:root {
  --bg: #f3f5f8;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e5e9f0;
  --accent: #0f766e;
  --accent-soft: #ccfbf1;
  --green: #15803d;
  --green-soft: #dcfce7;
  --red: #b91c1c;
  --red-soft: #fee2e2;
  --amber: #b45309;
  --amber-soft: #fef3c7;
  --blue: #1d4ed8;
  --blue-soft: #dbeafe;
  --sidebar-bg: #0f172a;
  --sidebar-text: #cbd5e1;
  --sidebar-active: #14b8a6;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 10px 24px -18px rgba(15, 23, 42, .35);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

[data-theme="dark"] {
  --bg: #0a1120;
  --surface: #111b2e;
  --surface-2: #0d1626;
  --text: #e6edf7;
  --muted: #93a3b8;
  --border: #1e2b42;
  --accent: #2dd4bf;
  --accent-soft: #0f3d3a;
  --green: #4ade80;
  --green-soft: #0f3323;
  --red: #f87171;
  --red-soft: #3b1414;
  --amber: #fbbf24;
  --amber-soft: #3a2a08;
  --blue: #93c5fd;
  --blue-soft: #122440;
  --sidebar-bg: #070d18;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 28px -20px rgba(0,0,0,.8);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 1.25rem; }
h2 { font-size: 1.05rem; }
h3 { font-size: .95rem; }
p { margin: 0 0 .6rem; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.tiny { font-size: .75rem; }
.right { text-align: right; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.mono { font-variant-numeric: tabular-nums; }

/* ---------- düzen ---------- */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 250px;
  flex: 0 0 250px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 50;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px 20px 18px;
  color: #fff;
}
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, #14b8a6, #0f766e);
  display: grid; place-items: center; font-weight: 800; color: #04201d;
  font-size: 15px;
}
.brand-name { font-weight: 700; font-size: .98rem; letter-spacing: -.01em; }
.brand-sub { font-size: .7rem; color: #7d8ba1; letter-spacing: .08em; text-transform: uppercase; }

.nav { padding: 6px 10px 20px; overflow-y: auto; flex: 1; }
.nav-group-label {
  font-size: .68rem; text-transform: uppercase; letter-spacing: .09em;
  color: #64748b; padding: 14px 12px 6px;
}
.nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; border-radius: 10px; margin-bottom: 2px;
  color: var(--sidebar-text); font-size: .89rem; font-weight: 500;
  transition: background .12s ease, color .12s ease;
}
.nav a svg { width: 17px; height: 17px; stroke: currentColor; fill: none; stroke-width: 1.7; opacity: .85; }
.nav a:hover { background: rgba(148, 163, 184, .1); color: #fff; }
.nav a.active { background: rgba(20, 184, 166, .16); color: #5eead4; }
.nav a.active svg { opacity: 1; }
.sidebar-foot { padding: 14px 20px 20px; font-size: .72rem; color: #64748b; border-top: 1px solid rgba(148,163,184,.12); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex; align-items: center; gap: 14px;
}
.topbar .page-title { font-weight: 650; font-size: 1rem; }
.topbar .page-title span { color: var(--muted); font-weight: 450; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.user-chip { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--muted); }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-weight: 700; font-size: .78rem; }

.content { padding: 22px 24px 90px; max-width: 1320px; width: 100%; }
.page-head { display: flex; align-items: flex-start; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head .grow { flex: 1; min-width: 220px; }
.page-head h1 { font-size: 1.35rem; }
.page-head p { color: var(--muted); font-size: .87rem; margin: 3px 0 0; }
.head-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- kartlar ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.card-head h2 { font-size: .95rem; }
.card-head .muted { margin-left: auto; font-size: .78rem; }

.grid { display: grid; gap: 14px; }
.grid.kpi { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: 1.6fr 1fr; }
.grid.main-3 { grid-template-columns: 2fr 1fr; }

.kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.kpi .kpi-label { font-size: .78rem; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.kpi .kpi-value { font-size: 1.5rem; font-weight: 700; margin: 6px 0 2px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpi .kpi-sub { font-size: .76rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.kpi.accent { background: linear-gradient(135deg, var(--accent), #115e59); border-color: transparent; color: #f0fdfa; }
.kpi.accent .kpi-label, .kpi.accent .kpi-sub { color: #99f6e4; }
.kpi .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; opacity: .7; }
.pos { color: var(--green); }
.neg { color: var(--red); }

/* ---------- tablo ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -4px; }
table { width: 100%; border-collapse: collapse; font-size: .86rem; }
th {
  text-align: left; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--border);
  background: var(--surface-2); white-space: nowrap;
}
td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td .sub { display: block; font-size: .74rem; color: var(--muted); margin-top: 2px; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }

/* ---------- rozet / buton / form ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .72rem; font-weight: 600; padding: 3px 9px; border-radius: 99px;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border);
  white-space: nowrap;
}
.badge-green { background: var(--green-soft); color: var(--green); border-color: transparent; }
.badge-red { background: var(--red-soft); color: var(--red); border-color: transparent; }
.badge-amber { background: var(--amber-soft); color: var(--amber); border-color: transparent; }
.badge-blue { background: var(--blue-soft); color: var(--blue); border-color: transparent; }
.badge-gray { background: var(--surface-2); color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  padding: 8px 14px; border-radius: 10px; font-size: .85rem; font-weight: 600;
  cursor: pointer; font-family: inherit; white-space: nowrap;
  transition: background .12s ease, border-color .12s ease, transform .06s ease;
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.06); background: var(--accent); }
.btn-danger { color: var(--red); border-color: color-mix(in srgb, var(--red) 35%, var(--border)); }
.btn-danger:hover { background: var(--red-soft); }
.btn-sm { padding: 5px 10px; font-size: .78rem; border-radius: 8px; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-icon { padding: 8px; width: 34px; height: 34px; }

label.field { display: block; margin-bottom: 12px; }
label.field > span.lbl { display: block; font-size: .78rem; font-weight: 600; color: var(--muted); margin-bottom: 5px; }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=month], input[type=search], select, textarea {
  width: 100%; padding: 9px 11px; font-size: .88rem; font-family: inherit;
  color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; outline: none;
  transition: border-color .12s ease, box-shadow .12s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}
textarea { min-height: 84px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 14px; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 8px; align-items: center; margin-top: 4px; flex-wrap: wrap; }
.hint { font-size: .74rem; color: var(--muted); margin-top: 4px; }
.inline-form { display: inline; }
.amount-row { display: flex; gap: 8px; }
.amount-row input { flex: 1; }
.amount-row select { width: 96px; flex: 0 0 96px; }

.filter-bar {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 14px; margin-bottom: 16px; box-shadow: var(--shadow);
}
.filter-bar .field { margin: 0; min-width: 120px; }
.filter-bar .field.grow { flex: 1; }
.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; gap: 2px; }
.seg a { padding: 5px 11px; border-radius: 7px; font-size: .78rem; font-weight: 600; color: var(--muted); }
.seg a.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.06); }

/* ---------- grafikler ---------- */
.chart-box { position: relative; width: 100%; height: 230px; }
.chart-box canvas { width: 100%; height: 100%; display: block; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: .76rem; color: var(--muted); margin-top: 8px; }
.legend i { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 5px; }
.cat-list { display: flex; flex-direction: column; gap: 9px; margin-top: 10px; }
.cat-row { display: flex; align-items: center; gap: 9px; font-size: .82rem; }
.cat-row .bar { height: 7px; border-radius: 4px; background: var(--accent); opacity: .8; min-width: 3px; }
.cat-row .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cat-row .val { font-variant-numeric: tabular-nums; color: var(--muted); }

/* ---------- bildirim ---------- */
.flash-wrap { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.flash {
  padding: 10px 14px; border-radius: 10px; font-size: .86rem; border: 1px solid transparent;
  display: flex; gap: 8px; align-items: flex-start;
}
.flash-success { background: var(--green-soft); color: var(--green); }
.flash-error { background: var(--red-soft); color: var(--red); }
.flash-info { background: var(--blue-soft); color: var(--blue); }

