/* ==========================================================================
   WhatsApp RAG & Holographic Hermes Dashboard System - Pure Vanilla CSS
   ========================================================================== */

:root {
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);

  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);

  --accent-indigo: #6366f1;
  --accent-purple: #a855f7;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.15);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(168, 85, 247, 0.12) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Glassmorphism Utilities */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.36);
}

/* AUTH / LOGIN OVERLAY */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.auth-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  padding: 2.5rem;
  box-shadow: 0 0 50px rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.3);
  animation: modalSlideUp 0.4s ease forwards;
}

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-icon-wrapper {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.brand-icon {
  width: 32px;
  height: 32px;
  color: #fff;
}

.auth-header h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.input-group {
  margin-bottom: 1.25rem;
}

.input-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.input-group input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.input-group input:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.password-wrapper {
  position: relative;
}

.btn-toggle-pwd {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
}

.auth-error {
  padding: 0.75rem 1rem;
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.3);
  border-radius: var(--radius-sm);
  color: var(--accent-rose);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.auth-error.hidden { display: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
  color: #fff;
  border: none;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-block { width: 100%; }

.auth-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
}

/* APP CONTAINER */
.app-container {
  display: flex;
  min-height: 100vh;
}

.app-container.hidden { display: none; }

/* SIDEBAR */
.sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
}

.sidebar-header {
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  color: var(--accent-indigo);
}

.logo-text .title {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-text .subtitle {
  display: block;
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.15), transparent);
  color: var(--accent-indigo);
  border-left: 3px solid var(--accent-indigo);
}

.sidebar-footer {
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.user-name {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
}

.user-role {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-icon:hover { color: var(--accent-rose); }

/* MAIN CONTENT */
.main-content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.header-title h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
}

.header-title p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.system-status-pill {
  padding: 0.5rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.2); }
  100% { opacity: 1; transform: scale(1); }
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* STATS GRID */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  padding: 1.5rem;
}

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

.stat-title {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon.purple { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple); }
.stat-icon.blue { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.stat-icon.green { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.stat-icon.emerald { background: rgba(99, 102, 241, 0.15); color: var(--accent-indigo); }

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-change {
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.stat-change.positive { color: var(--accent-emerald); }

/* DASHBOARD GRID */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1.5rem;
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge {
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.green { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.badge.blue { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.badge.purple { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple); }

.card-body {
  padding: 1.5rem;
}

/* LOG STREAM */
.log-stream {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 380px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.log-entry {
  padding: 0.75rem 1rem;
  background: rgba(15, 23, 42, 0.6);
  border-left: 3px solid var(--accent-indigo);
  border-radius: 4px;
}

.log-entry.incoming { border-left-color: var(--accent-cyan); }
.log-entry.outgoing { border-left-color: var(--accent-purple); }

.log-entry .time { color: var(--text-muted); font-size: 0.75rem; margin-right: 0.5rem; }
.log-entry .sender { font-weight: 600; color: var(--text-primary); margin-right: 0.5rem; }

/* RAG CHUNKS GRID */
.search-bar-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.search-bar-wrapper input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  outline: none;
  font-size: 0.95rem;
}

.filter-chips {
  display: flex;
  gap: 0.5rem;
}

.chip {
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.chip.active, .chip:hover {
  background: var(--accent-indigo);
  color: #fff;
  border-color: var(--accent-indigo);
}

.rag-chunks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.chunk-card {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.chunk-text {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  white-space: pre-wrap;
  margin-bottom: 1rem;
  max-height: 160px;
  overflow-y: auto;
}

.chunk-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
}

/* CODE PREVIEW */
.code-preview {
  background: #06090e;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #38bdf8;
  max-height: 420px;
  overflow: auto;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* CHAT / HERMES PLAYGROUND */
.chat-layout {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 180px);
}

.chat-messages {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.chat-bubble {
  max-width: 80%;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  position: relative;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-bubble.bot {
  align-self: flex-start;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-bottom-left-radius: 4px;
}

.chat-bubble.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
  color: #fff;
  border-bottom-right-radius: 4px;
}

.sender-tag {
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent-cyan);
}

.chat-bubble.user .sender-tag { color: rgba(255, 255, 255, 0.8); }

.time-tag {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  text-align: right;
}

.chat-input-area {
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.chat-input-area form {
  display: flex;
  gap: 0.75rem;
}

.chat-input-area input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
}

/* TAB VISIBILITY */
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease; }

/* SYSTEM INFO LIST */
.info-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.info-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.info-item .label { color: var(--text-secondary); }
.info-item .value { font-weight: 500; font-family: var(--font-mono); }

.badge-status.online {
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.cmd-block {
  background: #06090e;
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: 1rem;
  border: 1px solid var(--border-color);
}

.cmd-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.btn-copy {
  background: none;
  border: none;
  color: var(--accent-cyan);
  cursor: pointer;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.cmd-block code {
  font-family: var(--font-mono);
  color: var(--accent-emerald);
  font-size: 0.9rem;
}

.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.p-0 { padding: 0; }