@import url("https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&family=Space+Grotesk:wght@600;700&display=swap");

:root, [data-pnsms-theme="cobalt"] {
  --t-font-display: 'Space Grotesk', 'Be Vietnam Pro', sans-serif;
  --t-font-body: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  --t-font-mono: 'JetBrains Mono', monospace;
--t-bg: #F4F8FF;
  --t-bg-alt: #EAF2FF;
  --t-surface: #FFFFFF;
  --t-surface-2: #EEF4FF;
  --t-surface-glass: rgba(255, 255, 255, 0.84);
  --t-border: rgba(37, 99, 235, 0.14);
  --t-border-strong: #2563EB;
  --t-text: #0B1120;
  --t-text-soft: #1E293B;
  --t-muted: #52637A;
  --t-accent: #2563EB;
  --t-accent-2: #0EA5E9;
  --t-accent-3: #6366F1;
  --t-accent-soft: rgba(37, 99, 235, 0.1);
  --t-gradient: linear-gradient(135deg, #1D4ED8 0%, #2563EB 50%, #0EA5E9 100%);
  --t-btn-text: #FFFFFF;
  --t-header-bg: rgba(255, 255, 255, 0.82);
  --t-contrast-bg: #0B1120;
  --t-contrast-surface: #131C31;
  --t-contrast-text: #F8FAFC;
  --t-contrast-muted: #94A3B8;
  --t-radius-sm: 12px;
  --t-radius: 20px;
  --t-radius-lg: 28px;
  --t-radius-pill: 999px;
  --t-shadow: 0 24px 60px -18px rgba(37, 99, 235, 0.18);
  --t-shadow-sm: 0 12px 26px -10px rgba(15, 23, 42, 0.08);
}

[data-pnsms-theme="cobalt"][data-theme-mode="dark"] {
--t-bg: #070D19;
  --t-bg-alt: #0B1324;
  --t-surface: #101A30;
  --t-surface-2: #162340;
  --t-surface-glass: rgba(16, 26, 48, 0.84);
  --t-border: rgba(56, 189, 248, 0.16);
  --t-border-strong: #38BDF8;
  --t-text: #F8FAFC;
  --t-text-soft: #E2E8F0;
  --t-muted: #94A3B8;
  --t-accent: #3B82F6;
  --t-accent-2: #38BDF8;
  --t-header-bg: rgba(11, 19, 36, 0.84);
  --t-shadow: 0 28px 65px -18px rgba(0, 0, 0, 0.7);
}

/* ==========================================================================
   PNSMS Production Frontend Theme Engine (cobalt)
   100% Real-Data Driven | LTR + RTL | Vietnamese UTF-8 Optimized
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--t-font-body);
  background-color: var(--t-bg);
  color: var(--t-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

h1, h2, h3, h4, h5, h6, .pn-display {
  font-family: var(--t-font-display);
  color: var(--t-text);
  letter-spacing: -0.025em;
  line-height: 1.18;
  margin-top: 0;
}

.pn-mono {
  font-family: var(--t-font-mono);
}

a {
  transition: color 0.2s ease, opacity 0.2s ease;
}

img {
  max-width: 100%;
  height: auto;
}

.pn-container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 575.98px) {
  .pn-container {
    padding: 0 16px;
  }
}

.pn-section {
  padding: 96px 0;
  position: relative;
}

.pn-section-alt {
  background-color: var(--t-bg-alt);
  border-top: 1px solid var(--t-border);
  border-bottom: 1px solid var(--t-border);
}

.pn-section-contrast {
  background-color: var(--t-contrast-bg);
  color: var(--t-contrast-text);
}

.pn-section-contrast h1,
.pn-section-contrast h2,
.pn-section-contrast h3,
.pn-section-contrast h4,
.pn-section-contrast h5,
.pn-section-contrast h6 {
  color: var(--t-contrast-text);
}

.pn-section-contrast .pn-muted {
  color: var(--t-contrast-muted) !important;
}

@media (max-width: 991.98px) {
  .pn-section {
    padding: 68px 0;
  }
}

/* Eyebrow & Badges */
.pn-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--t-radius-pill);
  background: var(--t-accent-soft);
  border: 1px solid var(--t-border);
  color: var(--t-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 18px;
}

.pn-dot-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--t-accent);
  box-shadow: 0 0 0 4px var(--t-accent-soft);
  display: inline-block;
}

.pn-title-xl {
  font-size: clamp(2.25rem, 4.4vw, 3.85rem);
  font-weight: 800;
  line-height: 1.1;
}

.pn-title-lg {
  font-size: clamp(1.8rem, 3.1vw, 2.75rem);
  font-weight: 700;
}

.pn-lead {
  font-size: clamp(1.02rem, 1.25vw, 1.16rem);
  color: var(--t-muted);
  line-height: 1.72;
}

