@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=VT323&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;

}

:root {
  --bg:         #0d0d0d;
  --bg2:        #111111;
  --bg3:        #161616;
  --border:     #2a2a2a;
  --text:       #d8d8d8;
  --text-dim:   #666666;
  --text-muted: #3a3a3a;
  --green:      #4caf72;
  --red:        #c0443a;
  --amber:      #c89b3c;
  --font-mono:  'Share Tech Mono', 'Courier New', monospace;
  --font-vt:    'VT323', monospace;
}

html,body{
    width: 100%;
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 14px;
    overflow: hidden;

}

#grain-canvas{
    position:fixed;
    inset:0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
    opacity: 0.035;
}
.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 998;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0, 0, 0, 0.15) 2px,
    rgba(0, 0, 0, 0.15) 4px
  );
}

.game-wrapper{
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100%;

}
.game-header{
    display:flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg2);
    flex-shrink: 0;
    gap: 16px;
}
.header-left{
    display: flex;
    align-items: baseline;
    gap:10px;
}

.game-title{
    font-family: var(--font-vt);
    font-size: 26px;
    letter-spacing: 3px;
    color: var(--text);
}
.game-subtitle {
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.save-section{
    display: flex;
    align-items: center;
    gap: 12px;
}
.timer-wrap {
    display: flex;
    align-items: baseline;
    gap: 4px;
    background: var(--bg3);
    border: 1px solid var(--border);
    padding: 5px 10px;
}
.timer-label{
    font-size: 10px;
    color: var(--text-dim);
    letter-spacing: 1px;
}
.timer-value {
    font-family: var(--font-vt);
    font-size: 20px;
    color: var(--amber);
    min-width: 28px;
    text-align: center;
    transition: color 0.2s;
}

.timer-value.urgent {
    color: var(--red);
    animation: pulse-red 0.5s infinite alternate;
}
.timer-unit {
    font-size: 11px;
    color: var(--text-dim);
}

@keyframes pulse-red{
    from {opacity: 1;}
    to  {opacity: 0.4;}
}

.save-btn {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 2px;
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    padding: 6px 16px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    outline: none;
}

.save-btn:hover {
    background: var(--border);
    border-color: #444;
}
.save-btn.flash {
    background: var(--green);
    color: #0d0d0d;
    border-color: var(--green);
}


.game-body{
    display: flex;
    flex: 1;
    overflow: hidden;
}
.rules-panel{
    width: 320px;
    min-width: 260px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    background: var(--bg2);
    overflow: hidden;
    flex-shrink: 0;
}
.rules-header {
    display:flex;
    justify-content: space-between; align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.rules-title{
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--text-dim);
}
.rules-progress{
    font-family: var(--font-vt);
    font-size: 18px;
    color:var(--text-dim)
}
.rules-list{
    list-style: none;
    overflow-y: auto;
    flex: 1;
    padding: 6px 0;
}
.rules-list::-webkit-scrollbar { width: 4px; }
.rules-list::-webkit-scrollbar-track { background: var(--bg2); }
.rules-list::-webkit-scrollbar-thumb { background: var(--border); }

.rule-item{
    display: flex;
    gap: 10px;
    padding: 9px 14px;
    border-bottom: 1px solid var(--bg3);
    align-items: flex-start;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.35s ease, transform 0.35s ease;

}
.rule-item.visible {
    opacity: 1;
    transform: translateY(0);
}
.rule-num {
    font-family: var(--font-vt);
    font-size: 16px;
    color: var(--text-muted);
    min-width: 22px;
    line-height: 1.2;
    flex-shrink: 0;
    transition: color 0.3s;
}
.rule-item.passed .rule-num { color: var(--green); }
.rule-item.failed .rule-num { color: var(--red); }
.rule-body {flex:1;}

.rule-text {
    font-size: 12px;
    color: var(--text);
    line-height: 1.6;
}
.rule-item.passed .rule-text { color: var(--text-dim); }
.rule-status {
    font-size: 11px;
    margin-top: 3px;
    letter-spacing: 1px;
}
.rule-item.passed  .rule-status { color: var(--green); }
.rule-item.failed  .rule-status { color: var(--red); }
.rule-item.neutral .rule-status { color: var(--text-muted); }

.editor-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.editor-topbar {
    display: flex;
    justify-content: space-between; align-items: center;
    padding: 7px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg2);
    flex-shrink: 0;
}
.editor-label {
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--text-dim);
}
.line-count {
    font-size: 11px;
    color: var(--text-muted);
}
.editor-container{
    display: flex;
    flex: 1;
    overflow: hidden;
}
.line-numbers {
    padding: 14px 10px 14px 14px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-muted);
    text-align: right;
    background: var(--bg2);
    border-right: 1px solid var(--border);
    user-select: none;
    white-space: pre;
    overflow: hidden;
    flex-shrink: 0;
    min-width: 44px;
}
.code-editor {
    flex: 1;
    padding: 14px 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    border: none;
    outline: none;
    resize: none;
    caret-color: var(--amber);
    overflow-y: auto;
    white-space: pre;
    overflow-wrap: normal;
    tab-size: 4
    ;
}
.code-editor::placeholder { color: var(--text-muted); }
 
.code-editor::-webkit-scrollbar       { width: 6px; height: 6px; }
.code-editor::-webkit-scrollbar-track { background: var(--bg); }
.code-editor::-webkit-scrollbar-thumb { background: var(--border); }
.code-editor.destroying {caret-color: var(--red);}

.success-srceen {
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.success-srceen.hidden {display:none}
.success-inner {
    text-align: center;
    max-width: 480px;
    padding: 40px 20px;
}
.success-blink{
    font-size: 32px;
    color: var(--green);
    animation: blink 0.5s step-end infinite;
    margin-bottom: 24px;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.success-title {
    font-family: var(--font-vt);
    font-size: 48px;
    letter-spacing: 6px;
    color: var(--text);
    margin-bottom: 10px;
}
.success-divider{
    height: 1px;
    background: var(--border);
    margin: 10px auto;
    width: 80%;
}
.success-label {
  font-family: var(--font-vt);
  font-size: 34px;
  letter-spacing: 10px;
  color: var(--green);
  margin-bottom: 14px;
}
 
.success-msg {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.8;
}
 
.success-restart{
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 2px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 8px 20px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  outline: none;
}
 
.success-restart:hover{
  color: var(--text);
  border-color: #555;
}
@media (max-width: 720px){
  .game-body { flex-direction: column; }
  .rules-panel{ width: 100%; max-height: 220px; border-right: none; border-bottom: 1px solid var(--border); }
}