/* ── Frankenbot Minimal Design v4 - Apple Liquid Glass Aesthetic ──────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Dark Mode - Aufgehelltes Schwarz */
  --bg-base:        #0f0f0f;
  --bg-surface:     #1a1a1a;
  --bg-elevated:    #242424;
  --bg-hover:       #2e2e2e;
  --bg-glass:       rgba(26,26,26,.8);
  
  /* Accent - Electric Blue (Dark Mode) */
  --accent:         #0a84ff;
  --accent-light:   #409cff;
  --accent-dim:     #0070e0;
  --accent-glow:    rgba(10,132,255,.2);
  
  /* Neutrals Only */
  --text-primary:   #ffffff;
  --text-secondary: #a0a0a0;
  --text-muted:     #606060;
  
  /* Minimal Borders - Almost Invisible */
  --border:         rgba(255,255,255,.08);
  --border-accent:  rgba(10,132,255,.3);
  --shadow:         0 30px 60px rgba(0,0,0,.5);
  --shadow-sm:      0 2px 20px rgba(0,0,0,.3);
  
  /* Code/Pre Text - Zartes helles Grau für Dark Mode */
  --code-text:      #d4d4d4;
  
  /* Subtle Radius */
  --radius:         20px;
  --radius-sm:      12px;
  
  /* Glass Blur */
  --blur:           blur(40px) saturate(180%);
  
  /* Fast Transitions */
  --transition:     .2s cubic-bezier(.4,0,.2,1);
}

/* ── Light Mode - Hell mit roten Akzenten ──────────────────────────────────── */

[data-theme="light"] {
  /* Light Mode Base - Helle Grautöne */
  --bg-base:        #f5f5f5;
  --bg-surface:     #ffffff;
  --bg-elevated:    #fafafa;
  --bg-hover:       #f0f0f0;
  --bg-glass:       rgba(255,255,255,.85);
  
  /* Accent - Rot (Light Mode) */
  --accent:         #ef4444;
  --accent-light:   #f87171;
  --accent-dim:     #dc2626;
  --accent-glow:    rgba(239,68,68,.2);
  
  /* Text Colors - Inverted */
  --text-primary:   #171717;
  --text-secondary: #525252;
  --text-muted:     #a3a3a3;
  
  /* Borders - Dunklere Borders für Light Mode */
  --border:         rgba(0,0,0,.1);
  --border-accent:  rgba(239,68,68,.3);
  --shadow:         0 30px 60px rgba(0,0,0,.1);
  --shadow-sm:      0 2px 20px rgba(0,0,0,.05);
  
  /* Code/Pre Text - Dunkles Grau für Light Mode */
  --code-text:      #404040;
}

/* ── Reset & Base ─────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.011em;
}

/* ── Material Icons Support ───────────────────────────────────────────────── */

.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  display: inline-block;
  line-height: 1;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  vertical-align: middle;
}

/* Brand Icon - Roboter */
.navbar-brand .brand-icon {
  font-size: 28px;
  margin-right: .5rem;
  color: var(--accent);
  display: inline-block !important;
}

/* Hide Emoji Spans in Navigation (werden durch Material Icons ersetzt) */
.nav-link span:first-child:not(.material-icons) {
  display: none !important;
}

/* ── Scrollbar ────────────────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Navbar - Liquid Glass ────────────────────────────────────────────────── */

.navbar {
  background: var(--bg-glass) !important;
  border: none;
  border-bottom: 1px solid var(--border);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand {
  font-weight: 600;
  font-size: 17px;
  color: var(--text-primary) !important;
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: opacity var(--transition);
}

.navbar-brand:hover {
  opacity: .7;
}

.nav-link {
  color: var(--text-secondary) !important;
  font-size: 14px;
  font-weight: 500;
  padding: .5rem .75rem !important;
  border-radius: 8px;
  transition: all var(--transition);
  letter-spacing: -0.01em;
}

.nav-link:hover {
  color: var(--text-primary) !important;
  background: var(--bg-elevated);
}

.nav-link.active {
  color: var(--accent) !important;
  background: rgba(10,132,255,.1);
}

/* ── Page Header - Minimal ────────────────────────────────────────────────── */

.page-header {
  padding: 3rem 0 2rem;
  margin-bottom: 2rem;
  border: none;
}

.page-header h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: .5rem;
  color: var(--text-primary);
}

.page-header p {
  color: var(--text-secondary);
  font-size: 15px;
  margin: 0;
  font-weight: 400;
}

/* ── Cards - Glass Morphism ───────────────────────────────────────────────── */

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
  transition: all var(--transition);
  overflow: hidden;
  backdrop-filter: var(--blur);
}

.card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card-header {
  background: var(--bg-elevated) !important;
  border-bottom: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
  padding: 1rem 1.5rem;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
}

