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

:root {
  --bg-primary: #313338;
  --bg-secondary: #2b2d31;
  --bg-tertiary: #1e1f22;
  --bg-accent: #5865f2;
  --bg-accent-hover: #4752c4;
  --bg-modifier-hover: rgba(79,84,92,0.16);
  --bg-modifier-active: rgba(79,84,92,0.24);
  --bg-modifier-selected: rgba(79,84,92,0.32);
  --bg-floating: #111214;
  --text-normal: #dbdee1;
  --text-muted: #949ba4;
  --text-link: #00a8fc;
  --header-primary: #f2f3f5;
  --header-secondary: #b5bac1;
  --channel-default: #80848e;
  --input-background: #383a40;
  --danger: #f23f42;
  --success: #23a55a;
  --warning: #f0b232;
  --brand: #5865f2;
  --scrollbar-thin-thumb: #1a1b1e;
  --scrollbar-thin-track: #2b2d31;
  --shadow-low: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-medium: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-high: 0 8px 32px rgba(0,0,0,0.5);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition-fast: 0.1s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s cubic-bezier(0.2, 0, 0, 1);
  --font-display: 'gg sans', 'Noto Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-code: 'Consolas', 'Andale Mono', monospace;
}

body {
  font-family: var(--font-display);
  background: var(--bg-primary);
  color: var(--text-normal);
  overflow: hidden;
  height: 100vh;
  user-select: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

#app { height: 100vh; display: flex; }

::-webkit-scrollbar { width: 8px; background: transparent; }
::-webkit-scrollbar-track { background: var(--scrollbar-thin-track); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thin-thumb); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #1f2023; }

/* ===================== SERVER SIDEBAR ===================== */
.server-sidebar {
  width: 72px; min-width: 72px;
  background: var(--bg-tertiary);
  display: flex; flex-direction: column;
  align-items: center;
  padding-top: 12px;
  overflow-y: auto;
  overflow-x: hidden;
}
.server-sidebar::-webkit-scrollbar { width: 0; }

.server-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--bg-primary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; margin-bottom: 8px;
  color: var(--header-secondary);
  transition: border-radius var(--transition-slow), background var(--transition-normal), color var(--transition-normal), transform var(--transition-fast);
  position: relative;
}
.server-icon:hover { border-radius: var(--radius-lg); background: var(--bg-accent); color: #fff; transform: scale(1.05); }
.server-icon.active { border-radius: var(--radius-lg); background: var(--bg-accent); color: #fff; }
.server-icon.active::before {
  content: ''; position: absolute; left: -16px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 36px; background: #fff; border-radius: 0 4px 4px 0;
  animation: pillGrow 0.2s ease;
}
@keyframes pillGrow { from { height: 0; } to { height: 36px; } }

.server-icon img { width: 48px; height: 48px; border-radius: inherit; object-fit: cover; }
.server-icon .server-letter { font-size: 18px; font-weight: 600; }
.server-icon:hover .server-letter, .server-icon.active .server-letter { color: #fff; }

.server-divider { width: 32px; height: 2px; background: var(--bg-modifier-hover); margin-bottom: 8px; border-radius: 1px; }
.add-server { color: var(--success) !important; }
.add-server:hover { background: var(--success) !important; color: #fff !important; }
.join-server { color: var(--success) !important; }
.join-server:hover { background: var(--success) !important; color: #fff !important; }
.home-icon:hover, .home-icon.active { background: var(--bg-accent); color: #fff; }

/* Tooltip */
.server-icon .tooltip {
  display: none; position: absolute; left: 68px; top: 50%; transform: translateY(-50%);
  background: var(--bg-floating); color: var(--header-primary);
  padding: 8px 12px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; white-space: nowrap;
  box-shadow: var(--shadow-high); z-index: 999;
  pointer-events: none;
}
.server-icon .tooltip::before {
  content: ''; position: absolute; left: -4px; top: 50%; transform: translateY(-50%);
  border: 4px solid transparent; border-right-color: var(--bg-floating);
}
.server-icon:hover .tooltip { display: block; animation: fadeIn 0.1s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-50%) translateX(4px); } to { opacity: 1; transform: translateY(-50%) translateX(0); } }

