/* ===== DawaiiX Design System ===== */
:root {
  --blue-dark:  #0d3b6e;
  --blue-mid:   #1a6bb5;
  --blue-light: #e8f3fd;
  --green-mid:  #2aa87a;
  --green-light:#e6f7f1;
  --red:        #dc3545;
  --amber:      #f59e0b;
  --gray-100:   #f3f4f6;
  --gray-200:   #e5e7eb;
  --gray-500:   #6b7280;
  --gray-700:   #374151;
  --shadow:     0 2px 8px rgba(0,0,0,.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--gray-100);
  color: var(--gray-700);
  line-height: 1.5;
}

/* ===== NAVBAR ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 60px;
  padding: 0 5%;
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: .4rem;
}

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: .7rem;
}

.topbar-name { font-weight: 600; color: var(--blue-dark); }

.role-pill {
  font-size: .75rem;
  font-weight: 700;
  border-radius: 20px;
  padding: .2rem .7rem;
  letter-spacing: .03em;
}
.role-customer { background: var(--blue-light); color: var(--blue-dark); }
.role-supplier { background: var(--green-light); color: #0e6b4d; }
.role-admin    { background: #fef3c7; color: #92400e; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  padding: .45rem 1rem;
  font-size: .875rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, opacity .15s;
  white-space: nowrap;
}
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-primary  { background: var(--blue-mid);   color: #fff; }
.btn-primary:hover  { background: #155b9e; }
.btn-success  { background: var(--green-mid);  color: #fff; }
.btn-success:hover  { background: #23916a; }
.btn-danger   { background: var(--red);        color: #fff; }
.btn-danger:hover   { background: #c0392b; }
.btn-outline  { background: transparent; color: var(--blue-mid); border: 1.5px solid var(--blue-mid); }
.btn-outline:hover  { background: var(--blue-light); }
.btn-sm       { padding: .28rem .7rem; font-size: .8rem; border-radius: 6px; }
.btn-lg       { padding: .65rem 1.6rem; font-size: 1rem; }
.btn-block    { width: 100%; }

/* ===== FORMS ===== */
.form-control {
  width: 100%;
  padding: .45rem .7rem;
  font-size: .875rem;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  outline: none;
  transition: border-color .15s;
  background: #fff;
}
.form-control:focus { border-color: var(--blue-mid); }
.form-control-sm { padding: .28rem .5rem; font-size: .8rem; }

.form-group { display: flex; flex-direction: column; gap: .3rem; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--gray-700); }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: .75rem;
  margin-bottom: 1rem;
}

.check-label { display: flex; align-items: center; gap: .5rem; font-size: .88rem; cursor: pointer; margin: .5rem 0; }

/* ===== ALERTS ===== */
.alert {
  padding: .7rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: .875rem;
  font-weight: 500;
  border-left: 3px solid transparent;
}
.alert-ok   { background: var(--green-light); color: #0e6b4d; border-color: var(--green-mid); }
.alert-err  { background: #fde8ea; color: #8b0000; border-color: var(--red); }
.alert-info { background: var(--blue-light); color: var(--blue-dark); border-color: var(--blue-mid); }

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: .15rem .55rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .03em;
}
.badge-green     { background: var(--green-light); color: #0e6b4d; }
.badge-pending   { background: #fff3cd; color: #92400e; }
.badge-countered { background: var(--blue-light); color: var(--blue-dark); }
.badge-accepted  { background: var(--green-light); color: #0e6b4d; }
.badge-rejected  { background: #fde8ea; color: #8b0000; }
.badge-placed    { background: #fff3cd; color: #92400e; }
.badge-fulfilled { background: var(--green-light); color: #0e6b4d; }
.badge-cancelled { background: #f3f4f6; color: var(--gray-500); }
.badge-supplier  { background: var(--green-light); color: #0e6b4d; }
.badge-customer  { background: var(--blue-light); color: var(--blue-dark); }
.badge-admin     { background: #fef3c7; color: #92400e; }

/* ===== LAYOUT ===== */
.portal-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 5%;
}

.tab-bar {
  display: flex;
  gap: .25rem;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.tab-link {
  padding: .5rem 1.1rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--gray-500);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color .15s, border-color .15s;
}
.tab-link:hover { color: var(--blue-mid); }
.tab-link.active { color: var(--blue-mid); border-color: var(--blue-mid); }

.section-title { font-size: 1.1rem; font-weight: 700; color: var(--blue-dark); margin-bottom: 1rem; }
.section-divider { border-top: 1px solid var(--gray-200); margin: 1.5rem 0; }