/* Colored headers - minimal palette */
.card-header.bg-primary  { background: rgba(10,132,255,.15) !important; border-bottom-color: var(--border-accent) !important; color: var(--accent) !important; }
.card-header.bg-success  { background: rgba(50,215,75,.15) !important; border-bottom-color: rgba(50,215,75,.3) !important; color: #32d74b !important; }
.card-header.bg-warning  { background: rgba(255,214,10,.15) !important; border-bottom-color: rgba(255,214,10,.3) !important; color: #ffd60a !important; }
.card-header.bg-danger   { background: rgba(255,69,58,.15) !important; border-bottom-color: rgba(255,69,58,.3) !important; color: #ff453a !important; }
.card-header.bg-info     { background: rgba(100,210,255,.15) !important; border-bottom-color: rgba(100,210,255,.3) !important; color: #64d2ff !important; }
.card-header.bg-secondary,
.card-header.bg-dark     { background: var(--bg-elevated) !important; }

.card-body { padding: 1.5rem; }

.card-footer {
  background: transparent !important;
  border-top: 1px solid var(--border) !important;
  padding: 1rem 1.5rem;
}

/* ── Stat Cards - Ultra Minimal ───────────────────────────────────────────── */

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
}

.stat-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.stat-card .stat-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: .75rem;
  letter-spacing: -0.04em;
}

.stat-card .stat-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  font-weight: 600;
}

/* ── Buttons - Apple Style ────────────────────────────────────────────────── */

.btn {
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 14px;
  padding: .625rem 1.25rem;
  transition: all var(--transition);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 10px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateY(-1px);
  color: #fff;
}

.btn-success {
  background: #32d74b;
  color: #000;
}
.btn-success:hover {
  background: #30db75;
  transform: translateY(-1px);
  color: #000;
}

.btn-danger {
  background: #ff453a;
  color: #fff;
}
.btn-danger:hover {
  background: #ff6961;
  transform: translateY(-1px);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.btn-info {
  background: #64d2ff;
  color: #000;
}
.btn-info:hover {
  background: #70d7ff;
  transform: translateY(-1px);
  color: #000;
}

.btn-warning {
  background: #ffd60a;
  color: #000;
}
.btn-warning:hover {
  background: #ffdf00;
  transform: translateY(-1px);
  color: #000;
}

.btn-outline-primary {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}
.btn-outline-primary:hover {
  background: rgba(10,132,255,.1);
  color: var(--accent);
}

.btn-outline-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline-secondary:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-sm { padding: .5rem 1rem; font-size: 13px; }
.btn-lg { padding: .75rem 1.5rem; font-size: 16px; }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none !important; }

/* ── Forms - Clean & Minimal ──────────────────────────────────────────────── */

.form-control,
.form-select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: .75rem 1rem;
  font-size: 15px;
  transition: all var(--transition);
}

.form-control:focus,
.form-select:focus {
  background: var(--bg-elevated);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(10,132,255,.1);
  color: var(--text-primary);
  outline: none;
}

.form-control::placeholder { color: var(--text-muted); }
.form-label {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: .5rem;
}
.form-select option { background: var(--bg-elevated); }
textarea.form-control { resize: vertical; min-height: 100px; }

/* ── Tables - Minimal Grid ────────────────────────────────────────────────── */

.table {
  color: var(--text-primary);
  margin-bottom: 0;
}

.table th {
  border-top: none;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  padding: 1rem;
  background: transparent;
}

.table td {
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  vertical-align: middle;
  color: var(--text-secondary);
  font-size: 14px;
}

.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* ── Badges - Subtle & Clean ──────────────────────────────────────────────── */

.badge {
  padding: .4em .75em;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.bg-primary   { background: rgba(10,132,255,.2) !important; color: var(--accent) !important; }
.bg-success   { background: rgba(50,215,75,.2) !important; color: #32d74b !important; }
.bg-warning   { background: rgba(255,214,10,.2) !important; color: #ffd60a !important; }
.bg-danger    { background: rgba(255,69,58,.2) !important; color: #ff453a !important; }
.bg-info      { background: rgba(100,210,255,.2) !important; color: #64d2ff !important; }
.bg-secondary { background: rgba(160,160,160,.2) !important; color: var(--text-secondary) !important; }
.bg-dark      { background: rgba(255,255,255,.1) !important; color: var(--text-secondary) !important; }

/* ── Alerts ───────────────────────────────────────────────────────────────── */

.alert {
  border-radius: var(--radius-sm);
  border: 1px solid;
  font-size: 14px;
  padding: 1rem 1.25rem;
  backdrop-filter: var(--blur);
}

.alert-success  { background: rgba(50,215,75,.1); border-color: rgba(50,215,75,.3); color: #32d74b; }
.alert-danger   { background: rgba(255,69,58,.1); border-color: rgba(255,69,58,.3); color: #ff453a; }
.alert-warning  { background: rgba(255,214,10,.1); border-color: rgba(255,214,10,.3); color: #ffd60a; }
.alert-info     { background: rgba(100,210,255,.1); border-color: rgba(100,210,255,.3); color: #64d2ff; }