/* ===================== CHANNEL SIDEBAR ===================== */
.channel-sidebar {
  width: 240px; min-width: 240px;
  background: var(--bg-secondary);
  display: flex; flex-direction: column;
}
.home-sidebar { display: flex; }

.server-header {
  height: 48px; padding: 0 16px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 2px solid rgba(0,0,0,0.24);
  font-weight: 600; font-size: 15px; color: var(--header-primary);
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(0,0,0,0.2);
  transition: background var(--transition-normal);
}
.server-header:hover { background: rgba(0,0,0,0.1); }

.channel-list { flex: 1; overflow-y: auto; padding: 0 0 8px; }

.channel-category {
  padding: 16px 16px 4px 16px;
  font-size: 12px; font-weight: 700;
  color: var(--channel-default);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer;
}
.channel-category:hover { color: var(--header-primary); }
.channel-category .add-ch {
  opacity: 0; font-size: 18px; cursor: pointer;
  transition: opacity var(--transition-fast);
}
.channel-category:hover .add-ch { opacity: 1; }

.channel-item {
  display: flex; align-items: center;
  padding: 6px 8px; margin: 1px 8px;
  border-radius: var(--radius-sm); cursor: pointer;
  color: var(--channel-default);
  font-size: 15px; font-weight: 500;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.channel-item:hover { background: var(--bg-modifier-hover); color: var(--text-normal); }
.channel-item.active { background: var(--bg-modifier-selected); color: #fff; }
.channel-item .ch-icon { margin-right: 6px; font-size: 18px; width: 20px; text-align: center; opacity: 0.7; }
.channel-item.active .ch-icon { opacity: 1; }
.channel-item .unread-badge {
  margin-left: auto; background: var(--danger);
  color: #fff; font-size: 11px; font-weight: 700;
  padding: 0 5px; border-radius: 8px; min-width: 16px; text-align: center;
  line-height: 16px;
}

/* Home nav */
.home-nav { display: flex; padding: 8px 8px 0; gap: 4px; }
.home-nav-btn {
  flex: 1; padding: 6px 8px; border: none; border-radius: var(--radius-sm);
  background: transparent; color: var(--channel-default);
  cursor: pointer; font-size: 13px; font-weight: 500;
  transition: all var(--transition-fast);
}
.home-nav-btn:hover { color: var(--text-normal); background: var(--bg-modifier-hover); }
.home-nav-btn.active { background: var(--bg-modifier-selected); color: #fff; }

/* ===================== USER PANEL ===================== */
.user-panel {
  height: 52px; background: rgba(17,18,20,0.4);
  display: flex; align-items: center; padding: 0 8px;
  backdrop-filter: blur(2px);
}
.user-panel-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-accent), #7289da);
  margin-right: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; color: #fff;
  overflow: hidden; flex-shrink: 0;
}
.user-panel-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.user-panel-info { flex: 1; min-width: 0; }
.user-panel-name { display: block; font-size: 13px; font-weight: 600; color: var(--header-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-panel-status { display: block; font-size: 11px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-panel-actions button {
  background: none; border: none; color: var(--text-muted); cursor: pointer;
  font-size: 18px; padding: 4px; border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.user-panel-actions button:hover { color: var(--text-normal); background: var(--bg-modifier-hover); }

/* ===================== MAIN CONTENT ===================== */
.main-content { flex: 1; display: flex; flex-direction: column; min-width: 0; position: relative; }

.content-header {
  height: 48px; padding: 0 16px;
  display: flex; align-items: center;
  border-bottom: 2px solid rgba(0,0,0,0.24);
  font-weight: 600; font-size: 15px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.1);
  background: var(--bg-primary);
  z-index: 2;
}
.content-header .ch-hash {
  color: var(--channel-default); margin-right: 8px; font-size: 22px;
}
.channel-topic { color: var(--text-muted); font-weight: 400; font-size: 13px; margin-left: 16px; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.header-actions { margin-left: auto; display: flex; gap: 4px; }
.header-actions button {
  background: none; border: none; color: var(--channel-default); cursor: pointer;
  font-size: 18px; padding: 4px 8px; border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.header-actions button:hover { color: var(--text-normal); background: var(--bg-modifier-hover); }