.pn-muted {
  color: var(--t-muted);
}

.pn-text-gradient {
  background: var(--t-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.pn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--t-radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.pn-btn:hover {
  transform: translateY(-2px);
}

.pn-btn-primary {
  background: var(--t-gradient);
  color: var(--t-btn-text) !important;
  box-shadow: var(--t-shadow-sm);
}

.pn-btn-primary:hover {
  box-shadow: var(--t-shadow);
  opacity: 0.96;
}

.pn-btn-outline {
  background: var(--t-surface);
  color: var(--t-text) !important;
  border-color: var(--t-border);
}

.pn-btn-outline:hover {
  border-color: var(--t-accent);
  color: var(--t-accent) !important;
}

.pn-btn-sm {
  padding: 9px 18px;
  font-size: 0.875rem;
}

.pn-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--t-radius-pill);
  border: 1px solid var(--t-border);
  background: var(--t-surface);
  color: var(--t-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.pn-icon-btn:hover {
  border-color: var(--t-accent);
  color: var(--t-accent);
}

/* Header & Navigation */
.pn-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--t-header-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--t-border);
  transition: box-shadow 0.25s ease, background-color 0.25s ease;
}

.pn-header.is-scrolled {
  box-shadow: var(--t-shadow-sm);
}

.pn-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 76px;
}

.pn-brand {
  flex-shrink: 0;
}

.pn-brand img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.pn-nav {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pn-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 13px;
  border-radius: var(--t-radius-pill);
  color: var(--t-text-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.pn-nav-link:hover,
.pn-nav-link.active {
  color: var(--t-accent);
  background: var(--t-accent-soft);
}

/* Mobile Drawer */
.pn-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.pn-drawer-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.pn-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(340px, 88vw);
  background: var(--t-surface);
  border-left: 1px solid var(--t-border);
  z-index: 1050;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  overflow-y: auto;
}

[dir="rtl"] .pn-drawer {
  right: auto;
  left: 0;
  border-left: none;
  border-right: 1px solid var(--t-border);
  transform: translateX(-100%);
}

.pn-drawer.is-open {
  transform: translateX(0);
}

/* Cards & Surfaces */
.pn-card {
  background: var(--t-surface);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius);
  padding: 28px;
  box-shadow: var(--t-shadow-sm);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  height: 100%;
}

.pn-card:hover {
  transform: translateY(-4px);
  border-color: var(--t-border-strong);
  box-shadow: var(--t-shadow);
}

.pn-card-contrast {
  background: var(--t-contrast-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--t-radius);
  padding: 28px;
  color: var(--t-contrast-text);
  height: 100%;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.pn-card-contrast:hover {
  transform: translateY(-4px);
  border-color: var(--t-accent);
}

.pn-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--t-radius-sm);
  background: var(--t-accent-soft);
  color: var(--t-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

/* Avatar Stack */
.pn-avatar-stack {
  display: inline-flex;
  align-items: center;
}

.pn-avatar-stack img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--t-surface);
  margin-left: -10px;
}

.pn-avatar-stack img:first-child {
  margin-left: 0;
}

[dir="rtl"] .pn-avatar-stack img {
  margin-left: 0;
  margin-right: -10px;
}

[dir="rtl"] .pn-avatar-stack img:first-child {
  margin-right: 0;
}

/* Interactive Channel Tabs */
.pn-tab-pills {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px;
  background: var(--t-surface-2);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius-pill);
}

.pn-tab-btn {
  border: none;
  background: transparent;
  color: var(--t-muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 9px 18px;
  border-radius: var(--t-radius-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.pn-tab-btn.is-active {
  background: var(--t-gradient);
  color: var(--t-btn-text);
  box-shadow: var(--t-shadow-sm);
}

.pn-tab-panel {
  display: none;
}

.pn-tab-panel.is-active {
  display: block;
  animation: pnFadeIn 0.28s ease;
}

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

/* Pricing Cards */
.pn-plan-card {
  background: var(--t-surface);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius-lg);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.pn-plan-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--t-shadow);
}

.pn-plan-card.is-recommended {
  border: 2px solid var(--t-accent);
  box-shadow: var(--t-shadow);
}

.pn-plan-badge {
  position: absolute;
  top: -13px;
  right: 24px;
  background: var(--t-gradient);
  color: var(--t-btn-text);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--t-radius-pill);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pn-plan-price {
  font-family: var(--t-font-display);
  font-size: clamp(2.1rem, 3vw, 2.85rem);
  font-weight: 800;
  color: var(--t-text);
  line-height: 1;
}

.pn-plan-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.pn-plan-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--t-text-soft);
}

.pn-plan-list li i {
  color: var(--t-accent);
  font-size: 1.05rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* Gateway Marquee */
.pn-marquee {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.pn-marquee-track {
  display: flex;
  gap: 18px;
  width: max-content;
  animation: pnMarquee 32s linear infinite;
}

