:root {
  --page: #ffffff;
  --card: #ffffff;
  --ink: #1a2b3a;
  --muted: #5b6b7a;
  --brand: #0d6efd;
  --brand-dark: #0a58ca;
  --green: #1b8a3d;
  --green-dark: #156f31;
  --amber: #b45309;
  --warn: #fff4e5;
  --line: #d7dee5;
  --radius: 18px;

  --field-bg: #ffffff;
  --soft-bg: #eef3f8;
  --soft-blue: #f2f8ff;
  --soft-green: #f1faf3;
  --soft-green-line: #d3ecd9;
  --success-bg: #e3f5e9;
  --error-bg: #fde8e8;
  --error-ink: #9b1c1c;
  --chat-scroll-bg: #f8fafc;
  --chat-project-bg: #dbeafe;
  --chat-project-line: #bfdbfe;

  --topbar-bg: #9e9e9e;
  --topbar-line: #555555;
  --topbar-fg: #1a2b3a;
  --nav-line: rgba(0, 0, 0, 0.35);
  --nav-hover: rgba(0, 0, 0, 0.08);

  --card-shadow: 0 2px 10px rgba(20, 40, 60, 0.06);
  --input-focus: #cfe3ff;
}

[data-theme="dark"] {
  --page: #14181f;
  --card: #1f2630;
  --ink: #e8edf3;
  --muted: #9aa8b8;
  --brand: #3d8bfd;
  --brand-dark: #6aa8ff;
  --green: #3fa863;
  --green-dark: #5cc383;
  --amber: #e0a458;
  --warn: #3a301a;
  --line: #37414d;
  --radius: 18px;

  --field-bg: #171c24;
  --soft-bg: #2a333f;
  --soft-blue: #25324a;
  --soft-green: #1f3529;
  --soft-green-line: #2b4a3a;
  --success-bg: #1e3a2a;
  --error-bg: #472528;
  --error-ink: #f0a4a4;
  --chat-scroll-bg: #161b22;
  --chat-project-bg: #1f3a5f;
  --chat-project-line: #2f5385;

  --topbar-bg: #232a34;
  --topbar-line: #000000;
  --topbar-fg: #e8edf3;
  --nav-line: rgba(255, 255, 255, 0.35);
  --nav-hover: rgba(255, 255, 255, 0.08);

  --card-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
  --input-focus: #1f3a5f;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 20px;
  color-scheme: light;
}

html[data-theme="dark"] {
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--page);
  transition: color 0.15s ease, background-color 0.15s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body > main {
  flex: 1 0 auto;
  width: 100%;
  min-width: 0;
}

.site-footer {
  margin-top: 2rem;
  border-top: 3px solid var(--topbar-line);
  background: var(--topbar-bg);
  color: var(--topbar-fg);
  padding: 1rem 0;
  flex-shrink: 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.75rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem 1.25rem;
  font-weight: 700;
}

.footer-links a {
  color: var(--topbar-fg);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem;
}

main.container:has(.admin-wrap) {
  max-width: 1680px;
}

.admin-wrap {
  width: 100%;
}

.topbar {
  background: var(--topbar-bg);
  color: var(--topbar-fg);
  padding: 0.9rem 0;
  border-bottom: 3px solid var(--topbar-line);
}

.topbar .container {
  display: block;
}

.topbar-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--topbar-fg);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.topnav {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  border-bottom: 3px solid var(--topbar-line);
  padding-bottom: 0;
  margin-bottom: 0;
}

.topnav a,
.topnav button {
  color: var(--topbar-fg);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  padding: 0.45rem 0.9rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  opacity: 0.85;
}

.topnav a:hover,
.topnav button:hover {
  background: var(--nav-hover);
  opacity: 1;
  border-radius: 8px 8px 0 0;
}

.topnav a.active,
.topnav .active,
.topnav button:active {
  opacity: 1;
  background: var(--nav-hover);
  border-bottom-color: var(--brand);
  border-radius: 8px 8px 0 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
}

.card + .card {
  margin-top: 1.25rem;
}

h1 {
  font-size: 2.1rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
}

h3 {
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
}

p {
  margin: 0 0 1rem;
}

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

.center {
  text-align: center;
}

.big-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.action-tile {
  display: block;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.25rem;
  text-align: center;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.1s ease, border-color 0.1s ease;
}

.action-tile:hover {
  transform: translateY(-3px);
  border-color: var(--brand);
}