/* ===================== MESSAGES ===================== */
.messages-container { flex: 1; overflow-y: auto; padding: 16px 0 0; display: flex; flex-direction: column; }

.message-group {
  padding: 2px 48px 2px 72px;
  display: flex; position: relative;
  min-height: 24px;
  transition: background var(--transition-fast);
}
.message-group:hover { background: rgba(0,0,0,0.06); }
.message-group:hover .msg-actions { opacity: 1; }
.message-group:hover .msg-timestamp-hover { display: inline; }
.message-group.is-header { margin-top: 16px; padding-top: 4px; }

.msg-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  margin-right: 16px; margin-left: -72px;
  background: linear-gradient(135deg, var(--bg-accent), #7289da);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; color: #fff;
  flex-shrink: 0; cursor: pointer;
  overflow: hidden;
  transition: opacity var(--transition-fast);
}
.msg-avatar:hover { opacity: 0.85; }
.msg-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }

.msg-content { flex: 1; min-width: 0; }
.msg-header { display: flex; align-items: baseline; gap: 8px; }
.msg-author { font-weight: 600; cursor: pointer; font-size: 15px; transition: text-decoration var(--transition-fast); }
.msg-author:hover { text-decoration: underline; }
.msg-timestamp { font-size: 11px; color: var(--text-muted); }
.msg-timestamp-hover { font-size: 11px; color: var(--text-muted); display: none; }
.msg-edited { font-size: 11px; color: var(--text-muted); font-style: italic; }

.msg-text {
  font-size: 15px; line-height: 1.375; word-wrap: break-word; margin-top: 2px;
  color: var(--text-normal);
}
.msg-text code {
  background: var(--bg-tertiary); padding: 2px 4px; border-radius: 3px;
  font-family: var(--font-code); font-size: 13px;
}
.msg-text pre {
  background: var(--bg-tertiary); padding: 12px; border-radius: var(--radius-sm);
  border: 1px solid rgba(0,0,0,0.2); margin: 4px 0; overflow-x: auto;
}
.msg-text pre code { background: none; padding: 0; }
.msg-text strong { font-weight: 700; color: var(--header-primary); }
.msg-text em { font-style: italic; }
.msg-text a { color: var(--text-link); text-decoration: none; }
.msg-text a:hover { text-decoration: underline; cursor: pointer; }

.msg-attachment { margin-top: 8px; }
.msg-attachment img {
  max-width: 400px; max-height: 300px; border-radius: var(--radius-md);
  cursor: pointer; transition: transform var(--transition-fast);
  border: 1px solid rgba(0,0,0,0.1);
}
.msg-attachment img:hover { transform: scale(1.02); }
.msg-attachment a { color: var(--text-link); font-size: 14px; }
.msg-attachment a:hover { text-decoration: underline; }

.msg-actions {
  position: absolute; right: 16px; top: -16px;
  display: flex; background: var(--bg-primary); border-radius: var(--radius-sm);
  border: 1px solid rgba(0,0,0,0.2);
  box-shadow: var(--shadow-low);
  opacity: 0; transition: opacity var(--transition-fast);
  z-index: 5;
}
.msg-actions button {
  background: none; border: none; padding: 6px 8px;
  color: var(--text-muted); cursor: pointer; font-size: 16px;
  transition: all var(--transition-fast);
}
.msg-actions button:hover { color: var(--text-normal); background: var(--bg-modifier-hover); }

.msg-reactions { display: flex; gap: 4px; margin-top: 6px; flex-wrap: wrap; }
.reaction-chip {
  display: flex; align-items: center; gap: 4px;
  background: var(--bg-modifier-hover);
  border-radius: 6px; padding: 2px 8px;
  cursor: pointer; font-size: 14px;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}
.reaction-chip:hover { border-color: rgba(88,101,242,0.4); background: var(--bg-modifier-active); }
.reaction-chip.mine { background: rgba(88,101,242,0.15); border-color: var(--bg-accent); }
.reaction-chip .count { font-size: 12px; color: var(--text-normal); font-weight: 500; }

