/* ============================================================
   KISB QuickPass — Design System & Component Library
   Koerting Institute CI: Lime #CDD500, Pink #E6007E, Black #191919
   ============================================================ */

/* --- Custom Properties ------------------------------------ */
:root {
  /* Brand */
  --kisb-lime:        #CDD500;
  --kisb-pink:        #E6007E;
  --kisb-black:       #191919;

  /* Surfaces */
  --kisb-bg:          #191919;
  --kisb-card:        #222222;
  --kisb-card-hover:  #2a2a2a;

  /* Text */
  --kisb-text:        #f0f0f0;
  --kisb-text-muted:  #999999;

  /* Borders */
  --kisb-border:      #333333;

  /* Radii */
  --kisb-radius-sm:   4px;
  --kisb-radius-md:   8px;
  --kisb-radius-lg:   12px;

  /* Shadows */
  --kisb-shadow:      0 2px 8px rgba(0,0,0,.35);

  /* Transitions */
  --kisb-transition:  .2s ease;

  /* Layout */
  --nav-height:       56px;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--kisb-bg);
  color: var(--kisb-text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--kisb-lime);
  text-decoration: none;
  transition: color var(--kisb-transition);
}

a:hover {
  color: #e0e830;
}

img {
  max-width: 100%;
  display: block;
}

/* --- Typography ------------------------------------------- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--kisb-text);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }

p {
  margin-bottom: .75rem;
}

small, .text-muted {
  color: var(--kisb-text-muted);
  font-size: .85rem;
}

code, pre {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
}

pre {
  background: #1a1a1a;
  border: 1px solid var(--kisb-border);
  border-radius: var(--kisb-radius-md);
  padding: 1rem;
  overflow-x: auto;
  font-size: .85rem;
  line-height: 1.5;
}

code {
  background: rgba(205,213,0,.1);
  padding: .15em .35em;
  border-radius: var(--kisb-radius-sm);
  font-size: .9em;
}

pre code {
  background: none;
  padding: 0;
}

/* --- Navigation ------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: #111111;
  border-bottom: 1px solid var(--kisb-border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 2rem;
}

.nav-brand {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--kisb-text);
  letter-spacing: -.02em;
  display: flex;
  align-items: center;
  gap: .5rem;
  white-space: nowrap;
}

.nav-brand .brand-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kisb-lime);
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--kisb-text-muted);
  font-size: .9rem;
  font-weight: 500;
  padding: .35rem 0;
  border-bottom: 2px solid transparent;
  transition: all var(--kisb-transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--kisb-text);
  border-bottom-color: var(--kisb-lime);
}

/* --- Page Layout ------------------------------------------ */
.page {
  padding-top: calc(var(--nav-height) + 1.5rem);
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  padding-bottom: 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-header h1 {
  display: flex;
  align-items: center;
  gap: .75rem;
}

/* --- Cards ------------------------------------------------ */
.card {
  background: var(--kisb-card);
  border: 1px solid var(--kisb-border);
  border-radius: var(--kisb-radius-md);
  padding: 1.25rem;
  transition: all var(--kisb-transition);
}

.card:hover {
  background: var(--kisb-card-hover);
}

.card-clickable {
  cursor: pointer;
}

.card-clickable:hover {
  border-color: var(--kisb-lime);
  box-shadow: var(--kisb-shadow);
}

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .55rem 1.15rem;
  font-size: .9rem;
  font-weight: 600;
  border-radius: var(--kisb-radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--kisb-transition);
  font-family: inherit;
  line-height: 1.4;
  white-space: nowrap;
}

.btn:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--kisb-pink);
  color: #fff;
  border-color: var(--kisb-pink);
}

.btn-primary:hover:not(:disabled) {
  background: #cc006e;
  border-color: #cc006e;
}

.btn-secondary {
  background: transparent;
  color: var(--kisb-text);
  border-color: var(--kisb-border);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--kisb-text-muted);
  background: rgba(255,255,255,.05);
}

.btn-lime {
  background: var(--kisb-lime);
  color: var(--kisb-black);
  border-color: var(--kisb-lime);
  font-weight: 700;
}

.btn-lime:hover:not(:disabled) {
  background: #b8c000;
  border-color: #b8c000;
}

