:root {
  --primary: #1c5fa8;
  --primary-dark: #123a6b;
  --primary-light: #e5f0fb;
  --accent: #f59e0b;
  --bg: #f2f5f8;
  --card-bg: #ffffff;
  --border: #dde4ec;
  --text: #1c2530;
  --muted: #667385;
  --danger: #dc2626;
  --danger-bg: #fdecec;
  --warn: #d97706;
  --warn-bg: #fef3e0;
  --ok: #15803d;
  --ok-bg: #e7f6ec;
  --sidebar-w: 232px;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14.5px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 12px; }
code { background: #eef2f8; padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.hidden { display: none !important; }

/* ---- Layout shell ---- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w);
  background: var(--primary-dark);
  color: #fff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  padding: 18px 14px;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 4px 6px 20px; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--accent); color: #3a2a00;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px;
}
.brand-logo-img { width: 34px; height: 34px; border-radius: 9px; object-fit: contain; background: #fff; flex-shrink: 0; }
.auth-brand .brand-logo-img { width: 44px; height: 44px; }
.branding-logo-preview { max-width: 160px; max-height: 70px; object-fit: contain; border: 1px solid var(--border); border-radius: 8px; padding: 6px; background: #fff; }
.branding-preview-row { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; flex-wrap: wrap; }
.brand-text { font-weight: 700; font-size: 15px; line-height: 1.25; }
.brand-text small { display: block; font-weight: 400; color: #a9c3e0; font-size: 11px; }
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar-nav a {
  color: #d7e3f0; padding: 10px 12px; border-radius: 8px; font-size: 14px;
}
.sidebar-nav a:hover { background: rgba(255,255,255,.08); text-decoration: none; }
.sidebar-nav a.active { background: var(--accent); color: #3a2a00; font-weight: 600; }
.nav-with-badge { display: flex; align-items: center; justify-content: space-between; }
.nav-badge { background: var(--danger); color: #fff; font-size: 10.5px; font-weight: 700; border-radius: 10px; padding: 1px 7px; }
.sidebar-sep { margin: 14px 6px 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #7f9dc4; }
.sidebar-footer { padding-top: 12px; border-top: 1px solid rgba(255,255,255,.15); display: flex; flex-direction: column; gap: 8px; }
.user-chip { font-size: 12.5px; color: #d7e3f0; padding: 4px 6px; }

.main-col { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { background: var(--card-bg); border-bottom: 1px solid var(--border); padding: 16px 28px; }
.topbar h1 { font-size: 20px; }
.main-content { padding: 22px 28px 40px; }
.page-actions { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid transparent;
  font-size: 13.5px; font-weight: 600; cursor: pointer; background: none;
}
.btn-sm { padding: 6px 11px; font-size: 12.5px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }
.btn-secondary { background: #eef2f8; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: #e2e9f2; text-decoration: none; }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { background: #eef2f8; text-decoration: none; }
.btn-danger { background: var(--danger-bg); color: var(--danger); border-color: #f5c2c2; }
.btn-danger:hover { background: #fadcdc; text-decoration: none; }
.btn-block { width: 100%; justify-content: center; }

/* ---- Cards / forms ---- */
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; margin-bottom: 18px; }
.form-card { max-width: 980px; }
.form-section-title { font-size: 14.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--primary-dark); margin: 22px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.form-section-title:first-child { margin-top: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 18px; }
.form-grid-3 { grid-template-columns: repeat(3, 1fr); }
.form-field { display: flex; flex-direction: column; gap: 5px; }
.form-field-wide { grid-column: 1 / -1; }
.form-field label { font-size: 12.5px; font-weight: 600; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=file], select, textarea {
  padding: 9px 11px; border: 1px solid var(--border); border-radius: 7px; font-size: 13.5px; font-family: inherit; background: #fff; color: var(--text);
}
textarea { resize: vertical; }
.form-actions { display: flex; gap: 10px; margin-top: 18px; }
.inline-form { display: inline-flex; gap: 6px; align-items: center; margin: 0; }
.stage-delete-form { margin-top: 10px; }
.add-form { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--border); }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin: 12px 0; font-size: 13.5px; }
.radio-row { display: flex; gap: 10px; margin-bottom: 4px; }
.radio-pill { border: 1px solid var(--border); border-radius: 20px; padding: 8px 16px; cursor: pointer; font-size: 13.5px; }
.radio-pill input { margin-right: 6px; }
.company-fields { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); }