/* ===================== MESSAGE INPUT ===================== */
.message-input-area {
  padding: 0 16px 24px;
  display: flex; align-items: flex-end;
  position: relative;
}
.attach-btn, .send-btn {
  background: none; border: none; color: var(--channel-default);
  cursor: pointer; font-size: 20px; padding: 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.attach-btn:hover, .send-btn:hover { color: var(--text-normal); background: var(--bg-modifier-hover); }

#message-input, #dm-input {
  flex: 1; background: var(--input-background);
  border: none; border-radius: var(--radius-md);
  padding: 11px 16px; color: var(--text-normal);
  font-size: 14px; font-family: var(--font-display);
  outline: none; transition: box-shadow var(--transition-fast);
}
#message-input:focus, #dm-input:focus { box-shadow: 0 0 0 2px var(--bg-accent); }
#message-input::placeholder, #dm-input::placeholder { color: var(--text-muted); }

.typing-indicator {
  padding: 2px 16px 4px;
  font-size: 12px; color: var(--text-muted);
  font-style: italic;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 0.6; } 50% { opacity: 1; } }

.file-preview { padding: 0 16px 8px; display: flex; gap: 8px; }
.file-preview-item {
  background: var(--input-background); border-radius: var(--radius-md);
  padding: 8px 12px; display: flex; align-items: center; gap: 8px;
  border: 1px solid rgba(0,0,0,0.1);
}
.file-preview-item img { width: 60px; height: 60px; border-radius: var(--radius-sm); object-fit: cover; }
.file-preview-item .remove { cursor: pointer; color: var(--text-muted); font-size: 16px; transition: color var(--transition-fast); }
.file-preview-item .remove:hover { color: var(--danger); }

/* ===================== MEMBERS SIDEBAR ===================== */
.members-sidebar {
  width: 240px; min-width: 240px;
  background: var(--bg-secondary);
  overflow-y: auto; padding: 8px 0;
}

.member-category {
  padding: 16px 8px 4px 8px;
  font-size: 12px; font-weight: 600;
  color: var(--channel-default);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.member-item {
  display: flex; align-items: center;
  padding: 6px 8px; margin: 1px 8px;
  border-radius: var(--radius-sm); cursor: pointer;
  transition: background var(--transition-fast);
}
.member-item:hover { background: var(--bg-modifier-hover); }

.member-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  margin-right: 12px;
  background: linear-gradient(135deg, var(--bg-accent), #7289da);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; color: #fff; font-size: 13px;
  position: relative; overflow: hidden; flex-shrink: 0;
}
.member-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }

.status-dot {
  width: 12px; height: 12px; border-radius: 50%;
  border: 3px solid var(--bg-secondary);
  position: absolute; bottom: -2px; right: -2px;
  transition: background var(--transition-normal);
}
.status-dot.online { background: var(--success); }
.status-dot.idle { background: var(--warning); }
.status-dot.dnd { background: var(--danger); }
.status-dot.offline { background: var(--text-muted); }

.member-info { flex: 1; min-width: 0; }
.member-name { font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: color var(--transition-fast); }
.member-item:hover .member-name { color: var(--header-primary); }
.member-role { font-size: 11px; color: var(--text-muted); }
.member-offline { opacity: 0.3; }
.member-offline:hover { opacity: 0.6; }

/* ===================== FRIENDS ===================== */
.content-view { flex: 1; display: flex; flex-direction: column; }
.friends-container { flex: 1; overflow-y: auto; padding: 24px; }
.friends-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }

.friend-card {
  background: var(--bg-secondary); border-radius: var(--radius-md);
  padding: 12px; width: 260px; display: flex; align-items: center;
  gap: 12px; cursor: pointer;
  border: 1px solid rgba(0,0,0,0.1);
  transition: all var(--transition-normal);
}
.friend-card:hover { background: var(--bg-modifier-hover); border-color: rgba(255,255,255,0.04); transform: translateY(-1px); box-shadow: var(--shadow-low); }

