:root {
  --bg: #07110c;
  --panel: #0c1c14;
  --text: #9fff9f;
  --accent: #5cff8d;
  --accent-2: #2ce074;
  --danger: #ff6f6f;
  --glow: 0 0 10px rgba(92, 255, 141, 0.7);
  --dot: radial-gradient(circle, rgba(92, 255, 141, 0.2) 0.7px, transparent 1px);
}

[data-theme="neon"] {
  --bg: #0b0a1a;
  --panel: #131029;
  --text: #e7f6ff;
  --accent: #1fe3ff;
  --accent-2: #ff2fcf;
  --danger: #ff9f1a;
  --glow: 0 0 12px rgba(31, 227, 255, 0.8), 0 0 20px rgba(255, 47, 207, 0.35);
  --dot: radial-gradient(circle, rgba(255, 159, 26, 0.18) 0.7px, transparent 1px);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Vazirmatn", "Courier New", monospace;
  background: linear-gradient(140deg, #05070a, var(--bg));
  color: var(--text);
  direction: rtl;
}

body {
  padding: 1rem;
}

.app-shell {
  position: relative;
  max-width: 1300px;
  margin: 0 auto;
  padding: 1rem;
  border: 3px solid var(--accent);
  box-shadow: var(--glow);
  background: var(--panel);
  overflow: hidden;
}

.scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 50%, rgba(0, 0, 0, 0.14) 50%), var(--dot);
  background-size: 100% 3px, 8px 8px;
  opacity: 0.45;
  z-index: 1;
}

.crt.flicker::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  animation: crt-flicker 0.2s infinite;
  background: rgba(255, 255, 255, 0.015);
  z-index: 1;
}

@keyframes crt-flicker {
  0% { opacity: 0.06; }
  50% { opacity: 0.14; }
  100% { opacity: 0.08; }
}

@media (prefers-reduced-motion: reduce) {
  .crt.flicker::before {
    animation: none;
  }
}

.topbar,
.layout,
.settings-panel,
.backdrop {
  position: relative;
  z-index: 2;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

h1,
h2,
h3 {
  font-family: "Press Start 2P", "Vazirmatn", monospace;
  line-height: 1.5;
  margin: 0.5rem 0;
}

h1 {
  font-size: clamp(0.9rem, 2.2vw, 1.2rem);
}

.layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.notes-panel {
  grid-column: 1 / -1;
}

.panel {
  background: rgba(0, 0, 0, 0.25);
  border: 3px solid var(--accent);
  box-shadow: inset 0 0 0 2px #000, var(--glow);
  padding: 1rem;
}

.btn {
  font: inherit;
  color: var(--text);
  background: #111;
  border: 3px solid var(--accent);
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}

.pixel {
  box-shadow: 3px 3px 0 #000;
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.pixel:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 #000;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.countdown {
  font-family: "Press Start 2P", monospace;
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  text-align: center;
  padding: 0.8rem;
  margin: 0.8rem 0;
  border: 2px dashed var(--accent-2);
  text-shadow: 0 0 7px var(--accent);
}

.phase,
.sub {
  margin: 0.2rem 0;
}

.progress-wrap {
  width: 100%;
  height: 18px;
  border: 2px solid var(--accent);
  background: #050505;
  margin: 0.7rem 0;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: repeating-linear-gradient(45deg, var(--accent), var(--accent) 8px, var(--accent-2) 8px, var(--accent-2) 16px);
}

.controls,
.notes-actions,
.notes-toolbar-top,
.editor-tools,
.top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.burst {
  margin-top: 0.7rem;
  padding: 0.7rem;
  border: 3px solid var(--accent-2);
  clip-path: polygon(50% 0%, 58% 18%, 78% 8%, 72% 28%, 93% 24%, 78% 42%, 100% 50%, 78% 58%, 93% 76%, 72% 72%, 78% 92%, 58% 82%, 50% 100%, 42% 82%, 22% 92%, 28% 72%, 7% 76%, 22% 58%, 0% 50%, 22% 42%, 7% 24%, 28% 28%, 22% 8%, 42% 18%);
  background: rgba(0, 0, 0, 0.45);
  text-align: center;
}

.notice {
  margin-top: 0.5rem;
  border: 2px solid var(--danger);
  padding: 0.6rem;
  color: var(--danger);
}

.session-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 1rem;
  max-height: 180px;
  overflow: auto;
}

.session-list li {
  padding: 0.35rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.2);
}

.note-editor {
  margin-top: 0.6rem;
  min-height: 220px;
  border: 2px solid var(--accent);
  background: rgba(0, 0, 0, 0.35);
  padding: 0.7rem;
  outline: none;
  overflow-y: auto;
}

select,
input[type="number"],
input[type="text"],
input[type="range"] {
  font: inherit;
  background: #050505;
  color: var(--text);
  border: 2px solid var(--accent);
  padding: 0.35rem;
  width: 100%;
}

.settings-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: min(460px, 95vw);
  height: 100vh;
  background: var(--panel);
  border-left: 3px solid var(--accent);
  transform: translateX(-110%);
  transition: transform 0.2s ease;
  padding: 1rem;
  overflow: auto;
  z-index: 40;
}

.settings-panel.open {
  transform: translateX(0);
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.settings-form fieldset {
  margin: 0.7rem 0;
  border: 2px solid var(--accent);
}

.settings-form label {
  display: block;
  margin: 0.45rem 0;
}

input[type="checkbox"] {
  width: auto;
  margin-inline-start: 0.5rem;
}

.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 30;
}

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