/*! sketch.css v0.1.0 — Hand-drawn wireframe CSS framework
 *  Minimal classes. Style HTML elements directly. Undulating borders.
 *  MIT License
 *
 *  Usage: Link this stylesheet, add the SVG filter to your HTML,
 *  and write semantic HTML. Most elements are styled automatically.
 *  Layout utilities use short class names (.row, .cols-2, etc).
 */

/* ==========================================================================
   Custom Properties — override these to theme the framework
   ========================================================================== */

:root {
  --sk-bg: #fdfdfd;
  --sk-text: #1a1a1a;
  --sk-border-color: #1a1a1a;
  --sk-accent: #3b82f6;
  --sk-accent-bg: #dbeafe;
  --sk-muted: #6b7280;
  --sk-surface: #f3f4f6;
  --sk-success: #16a34a;
  --sk-success-bg: #dcfce7;
  --sk-warning: #ca8a04;
  --sk-warning-bg: #fef9c3;
  --sk-danger: #dc2626;
  --sk-danger-bg: #fee2e2;

  --sk-font: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --sk-font-mono: ui-monospace, 'SF Mono', 'Fira Code', monospace;
  --sk-font-size: 15px;
  --sk-lh: 1.6;

  --sk-bw: 2.5px;
  --sk-border: var(--sk-bw) solid var(--sk-border-color);

  /* Hand-drawn border radius variants — asymmetric values create organic shapes */
  --sk-r1: 255px 15px 225px 15px / 15px 225px 15px 255px;
  --sk-r2: 15px 225px 15px 255px / 255px 15px 225px 15px;
  --sk-r3: 185px 25px 235px 25px / 25px 205px 25px 215px;
  --sk-r4: 25px 185px 25px 215px / 235px 25px 205px 25px;

  --sk-shadow: 3px 3px 0 rgba(0, 0, 0, 0.08);
  --sk-shadow-lg: 5px 5px 0 rgba(0, 0, 0, 0.12);

  --sk-xs: 0.25rem;
  --sk-sm: 0.5rem;
  --sk-md: 1rem;
  --sk-lg: 1.5rem;
  --sk-xl: 2rem;
  --sk-2xl: 3rem;
}

/* ==========================================================================
   SVG Filter Reference — must define <filter id="sketchy"> in your HTML:
   <svg aria-hidden="true" style="position:absolute;width:0;height:0">
     <filter id="sketchy" x="-3%" y="-3%" width="106%" height="106%">
       <feTurbulence type="turbulence" baseFrequency="0.025" numOctaves="4" seed="1" result="n"/>
       <feDisplacementMap in="SourceGraphic" in2="n" scale="2"/>
     </filter>
   </svg>
   ========================================================================== */

.sketch-filters {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* Apply undulating filter to bordered elements */
article,
[data-card],
details,
fieldset,
table,
[data-stat],
[data-upload],
[data-alert],
dialog {
  filter: url(#sketchy);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html {
  font-size: var(--sk-font-size);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sk-font);
  line-height: var(--sk-lh);
  color: var(--sk-text);
  background: var(--sk-bg);
  -webkit-font-smoothing: antialiased;
}

img, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  margin-bottom: var(--sk-sm);
  font-weight: 700;
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }
h5, h6 { font-size: 1rem; }

p {
  margin-bottom: var(--sk-md);
}

p:last-child {
  margin-bottom: 0;
}

small, .text-sm {
  font-size: 0.85rem;
}

.text-muted, small {
  color: var(--sk-muted);
}

strong {
  font-weight: 700;
}

code {
  font-family: var(--sk-font-mono);
  background: var(--sk-surface);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.9em;
}

a {
  color: var(--sk-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  text-decoration-thickness: 2px;
}

hr {
  border: none;
  border-top: var(--sk-border);
  margin: var(--sk-lg) 0;
  opacity: 0.3;
}

/* ==========================================================================
   Forms
   ========================================================================== */

input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="submit"]):not([type="reset"]):not([type="button"]),
select,
textarea {
  display: block;
  width: 100%;
  padding: var(--sk-sm) var(--sk-md);
  font-family: inherit;
  font-size: inherit;
  line-height: 1.5;
  color: var(--sk-text);
  background: var(--sk-bg);
  border: var(--sk-border);
  border-radius: var(--sk-r2);
  transition: box-shadow 0.15s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--sk-accent-bg);
}

input::placeholder,
textarea::placeholder {
  color: var(--sk-muted);
  opacity: 0.7;
}

textarea {
  min-height: 80px;
  resize: vertical;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%231a1a1a' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--sk-xs);
  font-size: 0.9rem;
}

fieldset {
  border: var(--sk-border);
  border-radius: var(--sk-r1);
  padding: var(--sk-lg);
  margin-bottom: var(--sk-lg);
}

legend {
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0 var(--sk-sm);
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.15em;
  height: 1.15em;
  accent-color: var(--sk-accent);
  vertical-align: middle;
  margin-right: var(--sk-xs);
  cursor: pointer;
}

