@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #f7f7f8;
  --panel: #ffffff;
  --text: #18181b;
  --muted: #71717a;
  --border: #e7e5e4;
  --primary: #e11d2e;
  --primary-dark: #b8121f;
  --primary-soft: #fde8ea;
  --pos: #15803d;
  --neg: #b91c1c;
  --warn: #b45309;
  --shadow: rgba(20,20,20,.05);
  --radius: 10px;
}
html[data-theme="dark"] {
  --bg: #121214;
  --panel: #1c1c1f;
  --text: #f2f2f3;
  --muted: #9a9aa1;
  --border: #2c2c30;
  --primary: #ef4444;
  --primary-dark: #ff6b6b;
  --primary-soft: #321518;
  --pos: #4ade80;
  --neg: #f87171;
  --warn: #fbbf24;
  --shadow: rgba(0,0,0,.45);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg); color: var(--text); margin: 0; padding: 0 0 60px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.navbar {
  background: var(--panel); border-bottom: 1px solid var(--border);
  padding: 14px 24px; display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px; margin-bottom: 24px; position: sticky; top: 0; z-index: 10;
}
.navbar .brand { font-weight: 800; font-size: 17px; letter-spacing: -.3px; }
.navbar .brand .dot { color: var(--primary); }
.navbar .nav-links { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.navbar .nav-links a {
  font-size: 13px; color: var(--muted); padding: 8px 13px; border-radius: 7px; font-weight: 500;
}
.navbar .nav-links a.active { background: var(--primary); color: #fff; }
.navbar .nav-links a:hover:not(.active) { background: var(--primary-soft); color: var(--primary); text-decoration: none; }
.icon-btn {
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  border-radius: 7px; padding: 8px 13px; font-size: 13px; cursor: pointer; font-family: inherit;
  min-height: 38px;
}
.icon-btn:hover { border-color: var(--primary); }

.container { max-width: 1320px; margin: 0 auto; padding: 0 20px; }
.sub { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
h1 { font-size: 21px; margin: 0 0 4px; font-weight: 700; letter-spacing: -.3px; }
h2 { font-size: 15px; margin: 0 0 14px; font-weight: 600; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 24px; }
@media (max-width: 1100px) { .cards { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .cards { grid-template-columns: repeat(2, 1fr); } }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 17px; box-shadow: 0 1px 3px var(--shadow); }
.card .label { font-size: 11px; color: var(--muted); margin-bottom: 7px; text-transform: uppercase; letter-spacing: .4px; font-weight: 600; }
.card .value { font-size: 23px; font-weight: 700; letter-spacing: -.3px; }
.card.positive .value { color: var(--pos); }
.card.negative .value { color: var(--neg); }
.card.warn .value { color: var(--warn); }
.card.accent { border-color: var(--primary); }
.card.accent .value { color: var(--primary); }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 22px; box-shadow: 0 1px 3px var(--shadow); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 10px; text-align: right; border-bottom: 1px solid var(--border); }
th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); font-weight: 600; font-size: 11px; position: sticky; top: 0; background: var(--panel); cursor: pointer; text-transform: uppercase; letter-spacing: .3px; }
th:hover { color: var(--primary); }
tbody tr:hover { background: var(--primary-soft); }
.table-wrap { max-height: 560px; overflow: auto; -webkit-overflow-scrolling: touch; }

.product-cell { display: flex; align-items: center; gap: 12px; text-align: left; color: var(--text); }
.product-cell:hover { color: var(--primary); }
.product-cell img { width: 56px; height: 56px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); flex-shrink: 0; }
.product-cell .name { font-weight: 500; line-height: 1.35; white-space: normal; word-break: break-word; }
.product-table th, .product-table td { white-space: nowrap; }
.product-table th:first-child, .product-table td:first-child { white-space: normal; }
.product-table td:not(:first-child), .product-table th:not(:first-child) { width: 1%; }
.product-table.nowrap-all th:first-child, .product-table.nowrap-all td:first-child { white-space: nowrap; width: 1%; }
.product-table.wrap-last th:last-child, .product-table.wrap-last td:last-child { white-space: normal; width: auto; word-break: break-word; }
.product-table .wrap-cell { white-space: normal !important; width: auto !important; word-break: break-word; }

