:root {
  --primary: #ffba00;
  --primary-deep: #f5a000;
  --bg: #f6f7f9;
  --text: #222;
  --muted: #707070;
  --card: #fff;
  --border: #ececec;
  --success: #e8f7ec;
  --danger: #fdecec;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
button, input, select, textarea { font: inherit; }
a { text-decoration: none; color: inherit; }
.container { width: min(1280px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; box-shadow: 0 2px 12px rgba(0,0,0,.05); }
.topbar { background: var(--primary); }
.topbar-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; }
.brand { font-weight: 700; display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-logo { width: 40px; height: 40px; border-radius: 12px; background: rgba(255,255,255,.45); display: inline-flex; align-items: center; justify-content: center; }
.brand-text { font-size: 21px; }
.mobile-menu-toggle { display: none; border: 1px solid rgba(255,255,255,0.35); border-radius: 18px; padding: 10px 16px; background: rgba(255,255,255,0.15); color: #111; font-weight: 700; cursor: pointer; box-shadow: none; backdrop-filter: blur(10px); }
.mobile-menu-toggle:hover { background: rgba(255,255,255,0.25); }
.mobile-menu-toggle:focus { outline: none; box-shadow: 0 0 0 3px rgba(255,186,0,0.35); }
.searchbar {
  display: flex;
  align-items: center;
  width: 100%;
  flex: 1 1 100%;
  max-width: 760px;
  background: #fff;
  border-radius: 28px;
  padding: 8px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .12);
  border: 1px solid rgba(255, 255, 255, .9);
}
.searchbar input {
  flex: 1 1 auto;
}
.searchbar input {
  flex: 1;
  border: 0;
  padding: 14px 18px;
  outline: none;
  font-size: 15px;
  min-width: 0;
  border-radius: 24px;
  background: #f5f6f9;
}
.searchbar button {
  background: #ff8800;
  border: 0;
  color: #fff;
  border-radius: 22px;
  padding: 14px 24px;
  font-weight: 700;
  min-width: 130px;
  white-space: nowrap;
}
.searchbar button:hover {
  background: #f47f00;
}


.auth-links { display: flex; justify-content: end; gap: 14px; font-weight: 600; }
.menu-wrap { background: #fff7db; border-bottom: 1px solid #f0deb0; }
.menu-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; gap: 20px; position: relative; }
.main-menu { display: flex; flex-wrap: wrap; gap: 14px; font-size: 14px; align-items: center; }
.main-menu a { padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.95); }
.main-menu a:hover, .post-btn:hover { background: #fff0b7; }
.post-btn { background: #fff; border: 1px solid #f1d27a; padding: 10px 16px; border-radius: 999px; font-weight: 700; white-space: nowrap; }
.mobile-menu-toggle {
  display: none;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 18px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.15);
  color: #111;
  font-weight: 700;
  cursor: pointer;
  box-shadow: none;
  backdrop-filter: blur(10px);
}
.mobile-menu-toggle:hover {
  background: rgba(255,255,255,0.25);
}
.mobile-menu-toggle:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255,186,0,0.35);
}
.menu-wrap.active { padding-bottom: 18px; }
.menu-wrap.active .main-menu,
.menu-wrap.active .post-btn {
  display: flex;
}
.menu-wrap.active .main-menu {
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  margin-top: 16px;
}
.menu-wrap.active .main-menu a {
  width: 100%;
}
.menu-wrap.active .mobile-auth-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}
.menu-wrap.active .mobile-auth-links a {
  width: 100%;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,.95);
}
.menu-wrap.active .post-btn {
  width: 100%;
  margin-top: 12px;
}
.main-menu {
  flex-wrap: wrap;
}
.post-btn {
  white-space: nowrap;
}
.searchbar { display: flex; align-items: center; gap: 12px; width: 100%; background: #fff; border-radius: 28px; padding: 10px 14px; box-shadow: 0 18px 40px rgba(0, 0, 0, .12); border: 1px solid rgba(255,255,255,.9); }
.searchbar input { flex: 1; min-width: 0; border: 0; padding: 14px 18px; outline: none; font-size: 15px; border-radius: 24px; background: #f5f6f9; }
.searchbar button { flex: none; min-width: 120px; padding: 14px 20px; border-radius: 22px; }
.auth-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px; font-weight: 600; }
.auth-links a { padding: 10px 12px; border-radius: 999px; background: rgba(255,255,255,.2); }
.main-content { padding: 26px 0 40px; }
.hero { background: linear-gradient(135deg, #ffd54a 0%, #fff2bc 100%); padding: 24px; border-radius: 24px; margin-bottom: 18px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; }
.hero h1 { margin: 0 0 12px; font-size: 34px; }
.hero p { color: #5c4d20; line-height: 1.6; }
.hero .hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 16px; }
.stat-card, .card { background: var(--card); border-radius: 18px; border: 1px solid var(--border); box-shadow: 0 10px 20px rgba(0,0,0,.03); }
.stat-card { padding: 18px; }
.layout-grid { display: grid; grid-template-columns: 310px 1fr; gap: 20px; }
.sidebar .card, .content .card { padding: 18px; margin-bottom: 18px; }
.filter-tag { display: inline-block; padding: 9px 12px; border-radius: 999px; background: #fafafa; border: 1px solid #efefef; margin: 0 8px 8px 0; font-size: 14px; }
.post-list { display: grid; gap: 16px; }
.post-item { display: grid; grid-template-columns: 260px 1fr; gap: 16px; padding: 16px; }
.post-item img { width: 100%; height: 180px; object-fit: cover; border-radius: 18px; }
