:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f232c;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #8a92a3;
  --accent: #4f8cff;
  --accent-hover: #6a9fff;
  --danger: #ff5c5c;
  --success: #3ecf8e;
  --warn: #ffb84d;
  --status-open: #4f8cff;
  --status-in_progress: #ffb84d;
  --status-won: #3ecf8e;
  --status-lost: #ff5c5c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); margin-top: 8px; font-size: 13px; }
.req { color: var(--danger); }

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
  font-size: 14px;
}

input, select, textarea {
  font-family: inherit;
  font-size: 14px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  outline: none;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
}
textarea { resize: vertical; }

/* Custom select — kill native arrow, draw our own with breathing room */
.select-wrap {
  position: relative;
  width: 100%;
}
.select-wrap select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 34px;
  cursor: pointer;
}
.select-wrap::after {
  content: '';
  position: absolute;
  right: 14px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.select-wrap:has(select:focus)::after { border-color: var(--accent); }

.btn-primary {
  background: var(--accent);
  color: white;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 500;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary {
  background: var(--panel-2);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--border); }
.btn-danger {
  background: transparent;
  color: var(--danger);
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.btn-danger:hover { background: rgba(255,92,92,0.1); }
.btn-link {
  background: transparent;
  color: var(--muted);
  padding: 4px 8px;
}
.btn-link:hover { color: var(--text); }

/* Login */
.login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}
.login-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  width: 100%;
  max-width: 360px;
}
.login-box h1 { margin: 0 0 4px; font-size: 20px; }
.login-box p { margin: 0 0 20px; }
.login-box input { margin-bottom: 12px; }
.login-box button { width: 100%; padding: 10px; background: var(--accent); color: white; border-radius: 6px; }
.login-box button:hover { background: var(--accent-hover); }

/* App layout */
.app {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: 100vh;
}

/* Sidebar */
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.sidebar-header {
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.sidebar-header h2 { margin: 0; font-size: 15px; font-weight: 600; }
.sidebar-controls {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.appeals-list {
  flex: 1;
  overflow-y: auto;
  list-style: none;
  padding: 0;
  margin: 0;
}
.appeals-list li {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.appeals-list li:hover { background: var(--panel-2); }
.appeals-list li.active { background: var(--panel-2); border-left: 3px solid var(--accent); padding-left: 13px; }
.appeal-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.appeal-title { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.appeal-meta { font-size: 12px; color: var(--muted); display: flex; gap: 10px; }
.sidebar-footer {
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  text-align: center;
}

/* Status badge */
.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.status-open { background: rgba(79,140,255,0.15); color: var(--status-open); }
.status-in_progress { background: rgba(255,184,77,0.15); color: var(--status-in_progress); }
.status-won { background: rgba(62,207,142,0.15); color: var(--status-won); }
.status-lost { background: rgba(255,92,92,0.15); color: var(--status-lost); }

/* Main */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--bg);
}

/* Tabs bar */
.tabs-bar {
  display: flex;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  min-height: 40px;
}
.tab {
  padding: 10px 14px;
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
  color: var(--muted);
  min-width: 0;
  max-width: 240px;
}
.tab:hover { background: var(--panel-2); color: var(--text); }
.tab.active { background: var(--bg); color: var(--text); border-bottom: 2px solid var(--accent); margin-bottom: -1px; }
.tab-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tab-close {
  background: transparent;
  color: var(--muted);
  width: 18px;
  height: 18px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-size: 16px;
  line-height: 1;
}
.tab-close:hover { background: var(--border); color: var(--text); }

/* Tab content */
.tab-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--muted);
  text-align: center;
}
.empty-state h3 { margin-bottom: 8px; }

/* Appeal detail */
.appeal-detail { max-width: 1400px; margin: 0 auto; }
.appeal-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.appeal-detail-header h2 {
  margin: 0;
  font-size: 20px;
  flex: 1;
}
.appeal-detail-header h2[contenteditable="true"]:focus {
  outline: 2px solid var(--accent);
  border-radius: 4px;
  padding: 2px 6px;
  margin: -2px -6px;
}
.header-actions { display: flex; gap: 8px; align-items: center; }

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 20px;
}
.detail-field label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}
.detail-field.full { grid-column: 1 / -1; }

.section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 20px;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.section-header h3 { margin: 0; font-size: 15px; font-weight: 600; }
.section-hint { color: var(--muted); font-size: 12px; margin-bottom: 12px; }

/* ---------- Roadmap (horizontal) ---------- */
.roadmap {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 8px 4px 16px;
  scroll-behavior: smooth;
}
.roadmap-track {
  display: flex;
  align-items: stretch;
  gap: 16px;
  min-width: min-content;
  position: relative;
}
/* connector line under cards */
.roadmap-track::before {
  content: '';
  position: absolute;
  left: 20px;
  right: 20px;
  top: 28px;
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.roadmap-empty {
  color: var(--muted);
  padding: 24px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 8px;
}

.step-card {
  position: relative;
  z-index: 1;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  width: 260px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.step-card.dragover { border-color: var(--accent); background: rgba(79,140,255,0.08); }

.step-marker {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
  margin: -21px auto 0;
}

.step-datetime {
  display: flex;
  gap: 6px;
  align-items: center;
}
.step-datetime input {
  background: transparent;
  border: 1px solid transparent;
  padding: 4px 6px;
  font-size: 12px;
  color: var(--muted);
  color-scheme: dark;
  width: 100%;
}
.step-datetime input:hover { border-color: var(--border); }
.step-datetime input:focus { border-color: var(--accent); color: var(--text); }