.pn-marquee:hover .pn-marquee-track {
  animation-play-state: paused;
}

@keyframes pnMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.pn-gateway-pill {
  background: var(--t-surface);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius);
  padding: 14px 24px;
  min-width: 150px;
  height: 68px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: var(--t-shadow-sm);
}

.pn-gateway-pill img {
  max-height: 34px;
  max-width: 115px;
  object-fit: contain;
}

/* Accordion / FAQ */
.pn-faq .accordion-item {
  background: var(--t-surface);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius) !important;
  margin-bottom: 14px;
  overflow: hidden;
}

.pn-faq .accordion-button {
  background: var(--t-surface);
  color: var(--t-text);
  font-family: var(--t-font-display);
  font-weight: 600;
  font-size: 1.02rem;
  padding: 20px 24px;
  box-shadow: none !important;
}

.pn-faq .accordion-button:not(.collapsed) {
  color: var(--t-accent);
  background: var(--t-surface-2);
}

.pn-faq .accordion-body {
  color: var(--t-muted);
  padding: 18px 24px 22px;
  line-height: 1.72;
}

/* Breadcrumb Subpage Hero */
.pn-page-hero {
  padding: 118px 0 64px;
  background: var(--t-bg-alt);
  border-bottom: 1px solid var(--t-border);
}

.pn-breadcrumb {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  font-size: 0.88rem;
  color: var(--t-muted);
}

.pn-breadcrumb a {
  color: var(--t-text-soft);
  text-decoration: none;
}

.pn-breadcrumb a:hover {
  color: var(--t-accent);
}

/* Forms & Auth Split Layout */
.pn-input {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--t-radius-sm);
  border: 1px solid var(--t-border);
  background: var(--t-surface-2);
  color: var(--t-text);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.pn-input:focus {
  outline: none;
  border-color: var(--t-accent);
  background: var(--t-surface);
  box-shadow: 0 0 0 3px var(--t-accent-soft);
}

.pn-auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  background: var(--t-bg);
}

@media (max-width: 991.98px) {
  .pn-auth-shell {
    grid-template-columns: 1fr;
  }
}

.pn-auth-aside {
  background: var(--t-contrast-bg);
  color: var(--t-contrast-text);
  padding: 56px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.pn-auth-aside h1,
.pn-auth-aside h2,
.pn-auth-aside h3,
.pn-auth-aside h4,
.pn-auth-aside h5,
.pn-auth-aside h6 {
  color: var(--t-contrast-text);
}

.pn-auth-main {
  padding: 48px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pn-auth-card {
  width: 100%;
  max-width: 460px;
  background: var(--t-surface);
  border: 1px solid var(--t-border);
  border-radius: var(--t-radius-lg);
  padding: 38px 34px;
  box-shadow: var(--t-shadow);
}

/* Footer */
.pn-footer {
  background: var(--t-contrast-bg);
  color: var(--t-contrast-text);
  padding: 80px 0 36px;
  border-top: 1px solid var(--t-border);
}

.pn-footer h5, .pn-footer h6 {
  color: var(--t-contrast-text);
}

.pn-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pn-footer-links a {
  color: var(--t-contrast-muted);
  text-decoration: none;
  font-size: 0.93rem;
}

.pn-footer-links a:hover {
  color: #FFFFFF;
}

.pn-social-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}

.pn-social-list a {
  width: 38px;
  height: 38px;
  border-radius: var(--t-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--t-contrast-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.pn-social-list a:hover {
  background: var(--t-accent);
  border-color: var(--t-accent);
  color: #FFFFFF;
}

/* Scroll Reveal */
.pn-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.pn-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .pn-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .pn-marquee-track {
    animation: none;
  }
}

/* Cobalt Velocity floating pill navbar & centered cloud frame */
.pn-header-pill-wrap {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1030;
  padding: 0 16px;
  pointer-events: none;
}
.pn-header-pill {
  pointer-events: auto;
  max-width: 1260px;
  margin: 0 auto;
  background: var(--t-header-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--t-border);
  border-radius: 999px;
  padding: 10px 22px;
  box-shadow: var(--t-shadow-sm);
}
.pn-hero-cobalt {
  padding: 152px 0 92px;
  background:
    radial-gradient(760px circle at 50% 0%, rgba(37, 99, 235, 0.14), transparent 65%),
    var(--t-bg);
}
.pn-cloud-frame {
  max-width: 1120px;
  margin: 48px auto 0;
  padding: 16px;
  border-radius: var(--t-radius-lg);
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.12), rgba(14, 165, 233, 0.04));
  border: 1px solid var(--t-border);
  box-shadow: var(--t-shadow);
}
.pn-cloud-frame-inner {
  background: var(--t-surface);
  border-radius: calc(var(--t-radius-lg) - 8px);
  padding: 24px;
  border: 1px solid var(--t-border);
}