/* ================================================================
   N-Messenger Socket Test Client — Stylesheet
   ================================================================ */

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

:root {
  --bg:          #0f1117;
  --surface:     #1a1d27;
  --surface2:    #22263a;
  --border:      #2e3250;
  --accent:      #4f8ef7;
  --accent-dark: #2d6de0;
  --green:       #2ecc71;
  --red:         #e74c3c;
  --yellow:      #f1c40f;
  --orange:      #e67e22;
  --purple:      #9b59b6;
  --text:        #e4e8f0;
  --text-muted:  #7a8099;
  --bubble-out:  #1e3a6e;
  --bubble-in:   #22263a;
  --radius:      10px;
  --shadow:      0 4px 24px rgba(0,0,0,.45);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Top bar ─────────────────────────────────────────────────── */
#topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  box-shadow: var(--shadow);
  z-index: 10;
}

#topbar .logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .5px;
}

#topbar .logo span { color: var(--text-muted); font-weight: 400; font-size: 12px; margin-left: 6px; }

#conn-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  margin-left: auto;
}

#conn-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--red);
  transition: background .3s;
}
#conn-dot.online  { background: var(--green); box-shadow: 0 0 6px var(--green); }
#conn-dot.offline { background: var(--red); }

/* ── Main layout ─────────────────────────────────────────────── */
#main {
  display: grid;
  grid-template-columns: 280px 1fr 320px;
  flex: 1;
  overflow: hidden;
  gap: 0;
}

/* ── Panels ──────────────────────────────────────────────────── */
.panel {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel:last-child { border-right: none; border-left: 1px solid var(--border); }

.panel-title {
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel-body::-webkit-scrollbar { width: 4px; }
.panel-body::-webkit-scrollbar-track { background: transparent; }
.panel-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* ── Form controls ───────────────────────────────────────────── */
.field-group { display: flex; flex-direction: column; gap: 5px; }

label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .6px;
}

input[type=text], input[type=number], textarea, select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 11px;
  font-size: 13px;
  width: 100%;
  outline: none;
  transition: border-color .2s;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
}

textarea { resize: vertical; min-height: 64px; font-family: inherit; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  border: none;
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s, transform .1s;
  width: 100%;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn-primary  { background: var(--accent);  color: #fff; }
.btn-primary:hover:not(:disabled)  { background: var(--accent-dark); }
.btn-success  { background: var(--green);   color: #fff; }
.btn-danger   { background: var(--red);     color: #fff; }
.btn-warning  { background: var(--orange);  color: #fff; }
.btn-purple   { background: var(--purple);  color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; width: auto; }

.btn-row { display: flex; gap: 8px; }
.btn-row .btn { flex: 1; }

/* ── Section dividers ────────────────────────────────────────── */
.section-sep {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4px 0;
}

.section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  padding: 2px 0;
}

/* ── Chat area (middle panel) ────────────────────────────────── */
#chat-panel { border-right: 1px solid var(--border); }

#chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#chat-messages::-webkit-scrollbar { width: 4px; }
#chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.bubble-wrap {
  display: flex;
  flex-direction: column;
  max-width: 78%;
}
.bubble-wrap.out { align-self: flex-end; align-items: flex-end; }
.bubble-wrap.in  { align-self: flex-start; align-items: flex-start; }

.bubble {
  padding: 9px 13px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.45;
  word-break: break-word;
}
.bubble.out {
  background: var(--bubble-out);
  border-bottom-right-radius: 4px;
  color: #c8d8ff;
}
.bubble.in {
  background: var(--bubble-in);
  border-bottom-left-radius: 4px;
  color: var(--text);
  border: 1px solid var(--border);
}

.bubble-meta {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 3px;
  display: flex;
  gap: 6px;
  align-items: center;
}

.tick { color: var(--text-muted); font-size: 12px; }
.tick.read { color: var(--accent); }

#typing-indicator {
  padding: 6px 16px;
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
  min-height: 24px;
  flex-shrink: 0;
}

#chat-input-area {
  border-top: 1px solid var(--border);
  padding: 12px;
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

#chat-input-area textarea {
  flex: 1;
  min-height: 44px;
  max-height: 120px;
  resize: none;
}

#chat-input-area .btn { width: auto; padding: 8px 18px; }

/* ── Event log ───────────────────────────────────────────────── */
#event-log {
  flex: 1;
  overflow-y: auto;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 11.5px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

#event-log::-webkit-scrollbar { width: 4px; }
#event-log::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.log-entry {
  padding: 3px 7px;
  border-radius: 5px;
  border-left: 3px solid transparent;
  line-height: 1.5;
}

.log-entry .log-time { color: var(--text-muted); margin-right: 5px; }
.log-entry .log-evt  { font-weight: 700; margin-right: 5px; }

.log-entry.info    { border-color: var(--accent);  background: rgba(79,142,247,.07); }
.log-entry.success { border-color: var(--green);   background: rgba(46,204,113,.07); }
.log-entry.warning { border-color: var(--yellow);  background: rgba(241,196,15,.07); }
.log-entry.error   { border-color: var(--red);     background: rgba(231,76,60,.07); }
.log-entry.msg-in  { border-color: var(--purple);  background: rgba(155,89,182,.07); }
.log-entry.msg-out { border-color: var(--orange);  background: rgba(230,126,34,.07); }
.log-entry.sys     { border-color: var(--text-muted); background: transparent; }

