;
    font-weight: 800 !important;
}

/* More Dropdown Navigation */
.nav-dropdown {
    position: relative !important;
    display: inline-flex !important;
    align-items: center !important;
}

.nav-dropdown-btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 8px 14px !important;
    border-radius: var(--radius-pill) !important;
    font-size: 13.5px !important;
    font-weight: 650 !important;
    color: var(--text-muted) !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer !important;
    transition: all 0.15s ease !important;
    white-space: nowrap !important;
    font-family: inherit !important;
}

.nav-dropdown-btn:hover {
    color: var(--text-main) !important;
    background: var(--surface-raised) !important;
}

.nav-dropdown-btn.active, .nav-dropdown.open .nav-dropdown-btn {
    color: var(--g-blue) !important;
    background: var(--g-blue-surface) !important;
    font-weight: 800 !important;
}

.nav-dropdown-chevron {
    transition: transform 0.2s ease !important;
    flex-shrink: 0 !important;
}

.nav-dropdown.open .nav-dropdown-chevron {
    transform: rotate(180deg) !important;
}

.nav-dropdown-menu {
    position: absolute !important;
    top: calc(100% + 8px) !important;
    right: 0 !important;
    width: 270px !important;
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    border-radius: 16px !important;
    padding: 8px !important;
    box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.12), 0 4px 12px -2px rgba(0, 0, 0, 0.06) !important;
    display: none !important;
    flex-direction: column !important;
    gap: 3px !important;
    z-index: 1100 !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    animation: navDropdownFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

html[data-theme="dark"] .nav-dropdown-menu {
    background: #18202f !important;
    border-color: rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 16px 36px -4px rgba(0, 0, 0, 0.5) !important;
}

.nav-dropdown.open .nav-dropdown-menu {
    display: flex !important;
}

@keyframes navDropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-6px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.dropdown-item {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 9px 12px !important;
    border-radius: 10px !important;
    text-decoration: none !important;
    color: var(--text-main) !important;
    transition: background 0.18s ease !important;
}

.dropdown-item:hover {
    background: var(--surface-raised) !important;
}

.dropdown-item.active {
    background: var(--g-blue-surface) !important;
    color: var(--g-blue) !important;
}

.dropdown-item-icon {
    width: 32px !important;
    height: 32px !important;
    border-radius: 8px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
}

.dropdown-item-text {
    display: flex !important;
    flex-direction: column !important;
    gap: 2px !important;
}

.dropdown-item-title {
    font-size: 13px !important;
    font-weight: 700 !important;
    color: var(--text-main) !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
}

.dropdown-item.active .dropdown-item-title {
    color: var(--g-blue) !important;
}

.ext-badge {
    font-size: 11px !important;
    color: var(--g-blue) !important;
    font-weight: 800 !important;
}

.dropdown-item-desc {
    font-size: 11px !important;
    color: var(--text-muted) !important;
    line-height: 1.2 !important;
}

/* Nav Actions */
.nav-actions {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    flex-shrink: 0 !important;
}

.btn-theme {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-theme:hover {
    color: var(--text-main);
    border-color: var(--g-blue);
    background: var(--surface-raised);
}

.btn-icon-mobile {
    display: none;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-main);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* User Profile Dropdown */
.user-nav-dropdown {
    position: relative;
}

.user-nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px 4px 5px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-main);
    cursor: pointer;
    font-size: 12.5px;
    font-weight: 700;
}

.user-nav-btn:hover {
    border-color: var(--g-blue);
    background: var(--g-blue-surface);
}

.user-nav-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--surface-raised);
}

.user-nav-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 230px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-hover);
    padding: 8px 0;
    display: none;
    z-index: 1001;
    animation: fadeInMenu 0.15s ease forwards;
}

.user-nav-menu.open {
    display: block;
}

@keyframes fadeInMenu {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-nav-menu-header {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 4px;
}