/* ---- Flash ---- */
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 13.5px; }
.flash-ok { background: var(--ok-bg); color: var(--ok); }
.flash-err { background: var(--danger-bg); color: var(--danger); }

/* ---- Tables ---- */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13.5px; vertical-align: middle; }
.data-table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.table-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.filter-form { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-form input, .filter-form select { padding: 8px 10px; font-size: 13px; }
.pagination { display: flex; gap: 6px; margin-top: 16px; }
.pagination a { padding: 6px 11px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; color: var(--text); }
.pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---- Stat cards ---- */
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.stat-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; }
.stat-num { font-size: 28px; font-weight: 700; color: var(--primary-dark); }
.stat-label { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.stat-card.stat-warn .stat-num { color: var(--warn); }
.stat-card.stat-done .stat-num { color: var(--ok); }

/* ---- Progress ---- */
.progress-bar { background: #e7ece9; border-radius: 20px; height: 8px; overflow: hidden; width: 140px; }
.progress-bar-sm { width: 90px; height: 6px; }
.progress-bar-fill { background: linear-gradient(90deg, var(--accent), var(--primary)); height: 100%; }
.progress-ring-label { font-size: 22px; font-weight: 700; color: var(--primary-dark); }

/* ---- Status / countdown pills ---- */
.status-pill { display: inline-block; padding: 4px 11px; border-radius: 20px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; }
.status-active { background: var(--primary-light); color: var(--primary); }
.status-completed { background: var(--ok-bg); color: var(--ok); }
.status-cancelled { background: #f1f1f1; color: #666; }
.dc-sub { display: block; margin-top: 2px; }
.row-actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.last-stage-label { font-size: 12.5px; font-weight: 600; }

.countdown-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 16px 0 6px; }
.countdown-chip { border-radius: 10px; padding: 10px 14px; min-width: 200px; border: 1px solid var(--border); }
.countdown-label { font-size: 12px; font-weight: 600; color: var(--muted); }
.countdown-value { font-size: 17px; font-weight: 700; margin: 2px 0; }
.countdown-deadline { font-size: 11.5px; color: var(--muted); }
.countdown-ok { background: var(--ok-bg); border-color: #bfe3cb; }
.countdown-ok .countdown-value { color: var(--ok); }
.countdown-warn { background: var(--warn-bg); border-color: #f5d9a8; }
.countdown-warn .countdown-value { color: var(--warn); }
.countdown-danger, .countdown-expired { background: var(--danger-bg); border-color: #f3b6b6; }
.countdown-danger .countdown-value, .countdown-expired .countdown-value { color: var(--danger); }

.countdown-pill { padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.countdown-pill.countdown-ok { color: var(--ok); }
.countdown-pill.countdown-warn { color: var(--warn); }
.countdown-pill.countdown-danger, .countdown-pill.countdown-expired { color: var(--danger); }

.role-badge { padding: 2px 8px; border-radius: 10px; font-size: 10.5px; font-weight: 700; }
.role-badge.admin { background: var(--accent); color: #3a2a00; }
.role-badge.user { background: #eef2f8; color: var(--muted); }

/* ---- Project detail ---- */
.project-summary-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.project-summary-progress { text-align: right; min-width: 160px; }
.project-summary-progress .progress-bar { width: 100%; margin: 6px 0 8px; margin-left: auto; }
.project-summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 22px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border); }
.project-summary-grid .k { display: block; font-size: 11.5px; color: var(--muted); }
.project-summary-grid .v { display: block; font-size: 13.5px; font-weight: 600; }
.status-actions { margin-top: 16px; display: flex; align-items: center; gap: 8px; }

/* ---- Tabs ---- */
.tab-nav { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 18px; }
.tab-btn { padding: 10px 18px; font-size: 13.5px; font-weight: 600; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tab-btn:hover { text-decoration: none; color: var(--text); }
.tab-btn.active { color: var(--primary); border-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---- Stage toolbar (son işlem + aşamaya git) ---- */
.stage-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; padding: 14px 18px; }
.last-touched { display: flex; flex-direction: column; gap: 2px; }
.last-touched .k { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.last-touched .v { font-size: 14.5px; font-weight: 600; }
.stage-jump-field { display: flex; align-items: center; gap: 8px; }
.stage-jump-field label { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.stage-jump-field select { min-width: 260px; }