/* Form field wrapper */
.field {
  margin-bottom: var(--sk-md);
}

.field-hint {
  font-size: 0.8rem;
  color: var(--sk-muted);
  margin-top: var(--sk-xs);
}

.field-required::after {
  content: " *";
  color: var(--sk-danger);
  font-weight: 400;
}

.field-optional::after {
  content: " (optional)";
  color: var(--sk-muted);
  font-weight: 400;
  font-size: 0.8em;
}

/* Inline checkbox / radio label */
.check-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sk-xs);
  font-weight: 400;
  cursor: pointer;
  margin-right: var(--sk-md);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

button,
input[type="submit"],
input[type="reset"],
input[type="button"],
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sk-sm);
  padding: var(--sk-sm) var(--sk-lg);
  font-family: inherit;
  font-size: inherit;
  font-weight: 600;
  color: var(--sk-text);
  background: var(--sk-bg);
  border: var(--sk-border);
  border-radius: var(--sk-r2);
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  box-shadow: var(--sk-shadow);
  white-space: nowrap;
  line-height: 1.5;
}

button:hover, .btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: var(--sk-shadow-lg);
}

button:active, .btn:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

button[data-variant="primary"], .btn-primary {
  background: var(--sk-accent);
  color: #fff;
  border-color: var(--sk-accent);
}

button[data-variant="success"], .btn-success {
  background: var(--sk-success);
  color: #fff;
  border-color: var(--sk-success);
}

button[data-variant="danger"], .btn-danger {
  background: var(--sk-danger);
  color: #fff;
  border-color: var(--sk-danger);
}

button[data-variant="ghost"], .btn-ghost {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  font-weight: 500;
}

button[data-variant="ghost"]:hover, .btn-ghost:hover {
  background: var(--sk-surface);
  box-shadow: none;
  transform: none;
}

button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-sm {
  padding: var(--sk-xs) var(--sk-sm);
  font-size: 0.85rem;
}

.full-width {
  width: 100%;
}

/* ==========================================================================
   Tables
   ========================================================================== */

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: var(--sk-border);
  border-radius: var(--sk-r4);
  overflow: hidden;
  font-size: 0.9rem;
}

th, td {
  padding: var(--sk-sm) var(--sk-md);
  text-align: left;
  border-bottom: 1px solid var(--sk-border-color);
}

th {
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--sk-surface);
  white-space: nowrap;
}

tr:last-child td {
  border-bottom: none;
}

tbody tr {
  transition: background 0.1s;
}

tbody tr:hover {
  background: var(--sk-accent-bg);
}

tbody tr[data-clickable] {
  cursor: pointer;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

nav a,
nav button {
  text-decoration: none;
  color: var(--sk-text);
  font-weight: 500;
  border: none;
  box-shadow: none;
  background: transparent;
}

nav a:hover,
nav button:hover {
  transform: none;
}

nav[data-direction="vertical"] {
  display: flex;
  flex-direction: column;
  gap: var(--sk-xs);
}

nav[data-direction="vertical"] a,
nav[data-direction="vertical"] button {
  display: block;
  padding: var(--sk-sm) var(--sk-md);
  border-radius: 6px;
}

nav[data-direction="vertical"] a:hover,
nav[data-direction="vertical"] button:hover {
  background: rgba(0, 0, 0, 0.06);
}

nav[data-direction="vertical"] a.active {
  background: var(--sk-accent);
  color: #fff;
}

/* ==========================================================================
   Cards (article) & data-card
   ========================================================================== */

article,
[data-card] {
  border: var(--sk-border);
  border-radius: var(--sk-r1);
  padding: var(--sk-lg);
  margin-bottom: var(--sk-lg);
  background: var(--sk-bg);
  box-shadow: var(--sk-shadow);
}

article > header:first-child,
[data-card] > header:first-child {
  margin: calc(var(--sk-lg) * -1) calc(var(--sk-lg) * -1) var(--sk-md);
  padding: var(--sk-md) var(--sk-lg);
  background: var(--sk-surface);
  border-bottom: var(--sk-border);
  border-radius: var(--sk-r1) var(--sk-r1) 0 0;
}