.user-nav-menu-header .name {
    font-weight: 800;
    font-size: 13px;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-nav-menu-header .email {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-nav-menu a, .user-nav-menu button {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 14px;
    font-size: 12.5px;
    font-weight: 650;
    color: var(--text-main);
    text-decoration: none;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.user-nav-menu a:hover, .user-nav-menu button:hover {
    background: var(--surface-raised);
    color: var(--g-blue);
}

.user-nav-menu button.logout-item:hover {
    background: var(--g-red-light);
    color: var(--g-red);
}

/* ==========================================================================
   Universal Mobile Drawer
   ========================================================================== */
.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.mobile-drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: -300px;
    width: 290px;
    max-width: 85vw;
    height: 100%;
    background: var(--surface);
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow-drawer);
    z-index: 2000;
    transition: right 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 20px 18px;
    overflow-y: auto;
}

.mobile-drawer.open {
    right: 0;
}

.drawer-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 14px;
}

.drawer-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 13.5px;
    font-weight: 700;
    text-decoration: none;
}

.drawer-links a svg {
    color: var(--text-muted);
    flex-shrink: 0;
}

.drawer-links a:hover, .drawer-links a.active {
    background: var(--g-blue-surface);
    color: var(--g-blue);
}

.drawer-links a.active svg {
    color: var(--g-blue);
}

/* ==========================================================================
   Universal Footer
   ========================================================================== */
footer {
    background: var(--surface) !important;
    border-top: 1px solid var(--border) !important;
    padding: 56px 0 28px 0 !important;
    position: relative !important;
    z-index: 10 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    font-size: 13px !important;
    color: var(--text-muted) !important;
}

[data-theme="dark"] footer,
body.dark footer {
    background: #161719 !important;
    border-top-color: var(--border) !important;
}

.footer-grid {
    display: grid !important;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 36px;
    margin-bottom: 40px;
    width: 100% !important;
    box-sizing: border-box !important;
}

.footer-grid > div {
    min-width: 0;
    box-sizing: border-box;
}

.footer-grid input {
    min-width: 0 !important;
    box-sizing: border-box !important;
}

footer a {
    word-break: break-word;
}

.footer-grid h4 {
    font-size: 14.5px !important;
    font-weight: 800 !important;
    margin-bottom: 16px !important;
    color: var(--text-main) !important;
    letter-spacing: -0.02em !important;
}

.footer-grid ul {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.footer-grid ul li {
    margin-bottom: 10px !important;
}

.footer-grid ul li a {
    color: var(--text-muted) !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    transition: color 0.15s ease !important;
}

.footer-grid ul li a:hover {
    color: var(--g-blue) !important;
}

.footer-bottom {
    border-top: 1px solid var(--border) !important;
    padding-top: 24px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    font-size: 12.5px !important;
    color: var(--text-muted) !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
}

.footer-bottom a {
    color: var(--text-muted) !important;
    text-decoration: none !important;
    padding: 4px 6px !important;
    display: inline-block !important;
    font-weight: 600 !important;
    transition: color 0.15s ease !important;
}

.footer-bottom a:hover {
    color: var(--g-blue) !important;
}

/* ==========================================================================
   Universal Mobile Bottom Navigation Bar (Google Material 3)
   ========================================================================== */
.google-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-h);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    z-index: 1500;
    justify-content: space-around;
    align-items: center;
    padding: 0 4px calc(env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -2px 14px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .google-bottom-nav {
    background: rgba(15, 23, 42, 0.95);
    border-top-color: var(--border);
}

.g-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: -0.01em;
    flex: 1;
    height: 100%;
    padding: 4px 0;
    user-select: none;
}

.g-nav-icon-pill {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 26px;
    border-radius: var(--radius-pill);
    margin-bottom: 2px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.g-nav-item svg {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.g-nav-item.active {
    color: var(--g-blue) !important;
    font-weight: 800 !important;
}

.g-nav-item.active .g-nav-icon-pill {
    background-color: var(--g-blue-light) !important;
    color: var(--g-blue) !important;
}