/* ---- Aşama giriş kartı (seçilen aşama) ---- */
.stage-entry { scroll-margin-top: 90px; }
.stage-entry-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.stage-entry-head h3 { margin: 0; font-size: 15.5px; }
.stage-order { width: 22px; height: 22px; border-radius: 50%; background: #eef2f8; color: var(--muted); font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stage-status-icon { flex-shrink: 0; }
.stage-label { flex: 1; font-weight: 600; }
.stage-summary { color: var(--muted); font-size: 12.5px; }
.stage-help { font-size: 12.5px; color: var(--warn); background: var(--warn-bg); padding: 8px 12px; border-radius: 7px; margin: 10px 0; }
.stage-form { margin-top: 8px; }
.stage-photo { margin-top: 14px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.stage-empty-hint { padding: 18px 4px; }

/* ---- Eklenen aşamalar listesi ---- */
.stage-added-list { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.added-stage-row {
  display: flex; align-items: center; gap: 12px; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px;
}
.added-stage-row.stage-done .stage-label { color: var(--ok); }

/* ---- Documents tab ---- */
.doc-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 8px; }
.doc-note { flex: 1; min-width: 140px; }
.doc-status-received { color: var(--ok); font-weight: 700; }
.doc-status-requested { color: var(--warn); font-weight: 700; }
.doc-files { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.file-chip { background: #eef2f8; padding: 5px 10px; border-radius: 6px; font-size: 12.5px; }

.upload-card { max-width: 640px; }

/* ---- Activity / notes ---- */
.activity-list { display: flex; flex-direction: column; gap: 12px; margin-top: 18px; }
.activity-item { border-left: 3px solid var(--border); padding: 4px 0 4px 14px; }
.activity-item.activity-note { border-color: var(--accent); }
.activity-meta { font-size: 12px; display: flex; gap: 8px; align-items: baseline; }
.activity-msg { font-size: 13.5px; margin-top: 2px; }

/* ---- Settings ---- */
.settings-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; align-items: start; }
.settings-item { border: 1px solid var(--border); border-radius: 8px; padding: 4px 12px; margin-bottom: 8px; }
.settings-item summary { padding: 8px 0; cursor: pointer; font-weight: 600; }
.warning-panel h2 { color: var(--warn); }

/* ---- Modal ---- */
.modal-overlay { position: fixed; inset: 0; background: rgba(15,25,22,.55); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.modal-box { background: #fff; border-radius: 12px; padding: 26px 28px; max-width: 640px; width: 100%; max-height: 80vh; overflow-y: auto; }
.modal-box h2 { color: var(--warn); }

/* ---- Görevler ---- */
.priority-pill { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.priority-dusuk { background: #eef2f8; color: var(--muted); }
.priority-normal { background: var(--primary-light); color: var(--primary); }
.priority-yuksek { background: var(--danger-bg); color: var(--danger); }
.task-check-btn { background: none; border: none; font-size: 17px; cursor: pointer; padding: 2px; line-height: 1; }
.task-row-done { opacity: .6; }
.task-title-done { text-decoration: line-through; color: var(--muted); }
.task-widget-list { display: flex; flex-direction: column; gap: 8px; }
.task-widget-item { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; }
.task-widget-item .t-title { flex: 1; font-weight: 600; font-size: 13.5px; }
.task-widget-item .t-project { color: var(--muted); font-size: 12px; }

/* ---- Raporlar / basit grafikler ---- */
.report-filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 6px; }
.report-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.report-charts { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.bar-chart { display: flex; flex-direction: column; gap: 10px; }
.bar-chart-row { display: grid; grid-template-columns: 140px 1fr 50px; align-items: center; gap: 10px; }
.bar-chart-row .bar-label { font-size: 12.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-track { background: #eef2f8; border-radius: 20px; height: 14px; overflow: hidden; }
.bar-fill { background: linear-gradient(90deg, var(--accent), var(--primary)); height: 100%; border-radius: 20px; }
.bar-chart-row .bar-value { font-size: 12.5px; font-weight: 700; text-align: right; }
.donut-legend { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.donut-legend-item { display: flex; align-items: center; gap: 8px; font-size: 12.5px; }
.donut-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* ---- Auth pages ---- */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.auth-card { background: #fff; border-radius: 14px; padding: 36px 34px; width: 100%; max-width: 380px; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
.auth-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.auth-subtitle { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.auth-field { margin-bottom: 14px; display: flex; flex-direction: column; gap: 5px; }
.auth-field label { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.auth-field input { width: 100%; }
.auth-submit { width: 100%; padding: 11px; border: none; border-radius: 8px; background: var(--primary); color: #fff; font-weight: 700; font-size: 14px; cursor: pointer; margin-top: 6px; }
.auth-submit:hover { background: var(--primary-dark); }
.auth-error { background: var(--danger-bg); color: var(--danger); padding: 10px 12px; border-radius: 7px; font-size: 13px; margin-bottom: 14px; }
.auth-footer { margin-top: 18px; font-size: 12.5px; color: var(--muted); text-align: center; }