.post-badge { display: inline-flex; background: #fff0bd; color: #7a5600; padding: 5px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.post-title { font-size: 21px; margin: 8px 0; font-weight: 700; }
.price { color: #c51605; font-size: 24px; font-weight: 700; }
.meta { color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.desc { color: #525252; margin-top: 10px; }
.desc.collapsible .desc-text {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.desc.collapsible.expanded .desc-text {
  display: block;
  -webkit-line-clamp: unset;
}
.desc-toggle {
  display: inline-flex;
  margin-top: 10px;
  background: transparent;
  border: none;
  color: var(--primary-deep);
  font-weight: 700;
  cursor: pointer;
  padding: 0;
}
.desc-toggle:hover {
  text-decoration: underline;
}
.form-card, .dashboard-wrap { background: #fff; border-radius: 24px; border: 1px solid var(--border); padding: 24px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.form-group input, .form-group select, .form-group textarea { border: 1px solid #ddd; border-radius: 14px; padding: 12px 14px; font-size: 14px; background: #fff; }
.form-group textarea { min-height: 120px; resize: vertical; }
.btn { background: var(--primary); border: 0; padding: 12px 18px; border-radius: 12px; font-weight: 700; cursor: pointer; }
.btn.secondary { background: #f3f3f3; }
.btn.danger { background: #d93025; color: #fff; }
.alert { padding: 14px 16px; border-radius: 16px; margin-bottom: 14px; }
.alert-success { background: var(--success); }
.alert-error { background: var(--danger); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px; border-bottom: 1px solid #efefef; text-align: left; font-size: 14px; }
.dashboard-top { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 18px; }
.admin-dashboard { display: grid; grid-template-columns: 280px 1fr; gap: 24px; }
.admin-sidebar { background: #fff; border: 1px solid var(--border); border-radius: 24px; padding: 24px; min-height: calc(100vh - 148px); }
.admin-sidebar-header { margin-bottom: 24px; }
.admin-role { display: inline-flex; padding: 6px 14px; border-radius: 999px; background: #fff4c1; color: #7a5600; font-size: 13px; font-weight: 700; margin-bottom: 12px; }
.admin-sidebar h2 { margin: 0 0 8px; font-size: 24px; }
.admin-sidebar p { margin: 0; color: var(--muted); line-height: 1.6; }
.admin-nav { display: flex; flex-direction: column; gap: 10px; }
.admin-nav a { padding: 14px 16px; border-radius: 16px; color: var(--text); border: 1px solid transparent; font-weight: 600; background: #fafafa; }
.admin-nav a.active { background: var(--primary); color: #222; border-color: rgba(255, 186, 0, .4); }
.admin-main { display: grid; gap: 20px; }
.dashboard-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.dashboard-stats { display: grid; grid-template-columns: repeat(4, minmax(140px, 1fr)); gap: 16px; width: 100%; }
.admin-panel { background: #fff; border: 1px solid var(--border); border-radius: 24px; padding: 28px; }
.admin-card { background: #fff; border: 1px solid var(--border); border-radius: 24px; padding: 24px; }
.site-footer { background: #222; color: #fff; padding: 36px 0; margin-top: 30px; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.section-title { margin: 0 0 14px; font-size: 22px; }
.login-box { max-width: 520px; margin: 0 auto; }
@media (max-width: 1024px) {
  .topbar-inner, .hero, .layout-grid, .post-item, .dashboard-top, .footer-grid, .form-grid { grid-template-columns: 1fr; }
  .topbar-inner { align-items: center; justify-content: space-between; row-gap: 12px; }
  .brand { min-width: 0; }
  .searchbar { order: 2; width: 100%; margin: 0 auto; max-width: 100%; }
  .auth-links { order: 3; width: 100%; justify-content: space-between; flex-wrap: wrap; gap: 10px; display: none; }
  .mobile-menu-toggle { display: inline-flex; order: 1; flex: 0 0 auto; }
  .menu-row { flex-direction: column; align-items: stretch; }
  .main-menu, .post-btn, .mobile-auth-links { display: none; }
  .menu-wrap.active .main-menu,
  .menu-wrap.active .post-btn,
  .menu-wrap.active .mobile-auth-links { display: flex; }
  .menu-wrap.active .main-menu { flex-direction: column; align-items: stretch; gap: 10px; margin-top: 16px; }
  .menu-wrap.active .post-btn { width: 100%; }
  .main-menu { flex-direction: column; align-items: stretch; gap: 10px; }
  .post-btn { width: 100%; }
  .auth-links a { width: auto; }
  .hero { grid-template-columns: 1fr; }
  .hero .hero-stats { grid-template-columns: 1fr; }
  .layout-grid { grid-template-columns: 1fr; }
  .post-item { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .dashboard-top { grid-template-columns: 1fr; }
  .admin-dashboard { grid-template-columns: 1fr; }
  .admin-sidebar { min-height: auto; }
  .dashboard-stats { grid-template-columns: 1fr 1fr; }
  .admin-nav a { width: 100%; }
  .admin-main { width: 100%; }
}

@media (max-width: 680px) {
  .dashboard-stats { grid-template-columns: 1fr; }
  .topbar-inner { padding-bottom: 12px; }
  .searchbar { padding: 8px; gap: 10px; }
  .searchbar input { padding: 12px 14px; }
  .searchbar button { width: auto; min-width: 110px; }
  .main-menu { gap: 10px; }
  .post-btn { width: 100%; }
  .auth-links { gap: 8px; }
  .menu-wrap.active .main-menu, .menu-wrap.active .post-btn { display: flex; }
  .menu-wrap.active .main-menu { flex-direction: column; }
  .menu-wrap.active .main-menu a { width: 100%; }
}