.g-nav-item.active svg {
    transform: scale(1.08);
}

/* ==========================================================================
   Universal Auth Modal (Google Material 3 Theme)
   ========================================================================== */
.auth-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    box-sizing: border-box;
}

.auth-modal-overlay.open {
    display: flex;
}

.auth-modal-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.2), 0 2px 6px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 440px;
    padding: 28px 24px;
    position: relative;
    box-sizing: border-box;
    animation: modalPop 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.96) translateY(8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.auth-modal-header {
    margin-bottom: 20px;
    padding-right: 36px;
}

.auth-modal-header h3 {
    font-size: 21px;
    font-weight: 850;
    color: var(--text-main);
    margin: 0 0 6px 0;
    line-height: 1.25;
}

.auth-modal-header p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.45;
}

.auth-modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.15s ease;
}

.auth-modal-close:hover {
    background: var(--border);
    color: var(--text-main);
    transform: rotate(90deg);
}

.auth-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    border-bottom: 1.5px solid var(--border);
    padding-bottom: 8px;
}

.auth-tab-btn {
    background: none;
    border: none;
    padding: 7px 16px;
    font-size: 13px;
    font-weight: 750;
    font-family: inherit;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-pill);
    transition: all 0.18s ease;
}

.auth-tab-btn:hover {
    color: var(--text-main);
    background: var(--surface-raised);
}

.auth-tab-btn.active {
    background: var(--g-blue-surface);
    color: var(--g-blue);
    font-weight: 850;
}

.auth-modal-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 5px;
}

/* ==========================================================================
   INPUT BOXES IN AUTH MODAL (FIXED & FULLY STYLED)
   ========================================================================== */
.auth-modal-input,
.auth-input {
    width: 100%;
    padding: 11px 14px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border);
    background: var(--surface-raised);
    color: var(--text-main);
    font-family: inherit;
    font-size: 13.5px;
    line-height: 1.4;
    outline: none;
    box-sizing: border-box;
    transition: all 0.18s ease;
    display: block;
}

.auth-modal-input:focus,
.auth-input:focus {
    border-color: var(--g-blue);
    background: var(--surface);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.18);
}

.auth-modal-input::placeholder,
.auth-input::placeholder {
    color: var(--text-subtle);
    font-weight: 450;
}

/* Captcha input custom style */
#dhCaptchaInput {
    display: inline-block;
    vertical-align: middle;
    text-transform: uppercase;
    font-family: monospace;
    font-weight: 850;
    letter-spacing: 3px;
    text-align: center;
    width: 110px !important;
}

.auth-notice {
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 12.5px;
    margin-bottom: 14px;
    display: none;
    line-height: 1.45;
    font-weight: 600;
}

/* ==========================================================================
   REACTION & LIKE BUTTONS (Community Forum & Discussions)
   ========================================================================== */
.reply-footer {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 10px !important;
    margin-top: 12px !important;
    padding-top: 10px !important;
    border-top: 1px solid var(--border) !important;
}

.btn-like {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    background: var(--bg-alt) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-pill) !important;
    padding: 5px 13px !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    font-family: var(--font-sans) !important;
    color: var(--text-muted) !important;
    cursor: pointer !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
    user-select: none !important;
    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.08) !important;
}

.btn-like:hover {
    color: #d93025 !important;
    border-color: rgba(234, 67, 53, 0.45) !important;
    background: rgba(234, 67, 53, 0.08) !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 2px 6px rgba(234, 67, 53, 0.15) !important;
}

.btn-like:active {
    transform: scale(0.96) !important;
}

.btn-like.liked {
    color: #d93025 !important;
    border-color: #ea4335 !important;
    background: rgba(234, 67, 53, 0.12) !important;
    font-weight: 700 !important;
    box-shadow: 0 1px 4px rgba(234, 67, 53, 0.25) !important;
}

.btn-like .like-icon {
    font-size: 13px !important;
    line-height: 1 !important;
    display: inline-block !important;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.btn-like.liked .like-icon {
    transform: scale(1.25) !important;
}