/* ===== TABLES ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.data-table th {
  background: var(--blue-dark);
  color: #fff;
  padding: .6rem .8rem;
  text-align: left;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .03em;
}
.data-table td {
  padding: .55rem .8rem;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--blue-light); }
.data-table tfoot td { background: var(--gray-100); font-weight: 600; border-top: 2px solid var(--gray-200); }
.r { text-align: right; }

/* ===== ITEMS GRID ===== */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.item-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.1rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.item-name    { font-weight: 700; color: var(--blue-dark); font-size: .95rem; }
.item-company { font-size: .8rem; color: var(--blue-mid); }
.price-row    { display: flex; gap: .6rem; align-items: baseline; margin-top: .3rem; }
.mrp-struck   { text-decoration: line-through; color: var(--gray-500); font-size: .82rem; }
.disc-pct     { font-size: .78rem; background: var(--green-light); color: #0e6b4d; padding: .1rem .4rem; border-radius: 4px; font-weight: 600; }
.net-rate     { font-size: 1.2rem; font-weight: 800; color: var(--green-mid); }
.ptr-row, .pts-row { font-size: .78rem; color: var(--blue-mid); }
.tax-row      { font-size: .78rem; color: var(--gray-500); }
.item-meta    { display: flex; justify-content: space-between; font-size: .78rem; color: var(--gray-500); margin-top: .3rem; }

.buy-form     { margin-top: .7rem; display: flex; flex-direction: column; gap: .4rem; }
.buy-row      { display: flex; gap: .4rem; }
.buy-qty      { width: 70px; }
.buy-bargain  { width: 100%; }
.buy-hint     { font-size: .72rem; color: var(--gray-500); margin-top: .15rem; }
.buy-total    { font-size: .85rem; font-weight: 600; color: var(--green-mid); }

/* ===== NEGOTIATIONS & ORDERS ===== */
.neg-card, .order-card {
  background: #fff;
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.neg-header, .order-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .4rem;
}
.neg-item, .order-item  { font-weight: 700; color: var(--blue-dark); }
.neg-meta, .order-meta  { font-size: .82rem; color: var(--gray-500); margin-bottom: .5rem; }
.neg-date               { font-size: .75rem; color: var(--gray-500); margin-top: .5rem; }
.price-box {
  background: var(--blue-light);
  border-radius: 7px;
  padding: .5rem .8rem;
  font-size: .85rem;
  margin-bottom: .5rem;
}
.counter-box {
  background: #fef3c7;
  border-radius: 7px;
  padding: .5rem .8rem;
  font-size: .85rem;
  color: #92400e;
  margin-bottom: .5rem;
}
.counter-actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.counter-input   { width: 100px; }

.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: .4rem;
  background: var(--gray-100);
  border-radius: 8px;
  padding: .6rem;
  margin-bottom: .6rem;
  font-size: .85rem;
}
.order-actions { display: flex; gap: .5rem; }

/* ===== SEARCH ===== */
.search-bar-form {
  display: flex;
  gap: .5rem;
  margin-bottom: 1rem;
  align-items: flex-start;
}
.search-input { flex: 1; }

.suggest-drop {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  z-index: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,.1);
  max-height: 260px;
  overflow-y: auto;
}
.suggest-row {
  padding: .5rem .8rem;
  cursor: pointer;
  border-bottom: 1px solid var(--gray-100);
}
.suggest-row:last-child { border-bottom: none; }
.suggest-row:hover { background: var(--blue-light); }
.sug-meta { font-size: .75rem; color: var(--gray-500); }

/* ===== FILTERS ===== */
.filter-bar    { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin-bottom: 1rem; }
.filter-select { width: auto; }
.filter-chips  { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; margin-top: .4rem; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: var(--blue-light);
  color: var(--blue-dark);
  border-radius: 20px;
  padding: .18rem .7rem;
  font-size: .78rem;
  font-weight: 600;
}
.chip-x {
  text-decoration: none;
  color: var(--blue-dark);
  font-weight: 900;
  opacity: .7;
}
.chip-x:hover { opacity: 1; }