.btn-sm {
  padding: .35rem .75rem;
  font-size: .8rem;
}

.btn-icon {
  padding: .45rem;
  line-height: 1;
}

/* --- Forms / Inputs --------------------------------------- */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: .35rem;
  color: var(--kisb-text-muted);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: .55rem .75rem;
  font-size: .9rem;
  font-family: inherit;
  background: #1a1a1a;
  color: var(--kisb-text);
  border: 1px solid var(--kisb-border);
  border-radius: var(--kisb-radius-sm);
  transition: border-color var(--kisb-transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--kisb-lime);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-textarea-mono {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: .85rem;
  line-height: 1.6;
  min-height: 400px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23999' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  padding-right: 2rem;
}

/* --- Dropzone --------------------------------------------- */
.dropzone {
  border: 2px dashed var(--kisb-border);
  border-radius: var(--kisb-radius-md);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--kisb-transition);
  background: rgba(255,255,255,.02);
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--kisb-lime);
  background: rgba(205,213,0,.05);
}

.dropzone-icon {
  font-size: 2rem;
  margin-bottom: .5rem;
  opacity: .5;
}

.dropzone-text {
  color: var(--kisb-text-muted);
  font-size: .85rem;
}

.dropzone-text strong {
  color: var(--kisb-lime);
}

.dropzone-files {
  margin-top: .75rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  justify-content: center;
}

.dropzone-file {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: rgba(205,213,0,.1);
  color: var(--kisb-lime);
  padding: .25rem .6rem;
  border-radius: var(--kisb-radius-sm);
  font-size: .8rem;
}

.dropzone-file .remove-file {
  cursor: pointer;
  opacity: .7;
  font-weight: 700;
}

.dropzone-file .remove-file:hover {
  opacity: 1;
}

/* --- Tables ----------------------------------------------- */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--kisb-text-muted);
  padding: .65rem .75rem;
  border-bottom: 1px solid var(--kisb-border);
  white-space: nowrap;
}

tbody td {
  padding: .75rem;
  border-bottom: 1px solid rgba(51,51,51,.5);
  font-size: .9rem;
  vertical-align: middle;
}

tbody tr {
  transition: background var(--kisb-transition);
}

tbody tr:hover {
  background: rgba(255,255,255,.03);
}

/* --- Badges / Status -------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .55rem;
  font-size: .75rem;
  font-weight: 600;
  border-radius: 9999px;
  white-space: nowrap;
  line-height: 1.4;
}

.badge-pending {
  background: rgba(153,153,153,.15);
  color: #aaa;
}

.badge-running {
  background: rgba(205,213,0,.15);
  color: var(--kisb-lime);
  animation: pulse 1.8s ease-in-out infinite;
}

.badge-completed {
  background: rgba(34,197,94,.15);
  color: #22c55e;
}

.badge-failed {
  background: rgba(230,0,126,.15);
  color: var(--kisb-pink);
}

.badge-phase {
  background: rgba(205,213,0,.1);
  color: var(--kisb-lime);
  font-size: .7rem;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .55; }
}

/* status dot */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot-pending   { background: #666; }
.status-dot-running   { background: var(--kisb-lime); animation: pulse 1.8s ease-in-out infinite; }
.status-dot-completed { background: #22c55e; }
.status-dot-failed    { background: var(--kisb-pink); }

/* --- Progress Bar ----------------------------------------- */
.progress {
  width: 100%;
  height: 8px;
  background: rgba(255,255,255,.08);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--kisb-lime);
  border-radius: 9999px;
  transition: width .4s ease;
}

.progress-bar.running {
  background: linear-gradient(90deg, var(--kisb-lime) 0%, #e0e830 50%, var(--kisb-lime) 100%);
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.progress-lg {
  height: 12px;
}

.progress-text {
  font-size: .8rem;
  color: var(--kisb-text-muted);
  margin-top: .3rem;
}

/* --- Phase Timeline --------------------------------------- */
.phase-timeline {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding: 1rem 0;
}

.phase-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 100px;
  position: relative;
  text-align: center;
}

.phase-step::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--kisb-border);
  z-index: 0;
}

.phase-step:first-child::before {
  left: 50%;
}

.phase-step:last-child::before {
  right: 50%;
}

.phase-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--kisb-card);
  border: 2px solid var(--kisb-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 700;
  color: var(--kisb-text-muted);
  position: relative;
  z-index: 1;
  transition: all var(--kisb-transition);
}