.product-cell img.zoomable, .zoomable-img { cursor: zoom-in; transition: transform .15s ease; }
.product-cell img.zoomable:hover, .zoomable-img:hover { transform: scale(1.08); }

.img-zoom-overlay {
  position: fixed; inset: 0; background: rgba(15, 15, 20, .82); display: none;
  align-items: center; justify-content: center; z-index: 1000; cursor: zoom-out; padding: 24px;
}
.img-zoom-overlay.open { display: flex; }
.img-zoom-overlay img {
  max-width: min(90vw, 720px); max-height: 88vh; border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5); cursor: default;
}
.product-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 1100px) { .product-grid { grid-template-columns: 1fr 1fr; } }

.status { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.status.odendi, .status.ok { background: #dcfce7; color: var(--pos); }
.status.planlandi, .status.warn { background: #fef3c7; color: var(--warn); }
.status.beklemede, .status.bad { background: #fee2e2; color: var(--neg); }
html[data-theme="dark"] .status.odendi { background: #14301f; }
html[data-theme="dark"] .status.planlandi { background: #3a2a0a; }
html[data-theme="dark"] .status.beklemede { background: #3a1414; }

.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tabs button {
  background: var(--panel); border: 1px solid var(--border); color: var(--muted);
  padding: 9px 16px; border-radius: 7px; font-size: 13px; cursor: pointer; min-height: 40px;
}
.tabs button.active { background: var(--primary); color: #fff; border-color: var(--primary); }

input[type="text"], input[type="date"], input[type="number"], select {
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  border-radius: 7px; padding: 9px 11px; font-size: 13px; font-family: inherit; min-height: 38px;
}
input:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }

button:not(.tabs button):not(.icon-btn) {
  background: var(--primary); color: #fff; border: none; border-radius: 7px;
  padding: 10px 18px; font-size: 13px; cursor: pointer; font-weight: 600; min-height: 40px;
}
button:not(.tabs button):not(.icon-btn):hover { background: var(--primary-dark); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.secondary { background: var(--panel); color: var(--text); border: 1px solid var(--border); }
button.secondary:hover { background: var(--primary-soft); color: var(--primary); border-color: var(--primary); }

.loading { text-align: center; padding: 60px; color: var(--muted); }
.empty { color: var(--muted); padding: 30px; text-align: center; }
.neg { color: var(--neg); }
.pos { color: var(--pos); }
.back-link { font-size: 13px; margin-bottom: 16px; display: inline-block; }
.form-row { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.form-row label { font-size: 13px; color: var(--muted); min-width: 160px; }
.invoice-group {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 14px; box-shadow: 0 1px 3px var(--shadow); overflow: hidden;
}
.invoice-group summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; gap: 10px;
  padding: 16px 18px; font-weight: 600; font-size: 14px;
}
.invoice-group summary::-webkit-details-marker { display: none; }
.invoice-group .chevron {
  width: 9px; height: 9px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg); transition: transform .15s ease; flex-shrink: 0;
}
.invoice-group[open] .chevron { transform: rotate(45deg); }
.invoice-group .month-name { text-transform: capitalize; }
.invoice-group .count-badge {
  background: var(--primary-soft); color: var(--primary); font-size: 11px; font-weight: 700;
  padding: 3px 10px; border-radius: 20px;
}
.invoice-group .zip-btn { margin-left: auto; }
.invoice-group .table-wrap { border-top: 1px solid var(--border); }
@media (max-width: 640px) {
  .invoice-group summary { flex-wrap: wrap; }
  .invoice-group .zip-btn { margin-left: 0; width: 100%; }
}

.pieceSelect { padding: 7px 10px; border-radius: 7px; border: 1px solid var(--border); background: var(--panel); color: var(--text); font-size: 13px; font-weight: 600; cursor: pointer; min-height: 36px; }
.muted-dash { color: var(--border); }