.action-tile.customer {
  border-color: var(--input-focus);
  background: var(--soft-blue);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  text-align: center;
}

.feature .icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 0.5rem;
}

.feature h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.reason-chip {
  background: var(--soft-blue);
  border-radius: 999px;
  padding: 0.65rem 1rem;
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.mkt-step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
}

.mkt-step .num {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  border-radius: 50%;
  width: 2.1rem;
  height: 2.1rem;
  line-height: 2.1rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.action-tile.tech {
  border-color: var(--soft-green-line);
  background: var(--soft-green);
}

.action-tile .icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

.action-tile .tile-title {
  font-size: 1.45rem;
  font-weight: 800;
  display: block;
  margin-bottom: 0.25rem;
}

.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.9rem 2rem;
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.1s ease;
}

.btn:hover {
  background: var(--brand-dark);
}

.btn-lg {
  font-size: 1.35rem;
  padding: 1.1rem 2.4rem;
}

.btn-green {
  background: var(--green);
}

.btn-green:hover {
  background: var(--green-dark);
}

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

.form-group {
  margin-bottom: 1.4rem;
}

label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="search"],
select,
textarea {
  width: 100%;
  font-size: 1.1rem;
  padding: 0.8rem 1rem;
  border: 2px solid var(--line);
  border-radius: 12px;
  background: var(--field-bg);
  color: var(--ink);
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid var(--input-focus);
  border-color: var(--brand);
}

textarea {
  min-height: 7rem;
}

.role-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 0.5rem 0 1.5rem;
}

.role-card {
  border: 3px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  cursor: pointer;
  background: var(--card);
  text-align: center;
}

.role-card input {
  display: none;
}

.role-card:has(input:checked) {
  border-color: var(--brand);
  background: var(--soft-blue);
}

.role-card .icon {
  font-size: 2rem;
  display: block;
}

.role-card .role-title {
  display: block;
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0.25rem 0;
}

.role-card small {
  color: var(--muted);
}

.status {
  display: inline-block;
  padding: 0.3rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
}

.status-open {
  background: var(--soft-bg);
  color: var(--muted);
}

.status-claimed {
  background: var(--warn);
  color: var(--amber);
}

.status-complete {
  background: var(--success-bg);
  color: var(--green);
}

.req-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.req-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  background: var(--card);
}

.req-item .req-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.req-item .req-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0;
}

.req-meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.req-desc {
  margin: 0.75rem 0 1rem;
}

.empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
}

.alert {
  border-radius: 14px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.alert-success {
  background: var(--success-bg);
  color: var(--green);
}

.alert-info {
  background: var(--soft-blue);
  color: var(--ink);
  border: 1px solid var(--input-focus);
}

.alert-danger {
  background: var(--error-bg, #fdecea);
  color: var(--error, #b42318);
}

.paid-notice strong {
  color: var(--brand-dark);
}

.ack-box {
  background: var(--soft-green);
  border: 1px solid var(--soft-green-line);
  border-radius: 12px;
  padding: 1rem;
}

.payment-box {
  border: 2px solid var(--brand);
}

.errors {
  background: var(--error-bg);
  color: var(--error-ink);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.hero {
  background: var(--card);
  color: var(--ink);
  border-radius: 22px;
  padding: 2.5rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.4rem;
}

.contact-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.cat-badge {
  display: inline-block;
  background: var(--soft-bg);
  color: var(--brand-dark);
  border-radius: 999px;
  padding: 0.15rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 700;
  margin-right: 0.4rem;
}

.chat {
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.chat-scroll {
  max-height: 16rem;
  overflow-y: auto;
  padding: 0.9rem;
  background: var(--chat-scroll-bg);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.chat-msg {
  max-width: 80%;
  align-self: flex-start;
}

.chat-msg-mine {
  align-self: flex-end;
}

.chat-bubble {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.55rem 0.85rem;
  font-size: 1rem;
}

.chat-msg-mine .chat-bubble {
  background: var(--chat-project-bg);
  border-color: var(--chat-project-line);
}

.chat-msg-meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.chat-form {
  padding: 0.75rem;
  background: var(--card);
  border-top: 1px solid var(--line);
}

.flag-box {
  margin-top: 0.6rem;
}

.flag-toggle {
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--muted);
}

.flag-toggle:hover {
  color: var(--brand-dark);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--line);
}