.phase-step.completed .phase-dot {
  background: #22c55e;
  border-color: #22c55e;
  color: #fff;
}

.phase-step.active .phase-dot {
  background: var(--kisb-lime);
  border-color: var(--kisb-lime);
  color: var(--kisb-black);
  animation: pulse 1.8s ease-in-out infinite;
}

.phase-step.failed .phase-dot {
  background: var(--kisb-pink);
  border-color: var(--kisb-pink);
  color: #fff;
}

.phase-label {
  margin-top: .5rem;
  font-size: .72rem;
  color: var(--kisb-text-muted);
  font-weight: 500;
  max-width: 90px;
  line-height: 1.3;
}

.phase-step.active .phase-label {
  color: var(--kisb-lime);
}

.phase-step.completed .phase-label {
  color: var(--kisb-text);
}

/* --- Event Log -------------------------------------------- */
.event-log {
  background: #111;
  border: 1px solid var(--kisb-border);
  border-radius: var(--kisb-radius-md);
  padding: .75rem;
  max-height: 320px;
  overflow-y: auto;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: .78rem;
  line-height: 1.7;
}

.event-log::-webkit-scrollbar {
  width: 6px;
}

.event-log::-webkit-scrollbar-track {
  background: transparent;
}

.event-log::-webkit-scrollbar-thumb {
  background: var(--kisb-border);
  border-radius: 3px;
}

.event-entry {
  display: flex;
  gap: .5rem;
}

.event-time {
  color: var(--kisb-text-muted);
  white-space: nowrap;
}

.event-msg {
  color: var(--kisb-text);
}

.event-msg.event-error {
  color: var(--kisb-pink);
}

.event-msg.event-success {
  color: #22c55e;
}

.event-msg.event-phase {
  color: var(--kisb-lime);
  font-weight: 600;
}

/* --- Artefakt Grid ---------------------------------------- */
.artefakt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.artefakt-card {
  background: var(--kisb-card);
  border: 1px solid var(--kisb-border);
  border-radius: var(--kisb-radius-md);
  padding: 1rem;
  cursor: pointer;
  transition: all var(--kisb-transition);
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

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

.artefakt-card-title {
  font-weight: 600;
  font-size: .95rem;
}

.artefakt-card-meta {
  font-size: .8rem;
  color: var(--kisb-text-muted);
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* --- Artefakt Viewer -------------------------------------- */
.artefakt-viewer {
  position: fixed;
  top: 0;
  right: 0;
  width: 50%;
  max-width: 700px;
  height: 100vh;
  background: var(--kisb-bg);
  border-left: 1px solid var(--kisb-border);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .3s ease;
}

.artefakt-viewer.open {
  transform: translateX(0);
}

.artefakt-viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--kisb-border);
  flex-shrink: 0;
}

.artefakt-viewer-close {
  background: none;
  border: none;
  color: var(--kisb-text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: .25rem;
}

.artefakt-viewer-close:hover {
  color: var(--kisb-text);
}

.artefakt-viewer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

.artefakt-viewer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 199;
  display: none;
}

.artefakt-viewer-backdrop.open {
  display: block;
}

/* rendered markdown in viewer */
.md-content h1 { font-size: 1.5rem; margin: 1.5rem 0 .75rem; }
.md-content h2 { font-size: 1.25rem; margin: 1.25rem 0 .65rem; }
.md-content h3 { font-size: 1.1rem; margin: 1rem 0 .5rem; }
.md-content p  { margin-bottom: .75rem; }
.md-content ul,
.md-content ol { margin: .5rem 0 .75rem 1.5rem; }
.md-content li { margin-bottom: .25rem; }
.md-content strong { font-weight: 700; }
.md-content em { font-style: italic; }
.md-content table { width: 100%; border-collapse: collapse; margin: .75rem 0; }
.md-content th,
.md-content td {
  border: 1px solid var(--kisb-border);
  padding: .45rem .65rem;
  text-align: left;
  font-size: .85rem;
}
.md-content th { background: rgba(255,255,255,.05); font-weight: 600; }

/* --- Modal ------------------------------------------------ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-backdrop.open {
  display: flex;
}