.empty { text-align: center; padding: 34px 16px; color: var(--muted); font-size: .87rem; }
.empty strong { display: block; color: var(--text); margin-bottom: 4px; font-size: .95rem; }

details.row-details { margin-top: 4px; }
details.row-details > summary { cursor: pointer; font-size: .78rem; color: var(--accent); list-style: none; font-weight: 600; }
details.row-details > summary::-webkit-details-marker { display: none; }
details.row-details > summary::before { content: "▸ "; }
details.row-details[open] > summary::before { content: "▾ "; }
.details-body { padding: 10px 0 4px; }
.mini-table { font-size: .8rem; }
.mini-table td, .mini-table th { padding: 6px 8px; }

/* ---------- giriş ---------- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(1200px 500px at 20% 0%, #0f2e2b 0%, #0a1120 55%, #070d18 100%); }
.auth-card { width: 100%; max-width: 400px; background: var(--surface); border-radius: 18px; padding: 28px; box-shadow: 0 30px 60px -30px rgba(0,0,0,.8); border: 1px solid var(--border); }
.auth-card h1 { font-size: 1.3rem; margin-bottom: 4px; }
.auth-card .muted { font-size: .86rem; }
.auth-card .brand { padding: 0 0 18px; color: var(--text); }
.auth-card .brand-sub { color: var(--muted); }

/* ---------- mobil ---------- */
.menu-btn { display: none; }
.scrim { display: none; }
.fab {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  width: 52px; height: 52px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--accent); color: #fff; font-size: 26px; line-height: 1;
  box-shadow: 0 10px 24px -8px rgba(15,118,110,.7); display: none;
}
.modal { position: fixed; inset: 0; z-index: 100; display: none; }
.modal.open { display: block; }
.modal-bg { position: absolute; inset: 0; background: rgba(2,6,23,.55); backdrop-filter: blur(2px); }
.modal-card {
  position: relative; margin: 8vh auto 0; width: min(520px, calc(100% - 24px));
  background: var(--surface); border-radius: 16px; padding: 20px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.5);
  border: 1px solid var(--border);
}
.modal-head { display: flex; align-items: center; margin-bottom: 14px; }
.modal-head h2 { font-size: 1rem; }
.modal-close { margin-left: auto; background: none; border: none; font-size: 22px; color: var(--muted); cursor: pointer; line-height: 1; }

@media (max-width: 1080px) {
  .grid.kpi { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.main-3, .grid.three { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .sidebar {
    position: fixed; left: 0; top: 0; transform: translateX(-102%);
    transition: transform .18s ease; box-shadow: 0 0 40px rgba(0,0,0,.4);
  }
  .sidebar.open { transform: translateX(0); }
  .scrim.open { display: block; position: fixed; inset: 0; background: rgba(2,6,23,.5); z-index: 45; }
  .menu-btn { display: inline-flex; }
  .content { padding: 16px 14px 96px; }
  .topbar { padding: 10px 14px; }
  .topbar .page-title span { display: none; }
  .user-chip .uname { display: none; }
  .grid.kpi { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .kpi { padding: 13px 14px; }
  .kpi .kpi-value { font-size: 1.22rem; }
  .grid.two { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .fab { display: grid; place-items: center; }
  .page-head h1 { font-size: 1.15rem; }
  .card { padding: 14px; }
  table { font-size: .82rem; }
  th, td { padding: 9px 10px; }
  .chart-box { height: 200px; }
}

@media (max-width: 420px) {
  .grid.kpi { grid-template-columns: 1fr 1fr; }
  .kpi .kpi-value { font-size: 1.1rem; }
  .kpi .kpi-sub { font-size: .72rem; }
}

@media print {
  .sidebar, .topbar, .fab, .filter-bar, .head-actions, .row-actions, .flash-wrap, .no-print { display: none !important; }
  body { background: #fff; }
  .content { padding: 0; max-width: none; }
  .card, .kpi { box-shadow: none; border: 1px solid #ddd; break-inside: avoid; }
  .grid.kpi { grid-template-columns: repeat(3, 1fr); }
  a { text-decoration: none; }
}