.admin-table th {
  font-weight: 800;
  color: var(--muted);
}

.admin-nav {
  margin: 0 0 1.5rem;
}

.admin-nav-toggle {
  display: none;
}

.admin-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0;
  border-bottom: 3px solid var(--line);
  padding-bottom: 0.75rem;
}

.admin-tabs a {
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--muted);
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
}

.admin-tabs a:hover {
  color: var(--brand-dark);
  background: var(--soft-blue);
}

.admin-tabs a.active {
  color: #fff;
  background: var(--brand);
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.admin-stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.admin-stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--brand-dark);
  line-height: 1.1;
}

.admin-stat-label {
  color: var(--muted);
  font-weight: 700;
  margin-top: 0.25rem;
}

.admin-stat-warn .admin-stat-num {
  color: var(--amber);
}

.admin-wrap > h1:first-child {
  margin-top: 0;
}

.edit-panel {
  background: var(--soft-blue);
  border: 2px dashed var(--brand);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.admin-search {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.admin-search input[type="search"] {
  flex: 1;
  min-width: 200px;
}

.admin-search .btn {
  padding: 0.55rem 1.2rem;
  font-size: 1rem;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1.25rem 0 0;
  flex-wrap: wrap;
}

.pager-link {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  border-radius: 999px;
  padding: 0.55rem 1.4rem;
  font-weight: 700;
  text-decoration: none;
}

.pager-link:hover {
  background: var(--brand-dark);
}

.pager-link.disabled {
  background: var(--line);
  color: var(--muted);
  pointer-events: none;
}

.pager-info {
  color: var(--muted);
  font-weight: 700;
}

.divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-weight: 700;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  box-sizing: border-box;
}

.overlay.open {
  display: flex;
}

.overlay-panel {
  background: var(--card);
  color: var(--ink);
  width: 100%;
  height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 1.5rem;
  box-sizing: border-box;
}

.overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.overlay-header h2 {
  margin: 0;
}

.overlay-body {
  line-height: 1.6;
}

.overlay-close {
  border: none;
  background: var(--muted);
  color: #fff;
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 640px) {
  html {
    font-size: 17px;
  }

  .big-actions,
  .role-cards,
  .contact-row {
    grid-template-columns: 1fr;
  }

  /* Control-panel nav becomes a pull-down menu on small screens. */
  .admin-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: var(--card);
    border: 2px solid var(--line);
    border-radius: 12px;
    padding: 0.75rem 1.1rem;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--ink);
    cursor: pointer;
  }

  .admin-nav-caret {
    transition: transform 0.15s ease;
  }

  .admin-nav.open .admin-nav-caret {
    transform: rotate(180deg);
  }

  .admin-nav .admin-tabs {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    margin: 0.5rem 0 0;
    border: 2px solid var(--line);
    border-bottom: none;
    border-radius: 12px;
    padding: 0.5rem;
    background: var(--card);
  }

  .admin-nav.open .admin-tabs {
    display: flex;
  }

  .admin-nav .admin-tabs a {
    white-space: nowrap;
    padding: 0.65rem 1rem;
    border-radius: 10px;
    font-size: 1rem;
    color: var(--muted);
    background: transparent;
  }

  .admin-nav .admin-tabs a.active {
    color: #fff;
    background: var(--brand);
  }

  .admin-nav .admin-tabs a:hover {
    color: var(--brand-dark);
    background: var(--soft-blue);
  }

  /* Links already flow centered under the brand; keep them wrapping on small screens. */
  .topnav form {
    display: inline;
  }
}

/* Floating live-chat widget */
.chat-widget-toggle {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1000;
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 50%;
  border: none;
  background: var(--brand);
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.28);
  cursor: pointer;
}

.chat-widget {
  position: fixed;
  right: 1.25rem;
  bottom: 5.6rem;
  z-index: 999;
  width: min(94vw, 520px);
  max-height: 80vh;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.chat-widget[hidden] {
  display: none;
}

.chat-widget-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.chat-widget-close {
  border: none;
  background: none;
  cursor: pointer;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--muted);
}

.chat-widget .chat {
  margin-top: 0;
  border: none;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.chat-widget .chat-scroll {
  max-height: 60vh;
}

.chat-widget .chat-bubble {
  font-size: 1.1rem;
  padding: 0.7rem 1rem;
}

.chat-widget .chat-msg-meta {
  font-size: 0.9rem;
}