.modal {
  background: var(--kisb-card);
  border: 1px solid var(--kisb-border);
  border-radius: var(--kisb-radius-lg);
  padding: 1.5rem;
  width: 90%;
  max-width: 520px;
  box-shadow: var(--kisb-shadow);
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: .5rem;
  margin-top: 1.25rem;
}

/* --- Upload Section --------------------------------------- */
.upload-section {
  display: none;
  margin-bottom: 1.5rem;
}

.upload-section.open {
  display: block;
}

.upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.upload-footer {
  display: flex;
  justify-content: flex-end;
  gap: .75rem;
  margin-top: 1rem;
}

/* --- Prompt Editor Layout --------------------------------- */
.editor-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
  min-height: calc(100vh - var(--nav-height) - 4rem);
}

.prompt-list {
  background: var(--kisb-card);
  border: 1px solid var(--kisb-border);
  border-radius: var(--kisb-radius-md);
  overflow-y: auto;
  max-height: calc(100vh - var(--nav-height) - 4rem);
}

/* Ebene Tabs */
.ebene-tab {
  padding: .5rem 1rem;
  border: 1px solid var(--kisb-border);
  border-radius: var(--kisb-radius-lg);
  background: transparent;
  color: var(--kisb-text-muted);
  font-size: .85rem;
  cursor: pointer;
  transition: all .2s;
}
.ebene-tab:hover {
  border-color: var(--kisb-lime);
  color: var(--kisb-text);
}
.ebene-tab.active {
  background: var(--kisb-lime);
  color: var(--kisb-black);
  border-color: var(--kisb-lime);
  font-weight: 600;
}
.tab-count {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border-radius: 10px;
  padding: 0 .4rem;
  font-size: .75rem;
  margin-left: .3rem;
}
.ebene-tab.active .tab-count {
  background: rgba(0,0,0,0.15);
}

.prompt-list-group-title {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--kisb-text-muted);
  padding: .75rem 1rem .35rem;
  border-bottom: 1px solid rgba(51,51,51,.3);
}

.prompt-list-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1rem;
  cursor: pointer;
  font-size: .85rem;
  color: var(--kisb-text-muted);
  border-left: 3px solid transparent;
  transition: all var(--kisb-transition);
}

.prompt-list-item:hover {
  background: rgba(255,255,255,.03);
  color: var(--kisb-text);
}

.prompt-list-item.active {
  background: rgba(205,213,0,.06);
  color: var(--kisb-text);
  border-left-color: var(--kisb-lime);
}

.prompt-list-item .unsaved-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #facc15;
  display: none;
  flex-shrink: 0;
}

.prompt-list-item.unsaved .unsaved-dot {
  display: block;
}

.editor-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.editor-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--kisb-text);
  padding: .5rem 0;
  border-bottom: 1px solid var(--kisb-border);
}

.editor-actions {
  display: flex;
  gap: .75rem;
}

/* --- Token / Cost Summary --------------------------------- */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.summary-item {
  background: var(--kisb-card);
  border: 1px solid var(--kisb-border);
  border-radius: var(--kisb-radius-md);
  padding: 1rem;
  text-align: center;
}

.summary-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--kisb-lime);
}

.summary-label {
  font-size: .78rem;
  color: var(--kisb-text-muted);
  margin-top: .2rem;
}

/* --- Section Headings ------------------------------------- */
.section-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* --- Empty State ------------------------------------------ */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--kisb-text-muted);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: .75rem;
  opacity: .4;
}

/* --- Utility ---------------------------------------------- */
.hidden { display: none !important; }
.flex   { display: flex; }
.flex-col { flex-direction: column; }
.gap-sm { gap: .5rem; }
.gap-md { gap: 1rem; }
.gap-lg { gap: 1.5rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }

/* --- Responsive ------------------------------------------- */
@media (max-width: 768px) {
  .page {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .upload-grid {
    grid-template-columns: 1fr;
  }

  .editor-layout {
    grid-template-columns: 1fr;
  }

  .prompt-list {
    max-height: 240px;
  }

  .artefakt-viewer {
    width: 100%;
    max-width: none;
  }

  .phase-timeline {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-links {
    gap: .75rem;
  }

  .nav {
    gap: 1rem;
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .artefakt-grid {
    grid-template-columns: 1fr;
  }
}