/* ---- Kaydırılabilir tablo sarmalayıcı (mobil) ---- */
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-responsive .data-table { min-width: 640px; }

/* ---- Mobil menü butonu (yalnızca dar ekranlarda görünür) ---- */
.menu-toggle {
  display: none; background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px;
  width: 40px; height: 40px; font-size: 18px; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0;
}
.sidebar-backdrop { display: none; }

@media (max-width: 900px) {
  .app-shell { display: block; }
  .menu-toggle { display: inline-flex; }
  .topbar { display: flex; align-items: center; gap: 12px; position: sticky; top: 0; z-index: 60; }
  .topbar h1 { font-size: 17px; }

  .sidebar {
    position: fixed; top: 0; left: 0; height: 100vh; width: 250px;
    flex-direction: column; align-items: stretch; padding: 16px 14px;
    transform: translateX(-100%); transition: transform .22s ease;
    z-index: 210; box-shadow: 4px 0 24px rgba(0,0,0,.25); overflow-y: auto;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-nav { flex-direction: column; overflow-x: visible; }
  .sidebar-footer { flex-direction: column; align-items: stretch; }

  .sidebar-backdrop {
    display: block; position: fixed; inset: 0; background: rgba(10,18,28,.5);
    z-index: 200; opacity: 0; pointer-events: none; transition: opacity .2s ease;
  }
  .sidebar-backdrop.open { opacity: 1; pointer-events: auto; }

  .main-content { padding: 16px 14px 32px; }
  .settings-grid, .form-grid, .form-grid-3, .project-summary-grid { grid-template-columns: 1fr; }
  .stat-cards { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .project-summary-head { flex-direction: column; align-items: stretch; }
  .project-summary-progress { text-align: left; }
  .project-summary-progress .progress-bar { margin-left: 0; }
  .tab-nav { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .tab-btn { white-space: nowrap; padding: 10px 14px; }
  .stage-toolbar { flex-direction: column; align-items: stretch; }
  .stage-jump-field { flex-direction: column; align-items: stretch; }
  .stage-jump-field select { min-width: 0; width: 100%; }
  .doc-form, .doc-files { width: 100%; }
  .doc-note { flex-basis: 100%; }
  .modal-box { padding: 18px 18px; }
  .table-toolbar { flex-direction: column; align-items: stretch; }
  .filter-form { flex-direction: column; }
  .filter-form input, .filter-form select, .filter-form button, .filter-form a { width: 100%; }
  .page-actions { flex-direction: column; align-items: stretch; }
  .page-actions .btn, .page-actions form { width: 100%; }
  .page-actions form button { width: 100%; }

  /* Dokunma hedeflerini büyüt */
  .btn { padding: 11px 16px; }
  .btn-sm { padding: 9px 13px; }
  input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], select, textarea {
    padding: 11px 12px; font-size: 15px;
  }

  .card, .form-card { padding: 16px 16px; }
  .added-stage-row { flex-wrap: wrap; }
  .added-stage-row .stage-summary { flex-basis: 100%; margin-left: 34px; }
  .status-actions { flex-wrap: wrap; }
  .status-actions select { flex: 1; min-width: 140px; }
  .settings-grid { gap: 14px; }

  .report-stats { grid-template-columns: repeat(2, 1fr); }
  .report-charts { grid-template-columns: 1fr; }
  .report-filters { flex-direction: column; align-items: stretch; }
  .report-filters select, .report-filters input, .report-filters a, .report-filters button { width: 100%; }
  .bar-chart-row { grid-template-columns: 90px 1fr 40px; }
}

@media (max-width: 480px) {
  .stat-cards { grid-template-columns: 1fr; }
  .auth-card { padding: 28px 22px; }
  .countdown-chip { min-width: 100%; }
}