:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #202634;
  --muted: #6c7486;
  --line: #d8dce5;
  --accent: #0f766e;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(160deg, #f7fafc 0%, #f2f4f8 70%, #eef3f7 100%);
  color: var(--text);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
}

.brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px;
}

.user-panel {
  display: flex;
  align-items: center;
  gap: 10px;
}

.notice {
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #f8fafc;
}

.notice.error {
  border-color: #f5b0ad;
  background: #fff1f1;
}

.notice.ok {
  border-color: #a8e0ca;
  background: #effcf6;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 1px 2px rgba(18, 26, 33, 0.04);
}

h2, h3, h4 {
  margin: 0 0 12px;
}

.form {
  display: grid;
  gap: 10px;
}

.form.grid2 {
  grid-template-columns: 1fr 1fr;
}

.form label,
.task-box {
  display: grid;
  gap: 6px;
}

#admin-login-2fa-fields {
  display: grid;
  gap: 10px;
}

.inline-check {
  display: flex !important;
  align-items: center;
  gap: 8px;
}

.form .full {
  grid-column: 1 / -1;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
}

input[type="checkbox"],
input[type="radio"] {
  width: 16px;
  height: 16px;
  margin: 0;
  padding: 0;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(15, 118, 110, 0.25);
  border-color: var(--accent);
}

button {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 12px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button.ghost {
  background: #fff;
  color: var(--text);
  border-color: var(--line);
}

button.danger {
  background: var(--danger);
  color: #fff;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 16px;
}

.side,
.content {
  display: grid;
  gap: 16px;
  align-content: start;
}

.tickets {
  display: grid;
  gap: 8px;
  max-height: 360px;
  overflow: auto;
}

.ticket-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  background: #fff;
}

.ticket-item.active {
  border-color: var(--accent);
  background: #effcf6;
}

.ticket-item .line {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.catalog-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: #fff;
  display: grid;
  gap: 8px;
}

.catalog-item .line {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.catalog-actions {
  display: flex;
  gap: 8px;
}

.muted {
  color: var(--muted);
}

.task-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
}

.checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.checks label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.master-list,
#my-flashers,
#files-list,
#admin-files-list {
  display: grid;
  gap: 8px;
  max-height: 240px;
  overflow: auto;
}

.flasher-row,
.file-row,
.msg-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
}

.flasher-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.flasher-row .select {
  display: flex;
  gap: 8px;
  align-items: center;
}

.flasher-row .select label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
}

.detail-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.actions {
  display: flex;
  gap: 8px;
}

.meta {
  font-family: ui-monospace, Menlo, Monaco, Consolas, monospace;
  white-space: pre-wrap;
  margin: 0 0 10px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.messages {
  display: grid;
  gap: 8px;
  max-height: 320px;
  overflow: auto;
  margin-bottom: 8px;
}

.msg-row.mine {
  border-color: #9bd6be;
  background: #f2fdf7;
}

.hidden {
  display: none !important;
}

@media (max-width: 1024px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .detail-grid,
  .card-grid,
  .form.grid2,
  .checks {
    grid-template-columns: 1fr;
  }
}