/* ── Chat ─────────────────────────────────────────────────────────────────── */

.chat-container {
  max-height: 600px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: .5rem 0;
}

.chat-message {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  border-left: 2px solid var(--accent);
  transition: border-color var(--transition);
}
.chat-message:hover { border-left-color: var(--accent-light); }

.chat-prompt {
  background: var(--bg-elevated);
  border-radius: 8px;
  padding: .75rem 1rem;
  margin-bottom: .75rem;
  color: var(--text-primary);
  font-size: 14px;
}

.chat-response {
  background: rgba(10,132,255,.05);
  border: 1px solid rgba(10,132,255,.15);
  border-radius: 8px;
  padding: .75rem 1rem;
  color: var(--text-primary);
  font-size: 14px;
  white-space: pre-wrap;
  line-height: 1.6;
}

.chat-timestamp {
  color: var(--text-muted);
  font-size: 12px;
  margin-bottom: .5rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ── List Group ───────────────────────────────────────────────────────────── */

.list-group-item {
  background: var(--bg-surface);
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  padding: 1rem 1.25rem;
  transition: background var(--transition);
}
.list-group-item:last-child { border-bottom: none; }
.list-group-item-action:hover { background: var(--bg-elevated); }

/* ── Modal ────────────────────────────────────────────────────────────────── */

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  box-shadow: 0 40px 100px rgba(0,0,0,.7);
  backdrop-filter: var(--blur);
}

.modal-header {
  border-bottom: 1px solid var(--border);
  background: transparent;
  padding: 1.25rem 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--border);
  background: transparent;
}

.modal-backdrop { backdrop-filter: blur(10px); }
.btn-close { filter: invert(1) opacity(.5); }

/* ── Footer ───────────────────────────────────────────────────────────────── */

footer {
  margin-top: 80px;
  padding: 2rem 0;
  background: transparent;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* ── File Items ───────────────────────────────────────────────────────────── */

.file-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: all var(--transition);
  margin-bottom: .75rem;
}
.file-item:last-child { margin-bottom: 0; }
.file-item:hover { background: var(--bg-hover); border-color: var(--border-accent); }
.file-icon { font-size: 1.25rem; flex-shrink: 0; }
.file-name { flex: 1; font-size: 14px; color: var(--text-primary); font-weight: 500; }
.file-meta { font-size: 12px; color: var(--text-muted); }
.file-actions { display: flex; gap: .5rem; }

/* ── Status / Email Log ───────────────────────────────────────────────────── */

.status-replied  { color: #32d74b; font-weight: 600; }
.status-skipped  { color: var(--text-muted); }
.status-error    { color: #ff453a; font-weight: 600; }
.response-preview {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 60px;
  overflow: hidden;
}

/* ── Typography ───────────────────────────────────────────────────────────── */

h1, h2, h3, h4 { letter-spacing: -0.02em; font-weight: 600; }
h1 { font-size: 32px; }
h2 { font-size: 24px; }
h3 { font-size: 18px; color: var(--text-secondary); }
h4 { font-size: 16px; }

/* ── Misc Utilities ───────────────────────────────────────────────────────── */

.text-muted     { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.bg-light       { background: var(--bg-elevated) !important; }

/* Code & Pre - Lesbar in beiden Modi */
pre, code {
  background: var(--bg-elevated);
  color: var(--code-text);
  border-radius: 8px;
  padding: .2em .5em;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  border: 1px solid var(--border);
}

pre {
  padding: 1.25rem;
  overflow-x: auto;
  line-height: 1.6;
}

hr { border-color: var(--border); opacity: 1; }

.font-monospace { font-family: 'JetBrains Mono', monospace !important; font-size: 13px !important; }

/* ── Streaming Indicator ──────────────────────────────────────────────────── */

.streaming-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.5s ease-in-out infinite;
  margin-left: .5rem;
}
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:.3;} }

/* ── Agent Color System - Minimal ─────────────────────────────────────────── */

:root {
  --agent-orchestrator: #0a84ff;
  --agent-researcher:   #32d74b;
  --agent-negotiator:   #ff453a;
  --agent-ar_manager:   #ffd60a;
  --agent-default:      #64d2ff;
}

.agent-orchestrator { color: var(--agent-orchestrator) !important; }
.agent-researcher { color: var(--agent-researcher) !important; }
.agent-negotiator { color: var(--agent-negotiator) !important; }
.agent-ar_manager { color: var(--agent-ar_manager) !important; }

.agent-border-orchestrator { border-left: 2px solid var(--agent-orchestrator); }
.agent-border-researcher { border-left: 2px solid var(--agent-researcher); }
.agent-border-negotiator { border-left: 2px solid var(--agent-negotiator); }
.agent-border-ar_manager { border-left: 2px solid var(--agent-ar_manager); }

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .page-header { padding: 2rem 0 1.5rem; }
  .page-header h1 { font-size: 24px; }
  .stat-card .stat-number { font-size: 36px; }
}