/* ===== NEGOTIATE FILTERS ===== */
.neg-filters { background: #fff; border-radius: 10px; padding: 1rem; box-shadow: var(--shadow); margin-bottom: 1.5rem; }
.neg-filter-row { display: flex; gap: .6rem; align-items: flex-start; flex-wrap: wrap; margin-bottom: .6rem; }
.neg-ms-wrap { position: relative; }
.neg-ms-drop {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  z-index: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
  max-height: 280px;
  overflow-y: auto;
}
.neg-ms-search { padding: .5rem; border-bottom: 1px solid var(--gray-100); }
.neg-ms-search input { width: 100%; padding: .3rem .5rem; border: 1px solid var(--gray-200); border-radius: 6px; font-size: .83rem; }
.neg-ms-item  { display: flex; align-items: center; gap: .5rem; padding: .35rem .7rem; font-size: .85rem; cursor: pointer; }
.neg-ms-item:hover { background: var(--blue-light); }
.neg-ms-footer { display: flex; gap: .4rem; justify-content: flex-end; padding: .5rem; border-top: 1px solid var(--gray-100); }

/* ===== UPLOAD ===== */
.upload-panel {
  background: #fff;
  border: 2px solid var(--gray-200);
  border-radius: 12px;
  padding: 1.3rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}
.upload-panel h3 { margin-bottom: .6rem; color: var(--blue-dark); }

/* ===== EXECUTE ===== */
.exec-wrap { display: flex; flex-direction: column; gap: 1rem; }
.exec-controls { display: flex; gap: 1rem; flex-wrap: wrap; }
.exec-controls .form-group { flex: 1; min-width: 220px; }
.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--blue-dark);
  color: #fff;
  border-radius: 8px 8px 0 0;
  padding: .6rem 1rem;
  flex-wrap: wrap;
  gap: .5rem;
}
.ec-name:focus { outline: 2px solid var(--blue-mid); }
.empty-msg { color: var(--gray-500); font-size: .88rem; padding: 1rem; text-align: center; }

/* ===== PAGINATION ===== */
.pagination { display: flex; gap: .3rem; flex-wrap: wrap; margin-top: 1rem; }
.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  font-size: .83rem;
  font-weight: 600;
  text-decoration: none;
  background: #fff;
  color: var(--blue-mid);
  border: 1px solid var(--gray-200);
}
.page-link.active { background: var(--blue-mid); color: #fff; border-color: var(--blue-mid); }
.page-link:hover:not(.active) { background: var(--blue-light); }

/* ===== AUTH PAGES ===== */
.auth-page { background: linear-gradient(135deg, var(--blue-light) 0%, var(--green-light) 100%); min-height: 100vh; }
.auth-wrap  { display: flex; align-items: center; justify-content: center; min-height: calc(100vh - 60px); padding: 2rem; }
.auth-card  {
  background: #fff;
  border-radius: 14px;
  padding: 2.2rem;
  width: min(420px, 100%);
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
}
.auth-card h2 { font-size: 1.5rem; color: var(--blue-dark); margin-bottom: 1.2rem; }
.auth-switch  { margin-top: 1rem; text-align: center; font-size: .88rem; }

.role-toggle { display: flex; gap: .3rem; background: var(--gray-100); border-radius: 8px; padding: .2rem; margin-bottom: 1.2rem; }
.role-opt    { flex: 1; }
.role-opt input[type=radio] { display: none; }
.role-opt span {
  display: block;
  text-align: center;
  padding: .45rem .6rem;
  border-radius: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.role-opt input:checked + span { background: #fff; color: var(--blue-mid); box-shadow: var(--shadow); }

/* ===== LANDING PAGE ===== */
.landing { background: #fff; }
.hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, #1a3a6e 100%);
  color: #fff;
  padding: 5rem 5%;
  text-align: center;
}
.hero-inner { max-width: 700px; margin: 0 auto; }
.hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; line-height: 1.2; }
.hero-sub { font-size: 1.1rem; opacity: .88; margin-bottom: 2rem; }
.hero-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
  padding: 4rem 5%;
}
.feature-card { text-align: center; padding: 1.8rem 1rem; }
.feature-icon { font-size: 2.5rem; margin-bottom: .8rem; }
.feature-card h3 { color: var(--blue-dark); margin-bottom: .5rem; }
.feature-card p { color: var(--gray-500); font-size: .9rem; }

.landing-footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--gray-500);
  font-size: .85rem;
  border-top: 1px solid var(--gray-200);
}
.landing-footer a { color: var(--blue-mid); text-decoration: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .topbar { padding: 0 1rem; }
  .portal-wrap { padding: 1rem; }
  .hero h1 { font-size: 1.8rem; }
  .data-table { font-size: .78rem; }
  .data-table th, .data-table td { padding: .4rem .5rem; }
  .exec-controls { flex-direction: column; }
}