/* ============================================================
   Lead Takip — stiller
   ============================================================ */
:root {
  --bg: #f1f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #2563eb;
  --danger: #dc2626;
  --overdue-bg: #fef2f2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.spacer { flex: 1; }

/* ── Butonlar ── */
button {
  cursor: pointer;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
}
button:hover { background: #f8fafc; }
button.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
button.primary:hover { background: #1d4ed8; }
button.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
button.danger:hover { background: #b91c1c; }
button.ghost { background: transparent; }
button:disabled { opacity: .6; cursor: default; }

/* ── Boot / login ── */
.boot {
  display: flex; align-items: center; justify-content: center;
  height: 100vh; color: var(--muted);
}
.login-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}
.login-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 32px; width: 100%; max-width: 360px;
  display: flex; flex-direction: column; gap: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
}
.login-card h1 { margin: 0; font-size: 22px; }
.login-card p { margin: 0 0 8px; }
.login-card input {
  padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px;
}

/* ── Topbar ── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; background: var(--card); border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0; font-size: 18px; }
.topbar-actions { display: flex; gap: 8px; }

/* ── Toolbar ── */
.toolbar {
  display: flex; gap: 12px; align-items: center;
  padding: 16px 24px; flex-wrap: wrap;
}
.toolbar input, .toolbar select {
  padding: 8px 12px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; background: #fff;
}
.toolbar #search { flex: 1; min-width: 200px; }

/* ── Durum rehberi ── */
.durum-help { margin: 0 24px 16px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; }
.durum-help > summary { cursor: pointer; padding: 12px 16px; font-weight: 600; color: var(--primary); list-style: none; }
.durum-help > summary::-webkit-details-marker { display: none; }
.durum-help > summary::before { content: "▸ "; }
.durum-help[open] > summary::before { content: "▾ "; }
.help-table { margin: 0 16px 12px; width: calc(100% - 32px); }
.help-table th, .help-table td { font-size: 13px; padding: 8px 10px; vertical-align: top; }
.help-note { margin: 0 16px 14px; font-size: 12px; }

/* ── Tablo ── */
.table-wrap { padding: 0 24px 40px; }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; }
thead th {
  text-align: left; padding: 12px 14px; font-size: 12px;
  text-transform: uppercase; letter-spacing: .03em; color: var(--muted);
  background: #f8fafc; border-bottom: 1px solid var(--border);
}
tbody td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
tbody tr { cursor: pointer; }
tbody tr:hover { background: #f8fafc; }
tbody tr.overdue { background: var(--overdue-bg); }
tbody tr.overdue:hover { background: #fee2e2; }
.takip-overdue { color: var(--danger); }

.badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  color: #fff; font-size: 12px; font-weight: 600; white-space: nowrap;
}
.empty { padding: 40px; text-align: center; color: var(--muted); }

/* ── Modal ── */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(15,23,42,.45);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 20px; overflow-y: auto; z-index: 50;
}
.modal {
  background: var(--card); border-radius: 14px; padding: 24px;
  width: 100%; max-width: 560px; display: flex; flex-direction: column; gap: 14px;
  box-shadow: 0 10px 40px rgba(0,0,0,.2);
}
.modal h2 { margin: 0; font-size: 18px; }
.modal label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); flex: 1; }
.modal input, .modal select, .modal textarea {
  padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; color: var(--text); background: #fff; font-family: inherit;
}
.modal textarea { resize: vertical; }
.modal .row { display: flex; gap: 12px; flex-wrap: wrap; }
.modal-actions { display: flex; align-items: center; gap: 8px; margin-top: 4px; }

.error {
  background: #fef2f2; color: var(--danger); border: 1px solid #fecaca;
  padding: 8px 12px; border-radius: 8px; font-size: 13px;
}

@media (max-width: 640px) {
  .table-wrap { padding: 0 8px 40px; overflow-x: auto; }
  table { min-width: 720px; }
}