/* C Network Suite — shared site styles */

:root {
  --bg: #0f1420;
  --bg-alt: #161c2c;
  --panel: #1b2333;
  --panel-border: #2a3450;
  --text: #e7ebf5;
  --text-dim: #9aa5bd;
  --accent: #4f8cff;
  --accent-dark: #3468d1;
  --accent-soft: rgba(79, 140, 255, 0.15);
  --success: #3ecf8e;
  --danger: #ff6b6b;
  --radius: 10px;
  --maxw: 1120px;
}

:root[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-alt: #ffffff;
  --panel: #ffffff;
  --panel-border: #dbe1ee;
  --text: #1a2233;
  --text-dim: #5b667d;
  --accent: #2f6fed;
  --accent-dark: #1f52b8;
  --accent-soft: rgba(47, 111, 237, 0.1);
  --success: #1f9d68;
  --danger: #d64545;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background 0.15s, color 0.15s;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code, pre {
  font-family: "Consolas", "SF Mono", Menlo, monospace;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Nav ---------- */

.site-nav {
  border-bottom: 1px solid var(--panel-border);
  background: var(--bg-alt);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  white-space: nowrap;
}

.brand-mark {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  text-decoration: none;
}

.nav-links a.active {
  color: var(--accent);
}

#navAuthLink {
  padding: 7px 16px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent) !important;
}

#navAuthLink:hover {
  background: var(--accent-soft);
}

.nav-logout-form {
  display: inline-flex;
}

button#navAuthLink {
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--accent);
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
}

.lang-toggle:hover {
  border-color: var(--accent);
}

.currency-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
}

.currency-toggle:hover {
  border-color: var(--accent);
}

.nav-toggle {
  display: none;
}

/* ---------- Main layout ---------- */

main {
  flex: 1 0 auto;
}

.page-header {
  padding: 48px 0 28px;
  text-align: center;
}

.page-header h1 {
  font-size: 2rem;
  margin: 0 0 10px;
}

.page-header p {
  color: var(--text-dim);
  max-width: 700px;
  margin: 0 auto;
}

/* ---------- Hero (home) ---------- */

.hero {
  text-align: center;
  padding: 90px 24px 60px;
  background: radial-gradient(circle at 50% -10%, var(--accent-soft), transparent 60%);
}

.hero .eyebrow {
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 0 0 20px;
  line-height: 1.15;
}

.hero p.lead {
  max-width: 720px;
  margin: 0 auto 30px;
  color: var(--text-dim);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
  text-decoration: none;
}

.btn-outline {
  border-color: var(--panel-border);
  color: var(--text);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.btn-block {
  width: 100%;
  text-align: center;
}

/* ---------- Cards / grids ---------- */

.section {
  padding: 50px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 36px;
}

.section-title h2 {
  font-size: 1.7rem;
  margin: 0 0 8px;
}

.section-title p {
  color: var(--text-dim);
  margin: 0;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 900px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.signup-grid {
  grid-template-rows: repeat(5, auto);
  grid-auto-flow: column;
}

@media (max-width: 600px) {
  .signup-grid {
    grid-template-rows: none;
    grid-auto-flow: row;
  }
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 22px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.card .stat {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

/* ---------- Products page ---------- */

.category-block {
  margin-bottom: 40px;
}

.category-block h2 {
  font-size: 1.25rem;
  border-left: 4px solid var(--accent);
  padding-left: 12px;
  margin-bottom: 16px;
}

.module-card h3 {
  font-family: "Consolas", "SF Mono", Menlo, monospace;
  color: var(--accent);
}

.module-card {
  display: flex;
  flex-direction: column;
}

.module-card p {
  flex: 1;
}

.card-doc-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ---------- Pricing ---------- */

.billing-toggle {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin: 10px 0 40px;
}

.billing-toggle span {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.billing-toggle span.active-period {
  color: var(--text);
  font-weight: 700;
}

.switch {
  position: relative;
  width: 52px;
  height: 28px;
  display: inline-block;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch .slider {
  position: absolute;
  inset: 0;
  background: var(--panel-border);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s;
}

.switch .slider::before {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.15s;
}

.switch input:checked + .slider {
  background: var(--accent);
}

.switch input:checked + .slider::before {
  transform: translateX(24px);
}

.save-badge {
  background: var(--success);
  color: #062a1c;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 8px;
}

.plan-card {
  display: flex;
  flex-direction: column;
  padding: 22px 20px;
  position: relative;
}

.plan-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.plan-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.plan-card h3 {
  margin: 0 0 4px;
  font-size: 1.15rem;
}

.plan-card .plan-desc {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: 10px;
}

.plan-price {
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 3px;
}

.plan-price small {
  font-size: 0.95rem;
  color: var(--text-dim);
  font-weight: 500;
}

.plan-price-sub {
  color: var(--text-dim);
  font-size: 0.82rem;
  margin-bottom: 12px;
  min-height: 1em;
}

.plan-module-list {
  width: 100%;
  max-height: 196px;
  overflow-y: auto;
  padding: 6px 10px;
  margin-bottom: 5px;
  background: var(--bg-alt);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
}