[data-theme="dark"] .btn-like,
body.dark .btn-like {
    background: rgba(255, 255, 255, 0.05) !important;
    border-color: var(--border) !important;
    color: #9aa0a6 !important;
}

[data-theme="dark"] .btn-like:hover,
body.dark .btn-like:hover,
[data-theme="dark"] .btn-like.liked,
body.dark .btn-like.liked {
    background: rgba(234, 67, 53, 0.2) !important;
    color: #f28b82 !important;
    border-color: rgba(242, 139, 130, 0.5) !important;
}

/* Responsive */
@media (max-width: 992px) {
    .desktop-nav {
        display: none !important;
    }
    .btn-nav-desktop {
        display: none !important;
    }
    .btn-icon-mobile {
        display: inline-flex !important;
    }
    .footer-grid {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 32px 24px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
}

@media (max-width: 768px) {
    :root {
        --header-h: 64px;
    }

    .app-header {
        top: 0 !important;
    }

    /* Hide Sign In & User dropdown in mobile header (moved to mobile sidebar drawer) */
    .app-header #dhNavUserSlot {
        display: none !important;
    }

    main {
        padding-top: var(--header-h) !important;
    }

    body[data-page="forum"] main {
    padding-top: var(--header-h) !important;
}

    body[data-page="terms"] main,
    body[data-page="privacy"] main {
        padding-top: calc(var(--header-h) + 24px) !important;
    }

    footer {
        padding-bottom: calc(var(--bottom-nav-h) + 24px + env(safe-area-inset-bottom, 0px)) !important;
    }

    body {
        padding-bottom: 0 !important;
        margin-bottom: 0 !important;
    }

    .google-bottom-nav {
        display: flex !important;
    }

    .footer-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 28px !important;
        margin-bottom: 32px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .footer-grid > div {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .footer-bottom {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
        text-align: left !important;
    }

    .footer-bottom > div {
        width: 100% !important;
    }

    /* ==========================================================================
       Universal Mobile Page Responsiveness (Prevents Desktop-Scale View on Mobile)
       ========================================================================== */
    /* Container fluid padding */
    .container {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: 16px !important;
        padding-right: 16px !important;
        box-sizing: border-box !important;
    }

    /* Mobile Fluid Typography */
    h1, .hero h1, .page-header h1, .forum-title-area h1 {
        font-size: clamp(26px, 7vw, 36px) !important;
        font-weight: 900 !important;
        font-variation-settings: 'wght' 900 !important;
        line-height: 1.2 !important;
        letter-spacing: -0.035em !important;
    }

    h2, .section-head h2, .section-title h2 {
        font-size: clamp(21px, 5.5vw, 28px) !important;
        font-weight: 800 !important;
        font-variation-settings: 'wght' 800 !important;
        line-height: 1.25 !important;
        letter-spacing: -0.025em !important;
    }

    h3 {
        font-size: clamp(17.5px, 4.5vw, 22px) !important;
        font-weight: 800 !important;
        font-variation-settings: 'wght' 800 !important;
        line-height: 1.3 !important;
        letter-spacing: -0.02em !important;
    }

    h4 {
        font-size: clamp(15px, 3.8vw, 17px) !important;
        font-weight: 700 !important;
        font-variation-settings: 'wght' 700 !important;
        line-height: 1.35 !important;
    }

    /* Universal Responsive Single-Column Grid Stacking */
    .grid-4, 
    .grid-3, 
    .grid-2, 
    .pricing-grid, 
    .contact-grid, 
    .calc-wrapper,
    .profile-grid,
    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* Stats Grid on Mobile: 2x2 Clean Layout */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
        width: 100% !important;
    }

    /* Hero Actions: Full-width stacked buttons */
    .hero-actions {
        flex-direction: column !important;
        width: 100% !important;
        gap: 10px !important;
        align-items: stretch !important;
    }