.log-entry.info    .log-evt { color: var(--accent); }
.log-entry.success .log-evt { color: var(--green); }
.log-entry.warning .log-evt { color: var(--yellow); }
.log-entry.error   .log-evt { color: var(--red); }
.log-entry.msg-in  .log-evt { color: var(--purple); }
.log-entry.msg-out .log-evt { color: var(--orange); }
.log-entry.sys     .log-evt { color: var(--text-muted); }

.log-detail { color: var(--text); }

#log-controls {
  border-top: 1px solid var(--border);
  padding: 8px 10px;
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* ── Presence badges ─────────────────────────────────────────── */
#presence-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
}

.presence-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 8px;
  margin-bottom: 4px;
  background: var(--surface2);
  font-size: 12px;
}
.presence-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.presence-dot.on  { background: var(--green); box-shadow: 0 0 5px var(--green); }
.presence-dot.off { background: var(--text-muted); }

/* ── Badge ───────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
  text-transform: uppercase;
}
.badge-green  { background: rgba(46,204,113,.2);  color: var(--green); }
.badge-red    { background: rgba(231,76,60,.2);   color: var(--red); }
.badge-blue   { background: rgba(79,142,247,.2);  color: var(--accent); }
.badge-orange { background: rgba(230,126,34,.2);  color: var(--orange); }

/* ── PHP info block ──────────────────────────────────────────── */
#php-info {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 11.5px;
  line-height: 1.8;
}
#php-info .pi-row { display: flex; justify-content: space-between; gap: 10px; }
#php-info .pi-key { color: var(--text-muted); }
#php-info .pi-val { color: var(--accent); font-weight: 600; font-family: monospace; }

/* ── Empty state ─────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  padding: 20px 10px;
}

/* ── Scrollbar global ────────────────────────────────────────── */
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.bubble-wrap, .log-entry { animation: fadeIn .15s ease; }

@keyframes pulse {
  0%, 100% { opacity: 1; } 50% { opacity: .4; }
}
.typing-dots { animation: pulse 1.2s infinite; }

/* ══════════════════════════════════════════════
   ATTACHMENT STYLES
══════════════════════════════════════════════ */

/* ── Pending attachment strip (above chat input) ── */
#attachment-preview-strip {
  border-top: 1px solid var(--border);
  padding: 8px 12px;
  display: none;
  flex-wrap: wrap;
  gap: 8px;
  background: var(--surface2);
}

.pending-thumb {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px 6px 8px;
  font-size: 12px;
  max-width: 220px;
}

.pending-thumb img {
  width: 38px;
  height: 38px;
  object-fit: cover;
  border-radius: 5px;
  flex-shrink: 0;
}

.pending-thumb .thumb-icon {
  width: 38px;
  height: 38px;
  border-radius: 5px;
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.pending-thumb .thumb-info { flex: 1; overflow: hidden; }
.pending-thumb .thumb-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
  font-weight: 600;
  max-width: 120px;
}
.pending-thumb .thumb-size { color: var(--text-muted); font-size: 11px; }

.pending-thumb .btn-remove-thumb {
  background: var(--red);
  border: none;
  color: #fff;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 11px;
  cursor: pointer;
  line-height: 18px;
  text-align: center;
  flex-shrink: 0;
  padding: 0;
}

/* Upload progress bar */
.upload-progress {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 4px;
}
.upload-progress-bar {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width .2s;
  border-radius: 2px;
}

/* ── Attachment inside chat bubbles ── */
.attach-image-wrap {
  margin-top: 6px;
  border-radius: 10px;
  overflow: hidden;
  max-width: 260px;
  cursor: pointer;
}
.attach-image-wrap img {
  width: 100%;
  display: block;
  border-radius: 10px;
  transition: opacity .2s;
}
.attach-image-wrap img:hover { opacity: .88; }

.attach-file-card {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  background: rgba(0,0,0,.25);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  text-decoration: none;
  color: var(--text);
  transition: background .2s;
  max-width: 260px;
}
.attach-file-card:hover { background: rgba(79,142,247,.12); }

.attach-file-icon {
  font-size: 26px;
  flex-shrink: 0;
}
.attach-file-info { overflow: hidden; }
.attach-file-name {
  font-weight: 600;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 170px;
}
.attach-file-size { font-size: 11px; color: var(--text-muted); }

/* Video player in bubble */
.attach-video {
  width: 100%;
  max-width: 260px;
  border-radius: 10px;
  margin-top: 6px;
  display: block;
}

/* Audio player in bubble */
.attach-audio {
  width: 100%;
  max-width: 260px;
  margin-top: 6px;
}

/* ── Paperclip button ── */
#btn-attach {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 8px;
  padding: 0 12px;
  font-size: 18px;
  cursor: pointer;
  transition: color .2s, background .2s;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
#btn-attach:hover { color: var(--accent); background: var(--surface); }

/* ── Lightbox overlay ── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}
#lightbox.active { display: flex; }
#lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 10px;
  box-shadow: 0 8px 40px rgba(0,0,0,.8);
}