.cost-banner { padding: 14px 18px; font-size: 13px; font-weight: 600; }
.cost-banner.warn { background: #fef3c7; color: #92400e; border-color: #fde68a; }
.cost-banner.ok { background: #dcfce7; color: var(--pos); border-color: #bbf7d0; }
html[data-theme="dark"] .cost-banner.warn { background: #3a2a0a; color: #fcd34d; border-color: #5a4012; }
html[data-theme="dark"] .cost-banner.ok { background: #14301f; border-color: #1f4a30; }

.cost-missing-row td:first-child { border-left: 3px solid var(--warn); }
.missing-badge {
  display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 20px;
  background: #fef3c7; color: #92400e; font-size: 10px; font-weight: 700; letter-spacing: .2px;
  vertical-align: middle; white-space: nowrap;
}
html[data-theme="dark"] .missing-badge { background: #3a2a0a; color: #fcd34d; }

.variant-badge {
  display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 20px;
  background: var(--primary-soft); color: var(--primary); font-size: 10px; font-weight: 700;
  letter-spacing: .2px; vertical-align: middle; white-space: nowrap;
}

.campaign-pct-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 12px 0 16px; }
.pct-check { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; cursor: pointer; }
.pct-check input { cursor: pointer; }

/* ---------- Fiyat Simülatörü ---------- */
.sim-layout { display: grid; grid-template-columns: 400px 1fr; gap: 20px; align-items: start; }
.sim-form { position: sticky; top: 20px; }
.sim-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.sim-grid .form-row.col { flex-direction: column; align-items: stretch; gap: 6px; margin-bottom: 0; }
.sim-grid .form-row.col label { min-width: 0; font-size: 13px; white-space: nowrap; }
.sim-grid .form-row.col input { width: 100%; }

.hero-result {
  text-align: center; padding: 28px 20px; background: linear-gradient(135deg, var(--primary), #b8121f);
  color: #fff; border: none;
}
.hero-result.negative { background: linear-gradient(135deg, #6b1620, #3a0d12); }
.hero-label { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; opacity: .85; font-weight: 600; }
.hero-value { font-size: 42px; font-weight: 800; letter-spacing: -1px; margin: 6px 0; }
.hero-sub { font-size: 13px; opacity: .9; }
.sim-cards { margin-top: 16px; margin-bottom: 0; grid-template-columns: repeat(4, 1fr); }

.profit-bar-track { background: var(--bg); border-radius: 6px; height: 10px; overflow: hidden; min-width: 100px; }
.profit-bar { height: 100%; border-radius: 6px; transition: width .3s ease; }
.profit-bar.pos-bar { background: var(--pos); }
.profit-bar.neg-bar { background: var(--neg); }

@media (max-width: 1000px) {
  .sim-layout { grid-template-columns: 1fr; }
  .sim-form { position: static; }
  .sim-cards { grid-template-columns: repeat(2, 1fr); }
}

.nav-toggle { display: none; }

/* ---------- Mobil uyumluluk ---------- */
@media (max-width: 760px) {
  .container { padding: 0 14px; }
  .navbar { padding: 10px 14px; }
  .navbar .brand { font-size: 15px; }
  .nav-toggle { display: inline-flex; }
  .navbar .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0; z-index: 20;
    background: var(--panel); border-bottom: 1px solid var(--border); box-shadow: 0 8px 20px var(--shadow);
    flex-direction: column; align-items: stretch; padding: 8px; gap: 2px;
  }
  .navbar .nav-links.open { display: flex; }
  .nav-links a, .nav-links .icon-btn { width: 100%; text-align: left; padding: 11px 12px; }
  .navbar .nav-links a, .icon-btn { padding: 9px 11px; font-size: 12.5px; }
  h1 { font-size: 18px; }
  .cards { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .card { padding: 12px; }
  .card .value { font-size: 18px; }
  table { font-size: 12px; }
  th, td { padding: 8px 6px; }
  .product-cell .name { max-width: 120px; }
  .form-row label { min-width: 100%; }
  input[type="text"], input[type="date"], input[type="number"], select, button:not(.icon-btn) { width: 100%; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar > * { width: 100%; }
}