.plan-module-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 0.88rem;
  color: var(--text);
  cursor: pointer;
}

.plan-module-option input {
  cursor: pointer;
}

.btn-disabled,
.btn.btn-disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: default;
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
  flex: 1;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.plan-features li {
  padding: 3px 0;
  border-top: 1px solid var(--panel-border);
}

.plan-features li:first-child {
  border-top: none;
}

.plan-features li::before {
  content: "✓ ";
  color: var(--success);
  font-weight: 700;
}

.pricing-note {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 8px;
}

/* ---------- Docs page ---------- */

.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  padding: 40px 0 70px;
  align-items: start;
}

@media (max-width: 800px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }
}

.docs-sidebar {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 16px;
  max-height: 75vh;
  overflow-y: auto;
  position: sticky;
  top: 90px;
}

.docs-sidebar .cat-title {
  color: var(--text-dim);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  font-weight: 700;
  margin: 18px 0 6px;
}

.docs-sidebar .cat-title:first-child {
  margin-top: 0;
}

.docs-sidebar button.module-link {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: "Consolas", "SF Mono", Menlo, monospace;
  font-size: 0.88rem;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
}

.docs-sidebar button.module-link:hover {
  background: var(--accent-soft);
  color: var(--text);
}

.docs-sidebar button.module-link.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.docs-content {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 32px;
  min-height: 400px;
}

.docs-content h2 {
  font-family: "Consolas", "SF Mono", Menlo, monospace;
  color: var(--accent);
  margin-top: 0;
}

.docs-content .docs-category-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.api-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}

.api-list li {
  border-top: 1px solid var(--panel-border);
  padding: 12px 0;
}

.api-list li:first-child {
  border-top: none;
}

.api-list code {
  color: var(--accent);
  font-size: 0.92rem;
}

.api-list .api-desc {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-top: 3px;
}

.api-params {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}

.api-params li {
  border-top: none;
  padding: 2px 0;
  font-size: 0.84rem;
  color: var(--text-dim);
}

.api-params .param-name {
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-weight: 600;
}

.api-returns {
  margin-top: 6px;
  font-size: 0.84rem;
  color: var(--text-dim);
}

.api-returns .returns-label {
  color: var(--text);
  font-weight: 600;
}

.code-sample-title {
  font-size: 0.95rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 26px 0 10px;
}

.code-sample {
  background: var(--bg-alt);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0;
}

.code-sample code {
  color: var(--accent);
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre;
}

/* ---------- Support page ---------- */

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 30px;
}

.tab-btn {
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--text-dim);
  font-weight: 600;
  cursor: pointer;
}

.tab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.post-card {
  margin-bottom: 16px;
}

.post-meta {
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-bottom: 8px;
}

.thread-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.thread-card .thread-meta {
  color: var(--text-dim);
  font-size: 0.8rem;
}

.new-thread-form {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--panel-border);
}

.new-thread-form textarea,
.new-thread-form input[type="text"] {
  width: 100%;
  padding: 10px;
  background: var(--bg-alt);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  color: var(--text);
  font-family: inherit;
  margin-bottom: 10px;
}

.demo-note {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

/* ---------- Downloads ---------- */

.release-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.release-card .release-version {
  font-family: "Consolas", "SF Mono", Menlo, monospace;
  color: var(--accent);
}

.release-card .release-meta {
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-top: 6px;
}

.release-card .platform-tags {
  display: inline-flex;
  gap: 6px;
  margin-left: 8px;
  vertical-align: middle;
}

.platform-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.release-card .btn {
  flex-shrink: 0;
}

/* ---------- Forms / Login ---------- */

.auth-layout {
  max-width: 368px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.auth-layout.signup-active {
  max-width: 708px;
}

.auth-tabs {
  display: flex;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--panel-border);
}

.auth-tab-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-dim);
  font-weight: 600;
  padding: 12px 0;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.auth-tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.auth-form {
  display: none;
  flex-direction: column;
  gap: 14px;
}

.auth-form.active {
  display: flex;
}

.field label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.field input,
.field select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-alt);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-error {
  color: var(--danger);
  font-size: 0.85rem;
  min-height: 1.1em;
}

.session-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}

.session-panel .avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.hint-box {
  background: var(--bg-alt);
  border: 1px dashed var(--panel-border);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 18px;
}

.hint-box code {
  color: var(--accent);
}

/* ---------- Checkout / payment methods ---------- */

.payment-methods {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

@media (max-width: 600px) {
  .payment-methods {
    grid-template-columns: repeat(2, 1fr);
  }
}

.payment-method-option {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 8px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}

.payment-method-option input {
  accent-color: var(--accent);
}

.payment-method-option:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.payment-fields {
  margin-bottom: 18px;
}

/* ---------- Data tables (customer keys / payments) ---------- */

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 32px;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--panel-border);
}

.data-table th {
  color: var(--text-dim);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
}

.data-table td code {
  color: var(--accent);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--panel-border);
  background: var(--bg-alt);
  padding: 30px 0;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-dim);
}

.footer-links a:hover {
  color: var(--text);
}

.footer-license {
  width: 100%;
  text-align: center;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--panel-border);
  font-size: 0.78rem;
}