@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;700&family=Rajdhani:wght@500;600;700&display=swap");

:root {
  --bg: #0a0a0a;
  --panel: rgba(12, 12, 12, 0.93);
  --panel-soft: rgba(18, 18, 18, 0.92);
  --line: #332323;
  --line-strong: #7b1111;
  --text: #f3f3f3;
  --muted: #b0b0b0;
  --accent: #ff1b1b;
  --accent-soft: rgba(255, 27, 27, 0.18);
  --danger: #ff4d4d;
  --success: #7dff8d;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: "Rajdhani", "Segoe UI", sans-serif;
  letter-spacing: 0.02em;
  background: var(--bg);
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at 14% 18%, rgba(255, 0, 0, 0.1), transparent 34%),
    radial-gradient(circle at 80% 8%, rgba(255, 0, 0, 0.08), transparent 38%),
    radial-gradient(circle at 62% 84%, rgba(255, 0, 0, 0.06), transparent 36%);
  animation: flicker 2.7s linear infinite;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      to right,
      rgba(255, 255, 255, 0.028) 0,
      rgba(255, 255, 255, 0.028) 1px,
      transparent 1px,
      transparent 60px
    ),
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.026) 0,
      rgba(255, 255, 255, 0.026) 1px,
      transparent 1px,
      transparent 60px
    );
  opacity: 0.35;
  animation: gridDrift 16s linear infinite;
}

.shell {
  width: min(1360px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 22px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(255, 0, 0, 0.08), rgba(255, 0, 0, 0));
  padding: 16px 18px 14px;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}

.topbar::after {
  content: "";
  position: absolute;
  inset: auto -25% 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255, 37, 37, 0.9), transparent);
}

.brand h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.6vw, 2.15rem);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.brand-kicker {
  margin: 0 0 6px;
  font-size: 0.75rem;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  text-transform: uppercase;
  letter-spacing: 0.17em;
  color: #ff8b8b;
}

.session-meta {
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}

.layout {
  display: grid;
  gap: 14px;
}

.card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px;
  position: relative;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 0, 0, 0.15);
  pointer-events: none;
}

.muted {
  margin: 0 0 10px;
  color: var(--muted);
}

.app-panel {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 14px;
}

.sidebar {
  display: grid;
  gap: 8px;
  align-content: start;
  background: var(--panel-soft);
}

.content {
  display: grid;
  gap: 12px;
}

.view h2 {
  margin-top: 0;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1.12rem;
}

.nav-btn,
button {
  appearance: none;
  border: 1px solid #3a2222;
  background: #131313;
  color: var(--text);
  padding: 10px 12px;
  cursor: pointer;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.nav-btn:hover,
button:hover {
  border-color: var(--accent);
  color: #fff;
}

.nav-btn.active {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(255, 0, 0, 0.2), rgba(255, 0, 0, 0.05));
  color: #fff;
}

.danger {
  border-color: #5f2020;
  color: var(--danger);
}

.danger:hover {
  border-color: var(--danger);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 10px;
}

.stat {
  border: 1px solid var(--line);
  background: #111111;
  padding: 12px;
}

.stat span {
  display: block;
  color: var(--muted);
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.stat strong {
  font-size: 1.15rem;
  letter-spacing: 0.03em;
}

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

.form-grid.two-col {
  grid-template-columns: repeat(2, minmax(170px, 1fr));
}

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

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "IBM Plex Mono", "Courier New", monospace;
}

input,
textarea,
select {
  border: 1px solid #342424;
  background: #0f0f0f;
  color: var(--text);
  font-family: "Rajdhani", "Segoe UI", sans-serif;
  font-size: 1rem;
  padding: 10px 11px;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.table-wrap {
  margin-top: 14px;
  overflow: auto;
  border: 1px solid var(--line);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 0.9rem;
}

th {
  background: #101010;
  color: #ff8f8f;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

tbody tr:hover {
  background: rgba(255, 0, 0, 0.06);
}

.live-timer {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.timer-box {
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(255, 0, 0, 0.09), rgba(255, 0, 0, 0.03));
  padding: 10px 12px;
}

.timer-box span {
  display: block;
  color: #ffadad;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.timer-box strong {
  font-size: 1.26rem;
  letter-spacing: 0.07em;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(230px, 1fr));
  gap: 12px;
}

.split h3 {
  margin-top: 4px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
}

.clean-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.clean-list li {
  border: 1px solid var(--line);
  background: #111111;
  padding: 9px 10px;
  font-size: 0.9rem;
}

.error-text {
  color: var(--danger);
  min-height: 18px;
  margin: 8px 0 0;
  font-size: 0.86rem;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: 390px;
  border: 1px solid var(--line);
  background: #0f0f0f;
  padding: 10px 12px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.42);
  font-size: 0.9rem;
  z-index: 60;
}

.toast.ok {
  border-color: rgba(125, 255, 141, 0.7);
  color: var(--success);
}

.toast.error {
  border-color: rgba(255, 77, 77, 0.7);
  color: var(--danger);
}

.hidden {
  display: none !important;
}

@keyframes flicker {
  0%,
  100% {
    opacity: 1;
  }
  38% {
    opacity: 0.88;
  }
  64% {
    opacity: 0.95;
  }
}

@keyframes gridDrift {
  0% {
    background-position: 0 0, 0 0;
  }
  100% {
    background-position: 72px 72px, 72px 72px;
  }
}

@media (max-width: 980px) {
  .app-panel {
    grid-template-columns: 1fr;
  }

  .sidebar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }
}

@media (max-width: 760px) {
  .shell {
    padding: 12px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px;
  }

  .form-grid.two-col,
  .split,
  .live-timer {
    grid-template-columns: 1fr;
  }

  .sidebar {
    grid-template-columns: 1fr;
  }
}