    .hero-actions .btn {
        width: 100% !important;
        max-width: 100% !important;
        white-space: normal !important;
        text-align: center !important;
        padding: 12px 18px !important;
        font-size: 14px !important;
        box-sizing: border-box !important;
    }

    /* General Button Safety on Mobile */
    .btn {
        max-width: 100% !important;
        box-sizing: border-box !important;
        word-break: break-word !important;
    }

    /* Cards & Containers on Mobile */
    .card, .calc-wrapper, .calc-result-box, .legal-card, .profile-card, .topic-card {
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 20px 16px !important;
        border-radius: 16px !important;
    }

    /* Radio & Checkbox Grids */
    .radio-grid, .checkbox-grid {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
        width: 100% !important;
    }

    /* Tables & Wide Blocks */
    table, .table-responsive {
        display: block !important;
        width: 100% !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding-left: 14px !important;
        padding-right: 14px !important;
    }

    body[data-page="forum"] main {
    padding-top: var(--header-h) !important;
}

    body[data-page="terms"] main,
    body[data-page="privacy"] main {
        padding-top: calc(var(--header-h) + 20px) !important;
    }

    .hero {
        padding: 36px 0 28px !important;
    }

    .hero h1 {
        font-size: clamp(24px, 7.5vw, 32px) !important;
    }

    .hero p.lead {
        font-size: 14px !important;
        line-height: 1.55 !important;
    }

    .stat-card {
        padding: 12px 8px !important;
    }

    .stat-card h3 {
        font-size: 20px !important;
    }

    .stat-card p {
        font-size: 10.5px !important;
    }

    .calc-result-box h2 {
        font-size: 28px !important;
    }

    footer {
        padding-top: 36px !important;
    }

    .footer-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 24px !important;
        margin-bottom: 24px !important;
        width: 100% !important;
    }

    .footer-grid > div {
        width: 100% !important;
        max-width: 100% !important;
    }

    .footer-bottom {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px !important;
        font-size: 11.5px !important;
    }
}


/* ==========================================================================
   POPPINS FONT & MODERN BUTTON POLISH
   ========================================================================== */
html, body, button, input, select, textarea, .logo-title, .hero-title, .topic-title, .nav-link {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}

body[data-page="forum"] main {
    padding-top: var(--header-h) !important;
    margin-top: 0 !important;
}

/* Modern Gradient Glow Buttons */
.btn-modern-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: 12px;
    font-family: 'Poppins', sans-serif !important;
    font-weight: 700;
    font-size: 14px;
    color: #ffffff !important;
    background: linear-gradient(135deg, #1a73e8 0%, #2563eb 50%, #4f46e5 100%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 16px rgba(26, 115, 232, 0.35);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-modern-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26, 115, 232, 0.45);
    filter: brightness(1.08);
}
.btn-modern-primary:active {
    transform: translateY(0);
}

.btn-modern-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 12px;
    font-family: 'Poppins', sans-serif !important;
    font-weight: 600;
    font-size: 13.5px;
    color: var(--text-main) !important;
    background: var(--surface);
    border: 1.5px solid var(--border);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}
.btn-modern-secondary:hover {
    border-color: var(--g-blue);
    background: var(--surface-raised);
    color: var(--g-blue) !important;
    transform: translateY(-1px);
}

.btn-whatsapp-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: 9999px;
    font-family: 'Poppins', sans-serif !important;
    font-weight: 700;
    font-size: 13px;
    color: #ffffff !important;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-whatsapp-pill:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(37, 211, 102, 0.42);
    filter: brightness(1.06);
}

.btn-like-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 9999px;
    font-family: 'Poppins', sans-serif !important;
    font-size: 13px;
    font-weight: 700;
    background: var(--surface);
    border: 1.5px solid var(--border);
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-like-pill:hover {
    border-color: #ef4444;
    color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
    transform: translateY(-1px);
}
.btn-like-pill.liked {
    border-color: #ef4444;
    color: #ef4444;
    background: rgba(239, 68, 68, 0.12);
}