/* ==========================================================================
   Details / Accordion
   ========================================================================== */

details {
  border: var(--sk-border);
  border-radius: var(--sk-r3);
  margin-bottom: var(--sk-md);
}

summary {
  padding: var(--sk-md) var(--sk-lg);
  font-weight: 700;
  cursor: pointer;
  background: var(--sk-surface);
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: var(--sk-sm);
}

summary::before {
  content: "\25B8";
  font-size: 0.85em;
  transition: transform 0.15s;
}

details[open] > summary::before {
  transform: rotate(90deg);
}

summary::-webkit-details-marker {
  display: none;
}

details[open] > summary {
  border-bottom: var(--sk-border);
}

details > *:not(summary) {
  padding-left: var(--sk-lg);
  padding-right: var(--sk-lg);
}

details > *:nth-child(2) {
  padding-top: var(--sk-md);
}

details > *:last-child {
  padding-bottom: var(--sk-lg);
}

/* ==========================================================================
   Badges & Tags
   ========================================================================== */

mark,
[data-badge] {
  display: inline-block;
  padding: 0.1em 0.55em;
  font-size: 0.8rem;
  font-weight: 600;
  border: 2px solid currentColor;
  border-radius: var(--sk-r2);
  background: transparent;
  color: var(--sk-text);
  line-height: 1.4;
  white-space: nowrap;
}

[data-badge="success"] { color: var(--sk-success); background: var(--sk-success-bg); }
[data-badge="warning"] { color: var(--sk-warning); background: var(--sk-warning-bg); }
[data-badge="danger"]  { color: var(--sk-danger);  background: var(--sk-danger-bg); }
[data-badge="info"]    { color: var(--sk-accent);  background: var(--sk-accent-bg); }
[data-badge="muted"]   { color: var(--sk-muted);   background: var(--sk-surface); }

/* ==========================================================================
   Stat Cards
   ========================================================================== */

[data-stat] {
  border: var(--sk-border);
  border-radius: var(--sk-r3);
  padding: var(--sk-lg);
  text-align: center;
  background: var(--sk-bg);
}

[data-stat] strong {
  display: block;
  font-size: 2rem;
  line-height: 1.1;
  margin-bottom: var(--sk-xs);
}

[data-stat] small {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* ==========================================================================
   Progress / Pipeline Steps
   ========================================================================== */

[data-progress] {
  display: flex;
  gap: 0;
  margin: var(--sk-md) 0;
}

[data-progress] > * {
  flex: 1;
  padding: var(--sk-sm) var(--sk-md);
  background: var(--sk-surface);
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1.5px solid var(--sk-border-color);
  border-right-width: 0;
  position: relative;
}

[data-progress] > *:first-child {
  border-radius: var(--sk-r2) 0 0 var(--sk-r2);
}

[data-progress] > *:last-child {
  border-right-width: 1.5px;
  border-radius: 0 var(--sk-r2) var(--sk-r2) 0;
}

[data-progress] > [data-active] {
  background: var(--sk-accent);
  color: #fff;
  border-color: var(--sk-accent);
}

[data-progress] > [data-complete] {
  background: var(--sk-success-bg);
  color: var(--sk-success);
  border-color: var(--sk-success);
}

/* ==========================================================================
   Tabs
   ========================================================================== */

[data-tabs] {
  display: flex;
  border-bottom: var(--sk-border);
  margin-bottom: var(--sk-lg);
  gap: 0;
  overflow-x: auto;
}

[data-tabs] button,
[data-tabs] a {
  padding: var(--sk-sm) var(--sk-lg);
  border: none;
  border-bottom: 3px solid transparent;
  background: none;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: none;
  border-radius: 0;
  color: var(--sk-muted);
  font-size: 0.9rem;
  transition: color 0.15s, border-color 0.15s;
}

[data-tabs] button:hover,
[data-tabs] a:hover {
  color: var(--sk-text);
  background: var(--sk-surface);
  transform: none;
}

[data-tabs] .active {
  color: var(--sk-accent);
  border-bottom-color: var(--sk-accent);
  font-weight: 700;
}

/* ==========================================================================
   Upload Zone
   ========================================================================== */

[data-upload] {
  border: 3px dashed var(--sk-border-color);
  border-radius: var(--sk-r1);
  padding: var(--sk-2xl) var(--sk-lg);
  text-align: center;
  color: var(--sk-muted);
  background: var(--sk-surface);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

[data-upload]:hover {
  background: var(--sk-accent-bg);
  color: var(--sk-accent);
  border-color: var(--sk-accent);
}

[data-upload] strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: var(--sk-xs);
  color: var(--sk-text);
}

/* ==========================================================================
   Alerts
   ========================================================================== */

[data-alert] {
  padding: var(--sk-md) var(--sk-lg);
  border: var(--sk-border);
  border-radius: var(--sk-r2);
  margin-bottom: var(--sk-md);
  background: var(--sk-surface);
}

[data-alert="success"] { border-color: var(--sk-success); background: var(--sk-success-bg); }
[data-alert="warning"] { border-color: var(--sk-warning); background: var(--sk-warning-bg); }
[data-alert="danger"]  { border-color: var(--sk-danger);  background: var(--sk-danger-bg); }
[data-alert="info"]    { border-color: var(--sk-accent);  background: var(--sk-accent-bg); }