.friend-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-accent), #7289da);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; color: #fff; overflow: hidden; flex-shrink: 0;
}
.friend-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.friend-name { font-weight: 500; color: var(--text-normal); }
.friend-status-text { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ===================== VOICE PANEL ===================== */
.voice-panel {
  position: fixed; bottom: 0; left: 312px; right: 0;
  background: linear-gradient(180deg, var(--bg-secondary), var(--bg-tertiary));
  border-top: 1px solid rgba(0,0,0,0.3);
  padding: 10px 16px; display: flex; align-items: center; gap: 12px;
  z-index: 10; backdrop-filter: blur(8px);
}
.voice-panel .voice-info { flex: 1; }
.voice-channel-name { font-weight: 600; font-size: 13px; color: var(--header-primary); }
.voice-state { font-size: 12px; color: var(--success); display: flex; align-items: center; gap: 4px; }
.voice-state::before { content: ''; width: 8px; height: 8px; background: var(--success); border-radius: 50%; animation: pulse 1.5s infinite; }
.voice-controls { display: flex; gap: 6px; }
.voice-controls button {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--bg-tertiary); border: 1px solid rgba(255,255,255,0.04);
  color: var(--text-normal); cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
}
.voice-controls button:hover { background: var(--bg-modifier-hover); }
.voice-controls button.active { background: var(--danger); color: #fff; border-color: transparent; }

/* ===================== ROLE TAG ===================== */
.role-tag {
  font-size: 11px; padding: 1px 6px; border-radius: 3px;
  background: rgba(0,0,0,0.2); display: inline-block;
}

/* ===================== EMOJI PICKER ===================== */
.emoji-picker {
  position: absolute; bottom: 60px; right: 16px;
  background: var(--bg-floating); border-radius: var(--radius-md);
  border: 1px solid rgba(0,0,0,0.3);
  padding: 12px; width: 300px;
  display: grid; grid-template-columns: repeat(8, 1fr);
  gap: 2px; max-height: 220px; overflow-y: auto;
  z-index: 100; box-shadow: var(--shadow-high);
  animation: popIn 0.15s ease;
}
@keyframes popIn { from { opacity: 0; transform: scale(0.95) translateY(4px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.emoji-picker button {
  background: none; border: none; font-size: 22px;
  cursor: pointer; padding: 4px; border-radius: var(--radius-sm);
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.emoji-picker button:hover { background: var(--bg-modifier-hover); transform: scale(1.2); }

/* ===================== WELCOME BANNER ===================== */
.welcome-banner {
  text-align: center; padding: 48px 24px;
  border-bottom: 1px solid rgba(0,0,0,0.1);
  margin-bottom: 16px;
}
.welcome-banner h1 {
  font-size: 28px; font-weight: 700; color: var(--header-primary);
  margin-bottom: 8px;
}
.welcome-banner p { color: var(--text-muted); font-size: 14px; }

/* ===================== SYSTEM MESSAGE ===================== */
.system-message {
  padding: 4px 16px; text-align: center;
  color: var(--text-muted); font-size: 13px;
}
.system-message .icon { margin-right: 4px; }

/* ===================== DATE DIVIDER ===================== */
.date-divider {
  display: flex; align-items: center;
  padding: 8px 16px; margin: 8px 0;
  font-size: 11px; font-weight: 700;
  color: var(--text-muted);
}
.date-divider::before, .date-divider::after {
  content: ''; flex: 1; height: 1px;
  background: rgba(255,255,255,0.06);
}
.date-divider span { padding: 0 8px; text-transform: uppercase; }

/* ===================== LOADING ===================== */
.loading-spinner {
  display: flex; align-items: center; justify-content: center;
  padding: 24px; color: var(--text-muted);
}
.loading-spinner::after {
  content: ''; width: 24px; height: 24px;
  border: 3px solid var(--bg-modifier-hover);
  border-top-color: var(--bg-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }