/* =============================================================
   vPSYC — Encrypted Instant Messenger
   styles.css — Retro IRC / Terminal Dark Theme
   ============================================================= */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --bg-base:        #080c08;
  --bg-panel:       #0d110d;
  --bg-input:       #060a06;
  --bg-highlight:   #111811;
  --bg-modal:       #0a0f0a;

  --border:         #1a2e1a;
  --border-bright:  #2a4a2a;

  --green:          #00ff41;
  --green-dim:      #00c030;
  --green-dark:     #003a10;
  --cyan:           #00ffff;
  --cyan-dim:       #00b8b8;
  --yellow:         #ffe600;
  --yellow-dim:     #c4b200;
  --red:            #ff3333;
  --amber:          #ff9900;
  --white:          #d0e8d0;
  --grey:           #4a664a;
  --grey-dim:       #2a3a2a;

  --font-main:      'Share Tech Mono', 'Courier New', monospace;
  --font-display:   'VT323', monospace;

  --crt-glow:       0 0 8px rgba(0,255,65,0.35), 0 0 20px rgba(0,255,65,0.1);
  --crt-glow-cyan:  0 0 8px rgba(0,255,255,0.35), 0 0 20px rgba(0,255,255,0.1);
  --crt-glow-ylw:   0 0 8px rgba(255,230,0,0.35), 0 0 20px rgba(255,230,0,0.1);
  --crt-glow-red:   0 0 8px rgba(255,51,51,0.4),  0 0 20px rgba(255,51,51,0.15);

  --scanline-opacity: 0.04;
  --vignette-opacity: 0.55;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg-base);
  color: var(--green);
  font-family: var(--font-main);
  font-size: 13px;
  line-height: 1.5;
  cursor: default;
}

/* CRT scanlines pseudo-overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,var(--scanline-opacity)) 2px,
    rgba(0,0,0,var(--scanline-opacity)) 4px
  );
}

/* CRT vignette */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    transparent 60%,
    rgba(0,0,0,var(--vignette-opacity)) 100%
  );
}

/* ── Utility Classes ────────────────────────────────────────── */
.hidden { display: none !important; }
.glow-green  { color: var(--green);  text-shadow: var(--crt-glow); }
.glow-cyan   { color: var(--cyan);   text-shadow: var(--crt-glow-cyan); }
.glow-yellow { color: var(--yellow); text-shadow: var(--crt-glow-ylw); }
.glow-red    { color: var(--red);    text-shadow: var(--crt-glow-red); }
.glow-amber  { color: var(--amber); }

/* ── Boot Screen ────────────────────────────────────────────── */
#boot-screen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--bg-base);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

#boot-content {
  width: min(700px, 95vw);
  text-align: left;
}

#boot-logo {
  font-family: var(--font-main);
  font-size: clamp(7px, 1.3vw, 13px);
  color: var(--green);
  text-shadow: var(--crt-glow);
  line-height: 1.15;
  margin-bottom: 12px;
  white-space: pre;
  animation: flicker 6s infinite;
}

#boot-tagline {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--cyan);
  text-shadow: var(--crt-glow-cyan);
  margin-bottom: 24px;
  letter-spacing: 1px;
}

#boot-log {
  font-size: 12px;
  color: var(--green-dim);
  min-height: 160px;
  margin-bottom: 16px;
  line-height: 1.8;
}

#boot-log .boot-line {
  display: block;
  animation: fadeIn 0.15s ease-in;
}
#boot-log .boot-ok   { color: var(--green); }
#boot-log .boot-warn { color: var(--yellow); }
#boot-log .boot-err  { color: var(--red); }

#boot-progress-bar {
  height: 6px;
  border: 1px solid var(--border-bright);
  background: var(--bg-panel);
  width: 100%;
  overflow: hidden;
}
#boot-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--green);
  box-shadow: var(--crt-glow);
  transition: width 0.1s linear;
}

/* ── App Layout ─────────────────────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── Status Bar ─────────────────────────────────────────────── */
#status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-bright);
  padding: 4px 10px;
  flex-shrink: 0;
  gap: 8px;
  flex-wrap: wrap;
  min-height: 32px;
}

#status-left, #status-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

#status-center {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--green);
  text-shadow: var(--crt-glow);
  letter-spacing: 2px;
  white-space: nowrap;
}

.status-label {
  color: var(--grey);
  font-size: 11px;
  text-transform: uppercase;
}

.status-value {
  font-size: 12px;
  letter-spacing: 1px;
  cursor: pointer;
  padding: 1px 4px;
  border: 1px solid transparent;
  transition: border-color 0.2s;
}
.status-value:hover { border-color: var(--border-bright); }

/* Session token hidden by default */
#display-token { letter-spacing: 2px; }
#display-token.token-hidden { color: var(--grey); text-shadow: none; }
#display-token.token-visible { color: var(--cyan); text-shadow: var(--crt-glow-cyan); }

/* Header buttons */
.hdr-btn {
  background: none;
  border: 1px solid var(--border-bright);
  color: var(--grey);
  font-family: var(--font-main);
  font-size: 11px;
  padding: 2px 7px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.15s;
}
.hdr-btn:hover {
  border-color: var(--green);
  color: var(--green);
  text-shadow: var(--crt-glow);
}
.hdr-btn.active, .hdr-btn.toggle-on {
  border-color: var(--yellow);
  color: var(--yellow);
  text-shadow: var(--crt-glow-ylw);
}

/* ── Main Layout ────────────────────────────────────────────── */
#main-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Sidebar ────────────────────────────────────────────────── */
#sidebar {
  width: 185px;
  min-width: 185px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 8px 0;
  flex-shrink: 0;
}

.sidebar-section-title {
  font-size: 10px;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 4px 10px 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2px;
}

#channel-list, #dm-list, #online-list {
  list-style: none;
  padding: 0;
}

.channel-item, .dm-item, .online-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 12px;
  color: var(--grey);
  transition: all 0.1s;
  border-left: 2px solid transparent;
}
.channel-item:hover, .dm-item:hover {
  background: var(--bg-highlight);
  color: var(--green-dim);
}
.channel-item.active, .dm-item.active {
  border-left-color: var(--green);
  color: var(--green);
  text-shadow: var(--crt-glow);
  background: var(--green-dark);
}
.chan-icon { color: var(--amber); font-weight: bold; }
.chan-name  { flex: 1; }
.chan-badge {
  background: var(--red);
  color: #fff;
  border-radius: 3px;
  font-size: 10px;
  padding: 0 4px;
  min-width: 16px;
  text-align: center;
}

.dm-item .dm-fp  { color: var(--cyan-dim); }
.dm-item .dm-ip  { font-size: 10px; color: var(--grey); }
.dm-item .dm-close {
  margin-left: auto;
  font-size: 11px;
  opacity: 0.4;
  cursor: pointer;
}
.dm-item .dm-close:hover { opacity: 1; color: var(--red); }

.online-item {
  cursor: default;
  font-size: 11px;
  padding: 2px 10px;
}
.online-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: var(--crt-glow);
  flex-shrink: 0;
}
.online-fp { color: var(--cyan-dim); }
.online-me { color: var(--green); }

.sidebar-btn {
  margin: 8px 10px 0;
  background: none;
  border: 1px solid var(--border-bright);
  color: var(--grey);
  font-family: var(--font-main);
  font-size: 11px;
  padding: 4px 8px;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s;
  width: calc(100% - 20px);
}
.sidebar-btn:hover {
  border-color: var(--green);
  color: var(--green);
  text-shadow: var(--crt-glow);
}

/* ── Chat Area ──────────────────────────────────────────────── */
#chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-base);
}

/* Tab bar */
#tab-bar {
  display: flex;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow-x: auto;
}
#tab-bar::-webkit-scrollbar { height: 3px; }
#tab-bar::-webkit-scrollbar-thumb { background: var(--border-bright); }

.tab {
  padding: 5px 16px;
  font-size: 12px;
  color: var(--grey);
  cursor: pointer;
  border-right: 1px solid var(--border);
  white-space: nowrap;
  transition: all 0.1s;
  position: relative;
}
.tab:hover { color: var(--green-dim); background: var(--bg-highlight); }
.tab.active {
  color: var(--green);
  text-shadow: var(--crt-glow);
  background: var(--bg-base);
  border-top: 1px solid var(--green);
}
.tab .tab-close {
  margin-left: 8px;
  opacity: 0.3;
  font-size: 11px;
}
.tab .tab-close:hover { opacity: 1; color: var(--red); }
.tab .tab-badge {
  display: inline-block;
  background: var(--red);
  border-radius: 2px;
  font-size: 9px;
  padding: 0 3px;
  margin-left: 4px;
  vertical-align: middle;
  color: #fff;
}

/* Message window */
#message-window {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
  scroll-behavior: smooth;
}
#message-window::-webkit-scrollbar { width: 6px; }
#message-window::-webkit-scrollbar-track { background: var(--bg-base); }
#message-window::-webkit-scrollbar-thumb { background: var(--border-bright); }

#message-list {
  padding: 0;
}

/* Message lines */
.msg-line {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  padding: 2px 10px;
  font-size: 12.5px;
  line-height: 1.55;
  animation: fadeIn 0.1s ease-in;
  transition: background 0.1s;
}
.msg-line:hover { background: var(--bg-highlight); }

.msg-ts {
  color: var(--grey);
  font-size: 11px;
  flex-shrink: 0;
  min-width: 58px;
  padding-top: 2px;
}

.msg-sender {
  flex-shrink: 0;
  font-weight: normal;
  letter-spacing: 0.3px;
}
.msg-sender.outgoing { color: var(--yellow); text-shadow: var(--crt-glow-ylw); }
.msg-sender.incoming { color: var(--cyan); text-shadow: var(--crt-glow-cyan); }
.msg-sender.system   { color: var(--amber); }
.msg-sender.anon     { color: var(--grey); }

.msg-divider { color: var(--grey); padding-top: 2px; }

.msg-body {
  color: var(--white);
  word-break: break-word;
  flex: 1;
}
.msg-body.encrypted-indicator {
  color: var(--grey);
  font-size: 11px;
  font-style: italic;
}

/* System / status messages */
.msg-line.system-line { opacity: 0.7; }
.msg-line.system-line .msg-body { color: var(--amber); }

/* Encrypted badge */
.enc-badge {
  font-size: 10px;
  border: 1px solid var(--green-dark);
  color: var(--green-dark);
  padding: 0 3px;
  border-radius: 2px;
  margin-left: 4px;
  vertical-align: middle;
  flex-shrink: 0;
}
.enc-badge.ok  { border-color: var(--green); color: var(--green); }
.enc-badge.err { border-color: var(--red);   color: var(--red); }

/* Encryption status banner */
#enc-status-banner {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3px 10px;
  font-size: 11px;
  color: var(--grey);
  flex-shrink: 0;
}

/* Input area */
#input-area {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-input);
  border-top: 1px solid var(--border-bright);
  flex-shrink: 0;
}

#input-prompt {
  font-size: 14px;
  flex-shrink: 0;
}

#msg-input {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-bright);
  color: var(--green);
  font-family: var(--font-main);
  font-size: 13px;
  outline: none;
  padding: 2px 4px;
  caret-color: var(--green);
}
#msg-input::placeholder { color: var(--grey-dim); }
#msg-input:focus { border-bottom-color: var(--green); }

#btn-send {
  background: none;
  border: 1px solid var(--green-dark);
  color: var(--green-dim);
  font-family: var(--font-main);
  font-size: 12px;
  padding: 4px 12px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.15s;
}
#btn-send:hover {
  border-color: var(--green);
  color: var(--green);
  text-shadow: var(--crt-glow);
}
#btn-send:active { transform: scale(0.97); }

/* ── Modals ─────────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0,0,0,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s;
}

.modal-box {
  background: var(--bg-modal);
  border: 1px solid var(--border-bright);
  box-shadow: 0 0 30px rgba(0,255,65,0.15), inset 0 0 60px rgba(0,0,0,0.4);
  padding: 20px 24px;
  width: min(480px, 95vw);
  max-height: 80vh;
  overflow-y: auto;
}
.modal-box.wide { width: min(640px, 95vw); }

.modal-title {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--green);
  text-shadow: var(--crt-glow);
  margin-bottom: 16px;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.modal-field {
  margin-bottom: 14px;
}
.modal-field label {
  display: block;
  font-size: 11px;
  color: var(--grey);
  text-transform: uppercase;
  margin-bottom: 4px;
  letter-spacing: 0.8px;
}
.modal-field input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-bright);
  color: var(--cyan);
  font-family: var(--font-main);
  font-size: 13px;
  padding: 6px 8px;
  outline: none;
  transition: border-color 0.15s;
}
.modal-field input:focus { border-color: var(--green); }

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.modal-actions button, .modal-close-btn {
  background: none;
  border: 1px solid var(--border-bright);
  color: var(--grey);
  font-family: var(--font-main);
  font-size: 12px;
  padding: 6px 14px;
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
}
.modal-actions button:hover {
  border-color: var(--green);
  color: var(--green);
  text-shadow: var(--crt-glow);
}
.modal-close-btn:hover {
  border-color: var(--red);
  color: var(--red);
}
.modal-close-btn {
  display: block;
  margin-top: 16px;
  width: 100%;
  text-align: center;
}

#help-text {
  font-size: 12px;
  color: var(--white);
  line-height: 1.9;
  white-space: pre;
  overflow-x: auto;
}

#modal-user-list {
  list-style: none;
  padding: 0;
}
#modal-user-list li {
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  display: flex;
  gap: 12px;
  align-items: center;
}
#modal-user-list .user-fp { color: var(--cyan); }
#modal-user-list .user-ip { color: var(--grey); }
#modal-user-list .user-you { color: var(--green); font-size: 10px; }
#modal-user-list .user-dm-btn {
  margin-left: auto;
  background: none;
  border: 1px solid var(--border-bright);
  color: var(--grey);
  font-family: var(--font-main);
  font-size: 10px;
  padding: 2px 6px;
  cursor: pointer;
}
#modal-user-list .user-dm-btn:hover { color: var(--green); border-color: var(--green); }

/* ── Scrollbar (Firefox) ────────────────────────────────────── */
* { scrollbar-width: thin; scrollbar-color: var(--border-bright) var(--bg-base); }

/* ── Animations ─────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes flicker {
  0%, 95%, 100% { opacity: 1; }
  96%           { opacity: 0.8; }
  97%           { opacity: 1; }
  98%           { opacity: 0.6; }
  99%           { opacity: 1; }
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100%{ opacity: 0; }
}

/* Blinking cursor on input prompt */
#input-prompt::after {
  content: '▌';
  animation: blink 1s step-start infinite;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
  #sidebar { display: none; }
  #status-bar { font-size: 10px; }
  #status-center { display: none; }
}

/* ── Selection ──────────────────────────────────────────────── */
::selection { background: var(--green-dark); color: var(--green); }