/* ==========================================================================
   Dialog / Modal
   ========================================================================== */

dialog {
  border: var(--sk-border);
  border-radius: var(--sk-r1);
  padding: var(--sk-xl);
  box-shadow: var(--sk-shadow-lg);
  max-width: 600px;
  width: 90%;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   Simple Bar Chart
   ========================================================================== */

[data-bar] {
  display: flex;
  align-items: center;
  gap: var(--sk-sm);
  margin-bottom: var(--sk-sm);
}

[data-bar] .bar-label {
  min-width: 140px;
  font-size: 0.85rem;
  text-align: right;
  flex-shrink: 0;
}

[data-bar] .bar-fill {
  height: 26px;
  background: var(--sk-accent);
  border: 1.5px solid var(--sk-border-color);
  border-radius: var(--sk-r2);
  display: flex;
  align-items: center;
  padding: 0 var(--sk-sm);
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  min-width: 30px;
}

[data-bar] .bar-fill[data-color="success"] { background: var(--sk-success); }
[data-bar] .bar-fill[data-color="warning"] { background: var(--sk-warning); }
[data-bar] .bar-fill[data-color="danger"]  { background: var(--sk-danger); }
[data-bar] .bar-fill[data-color="info"]    { background: var(--sk-accent); }
[data-bar] .bar-fill[data-color="muted"]   { background: var(--sk-muted); }

/* ==========================================================================
   Placeholder (for wireframe chart/image areas)
   ========================================================================== */

.placeholder {
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 8px,
      rgba(0, 0, 0, 0.03) 8px,
      rgba(0, 0, 0, 0.03) 9px
    ),
    var(--sk-surface);
  border: var(--sk-border);
  border-radius: var(--sk-r2);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sk-muted);
  font-style: italic;
  font-size: 0.9rem;
  padding: var(--sk-md);
  text-align: center;
}

/* ==========================================================================
   Layout Utilities
   ========================================================================== */

.row {
  display: flex;
  gap: var(--sk-md);
  flex-wrap: wrap;
}

.row > * {
  flex: 1;
  min-width: 0;
}

.cols-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sk-md); }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sk-md); }
.cols-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sk-md); }

.sidebar-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.stack    { display: flex; flex-direction: column; gap: var(--sk-md); }
.stack-sm { display: flex; flex-direction: column; gap: var(--sk-sm); }
.stack-lg { display: flex; flex-direction: column; gap: var(--sk-lg); }

.center     { text-align: center; }
.right      { text-align: right; }
.flex       { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center  { display: flex; align-items: center; gap: var(--sk-sm); }
.flex-end     { display: flex; justify-content: flex-end; gap: var(--sk-sm); }
.flex-wrap    { flex-wrap: wrap; }

.gap-xs { gap: var(--sk-xs); }
.gap-sm { gap: var(--sk-sm); }
.gap-md { gap: var(--sk-md); }
.gap-lg { gap: var(--sk-lg); }

.mt-xs { margin-top: var(--sk-xs); }
.mt-sm { margin-top: var(--sk-sm); }
.mt-md { margin-top: var(--sk-md); }
.mt-lg { margin-top: var(--sk-lg); }
.mb-sm { margin-bottom: var(--sk-sm); }
.mb-md { margin-bottom: var(--sk-md); }
.mb-lg { margin-bottom: var(--sk-lg); }
.p-sm  { padding: var(--sk-sm); }
.p-md  { padding: var(--sk-md); }
.p-lg  { padding: var(--sk-lg); }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
  .sidebar-layout {
    grid-template-columns: 1fr;
  }

  .cols-2, .cols-3, .cols-4 {
    grid-template-columns: 1fr;
  }

  .row {
    flex-direction: column;
  }

  [data-progress] {
    flex-direction: column;
  }

  [data-progress] > * {
    border-right-width: 1.5px;
    border-bottom-width: 0;
  }

  [data-progress] > *:last-child {
    border-bottom-width: 1.5px;
  }

  [data-progress] > *:first-child {
    border-radius: var(--sk-r2) var(--sk-r2) 0 0;
  }

  [data-progress] > *:last-child {
    border-radius: 0 0 var(--sk-r2) var(--sk-r2);
  }

  .hide-mobile { display: none !important; }
  .show-mobile { display: block !important; }

  table {
    font-size: 0.8rem;
  }

  th, td {
    padding: var(--sk-xs) var(--sk-sm);
  }
}

@media (max-width: 480px) {
  :root {
    --sk-font-size: 14px;
  }
}

/* ==========================================================================
   Print
   ========================================================================== */

@media print {
  body { background: #fff; color: #000; }
  button, nav, [data-upload], [data-alert] { display: none; }
  article, [data-card], details, table { box-shadow: none; filter: none; break-inside: avoid; }
}