.step-text {
  background: transparent;
  border: 1px solid transparent;
  padding: 6px 8px;
  border-radius: 6px;
  min-height: 60px;
  font-size: 13px;
  line-height: 1.4;
  resize: vertical;
}
.step-text:hover { border-color: var(--border); }
.step-text:focus { border-color: var(--accent); background: var(--panel); }

.step-files {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.step-file {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 5px 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: 12px;
}
.step-file-info { display: flex; align-items: center; gap: 6px; min-width: 0; flex: 1; }
.step-file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--accent);
  text-decoration: none;
  cursor: pointer;
}
.step-file-name:hover { text-decoration: underline; }
.step-file-size { color: var(--muted); font-size: 11px; white-space: nowrap; }
.step-file-del {
  background: transparent;
  color: var(--muted);
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 11px;
}
.step-file-del:hover { color: var(--danger); }

.step-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--border);
  padding-top: 8px;
}
.step-upload {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.step-upload:hover { color: var(--text); border-color: var(--accent); }
.step-upload input { display: none; }
.step-delete {
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
}
.step-delete:hover { color: var(--danger); }

.step-add {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  width: 120px;
  flex-shrink: 0;
  background: transparent;
  border: 2px dashed var(--border);
  border-radius: 10px;
  color: var(--muted);
  font-size: 24px;
  cursor: pointer;
  position: relative;
  z-index: 1;
}
.step-add:hover { border-color: var(--accent); color: var(--accent); background: rgba(79,140,255,0.05); }
.step-add-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  padding: 20px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal h3 { margin: 0 0 16px; }
.modal label {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--muted);
}
.modal label input, .modal label select, .modal label textarea {
  margin-top: 4px;
  color: var(--text);
}
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}

.save-indicator {
  font-size: 12px;
  color: var(--muted);
  padding: 4px 8px;
}
.save-indicator.saving { color: var(--warn); }
.save-indicator.saved { color: var(--success); }
.save-indicator.error { color: var(--danger); }

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 8px;
  z-index: 200;
  animation: slidein 0.2s ease;
}
.toast.error { border-color: var(--danger); }
@keyframes slidein {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.step-operation {
  background: transparent;
  border: 1px solid transparent;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--warn);
}
.step-operation:hover { border-color: var(--border); }
.step-operation:focus { border-color: var(--accent); background: var(--panel); }
.step-operation::placeholder { color: var(--muted); font-weight: 400; }

.step-money {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}
.money-row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 8px;
  align-items: center;
}
.money-header {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding-bottom: 2px;
  text-align: right;
}
.money-header span:first-child { text-align: left; }
.money-label {
  color: var(--muted);
  font-size: 12px;
}
.money-label.money-out { color: var(--danger); }
.money-label.money-in { color: var(--success); }
.money-row input {
  padding: 5px 8px;
  font-size: 13px;
  text-align: right;
  background: var(--panel-2);
  font-variant-numeric: tabular-nums;
}
.money-row input:focus { background: var(--panel); }
.money-balance {
  padding: 8px;
  margin: 6px -10px -10px;
  background: rgba(79, 140, 255, 0.06);
  border-radius: 0 0 6px 6px;
  border-top: 1px solid var(--border);
}
.money-balance .money-label {
  font-size: 12px;
  color: var(--text);
  font-weight: 500;
  padding-left: 2px;
}
.money-balance input {
  text-align: right;
  padding: 5px 8px;
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 700;
  background: transparent;
  border: 1px solid transparent;
}
.money-balance input:hover { border-color: var(--border); background: var(--panel-2); }
.money-balance input:focus { border-color: var(--accent); background: var(--panel-2); }
.money-balance input.money-positive { color: var(--success); }
.money-balance input.money-negative { color: var(--danger); }
.money-balance input.money-zero { color: var(--muted); }
.money-positive { color: var(--success); }
.money-negative { color: var(--danger); }
.money-zero { color: var(--muted); }

/* Total balance chip in appeal header */
.total-balance {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  text-align: right;
  min-width: 180px;
}
.total-balance-label {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}
.total-balance-values {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  font-weight: 600;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

/* File thumbnail in step card */
.file-thumb {
  width: 28px;
  height: 28px;
  object-fit: cover;
  border-radius: 4px;
  background: var(--panel);
  cursor: pointer;
  flex-shrink: 0;
}
.file-icon {
  font-size: 16px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-file-name.previewable { cursor: pointer; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.lightbox.hidden { display: none; }
.lightbox-content {
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-content img,
.lightbox-content video {
  max-width: 100%;
  max-height: calc(100vh - 80px);
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.lightbox-content .pdf-frame {
  width: 90vw;
  height: calc(100vh - 80px);
  max-width: 1200px;
  border: none;
  border-radius: 6px;
  background: white;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.lightbox-close, .lightbox-download {
  position: absolute;
  top: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}
.lightbox-close { right: 16px; }
.lightbox-download { right: 68px; font-size: 20px; }
.lightbox-close:hover, .lightbox-download:hover { background: rgba(255,255,255,0.2); }

@media (max-width: 700px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { max-height: 40vh; }
  .detail-grid { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; }
  .step-card { width: 280px; }
  .total-balance { min-width: auto; }
}