/* SPDX-License-Identifier: MIT */
/* Copyright (C) 2026 Abhishek Sengar */

@layer vektor.tokens, vektor.registered, vektor.base, vektor.axes, vektor.charts, vektor.interactions, vektor.utilities;

@property --val {
  syntax: '<number>';
  inherits: true;
  initial-value: 0;
}
@property --val-2 {
  syntax: '<number>';
  inherits: true;
  initial-value: 0;
}
@property --val-3 {
  syntax: '<number>';
  inherits: true;
  initial-value: 0;
}
@property --min {
  syntax: '<number>';
  inherits: true;
  initial-value: 0;
}
@property --max {
  syntax: '<number>';
  inherits: true;
  initial-value: 100;
}
@property --target {
  syntax: '<number>';
  inherits: true;
  initial-value: -1;
}
@property --vk-sweep {
  syntax: '<number>';
  inherits: false;
  initial-value: 1;
}

@layer vektor.tokens {
  :root {
    --vk-seed: #6366f1;
    --vk-c-1: var(--vk-seed);
    --vk-c-2: #06b6d4;
    --vk-c-3: #10b981;
    --vk-c-4: #f59e0b;
    --vk-c-5: #ec4899;
    --vk-c-danger: #ef4444;

    --vk-bg: #0f111a;
    --vk-surface: #161926;
    --vk-surface-elevated: #1e2235;
    --vk-text: #f1f5f9;
    --vk-text-muted: #94a3b8;
    --vk-grid-color: color-mix(in oklch, var(--vk-text) 10%, transparent);
    --vk-axis-color: color-mix(in oklch, var(--vk-text) 24%, transparent);

    --vk-radius: 6px;
    --vk-gap: 0.65rem;
    --vk-chart-height: 250px;
    --vk-duration: 650ms;
    --vk-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --vk-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --vk-font-mono: 'JetBrains Mono', monospace;
  }

  [data-theme="light"] {
    --vk-bg: #f8fafc;
    --vk-surface: #ffffff;
    --vk-surface-elevated: #f1f5f9;
    --vk-text: #0f172a;
    --vk-text-muted: #64748b;
    --vk-grid-color: color-mix(in oklch, var(--vk-text) 9%, transparent);
    --vk-axis-color: color-mix(in oklch, var(--vk-text) 22%, transparent);
  }
}

@layer vektor.base {
  .vk-scope {
    container-type: inline-size;
    container-name: vk-card;
    position: relative;
    font-family: var(--vk-font-sans);
    color: var(--vk-text);
    box-sizing: border-box;
  }

  .vk-scope *,
  .vk-scope *::before,
  .vk-scope *::after {
    box-sizing: border-box;
  }

  .vk-chart {
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
    position: relative;
    border-collapse: collapse;
    font-variant-numeric: tabular-nums;
  }

  .vk-sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }

  .vk-chart:not(:has(> *, tbody > tr))::after {
    content: "No dataset points provided";
    display: grid;
    place-items: center;
    height: var(--vk-chart-height);
    color: var(--vk-text-muted);
    font-size: 0.875rem;
    border: 1px dashed var(--vk-axis-color);
    border-radius: var(--vk-radius);
  }
}

@layer vektor.axes {
  .vk-grid-y {
    background-image: linear-gradient(
      to bottom,
      var(--vk-grid-color) 1px,
      transparent 1px
    );
    background-size: 100% 25%;
    background-position: 0 0;
    border-bottom: 1px solid var(--vk-axis-color);
  }

  .vk-grid-x {
    background-image: linear-gradient(
      to right,
      var(--vk-grid-color) 1px,
      transparent 1px
    );
    background-size: 25% 100%;
  }

  .vk-chart[style*="--target"]::before {
    content: attr(data-target-label);
    position: absolute;
    left: 0;
    right: 0;
    bottom: calc(var(--target) * 1%);
    border-bottom: 2px dashed var(--vk-c-danger);
    color: var(--vk-c-danger);
    font-family: var(--vk-font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-align: right;
    padding-right: 0.4rem;
    padding-bottom: 2px;
    pointer-events: none;
    z-index: 4;
    transition: bottom var(--vk-duration) var(--vk-ease);
  }
}

@layer vektor.charts {

  .vk-bar {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(28px, 1fr);
    align-items: end;
    gap: var(--vk-gap);
    height: var(--vk-chart-height);
    padding-top: 1.75rem;
    margin-bottom: 2rem;
  }

  table.vk-bar tbody {
    display: contents;
  }
  table.vk-bar thead {
    display: none;
  }

  .vk-bar > li,
  table.vk-bar tbody > tr {
    --_c: var(--c, var(--vk-c-1));
    --_pct: clamp(0, var(--val), 100);
    position: relative;
    height: calc(var(--_pct) * 1%);
    background: linear-gradient(
      180deg,
      color-mix(in oklch, var(--_c) 95%, white) 0%,
      color-mix(in oklch, var(--_c) 72%, transparent) 100%
    );
    border: 1px solid color-mix(in oklch, var(--_c) 88%, white);
    border-bottom: none;
    border-radius: var(--vk-radius) var(--vk-radius) 0 0;
    transition:
      height var(--vk-duration) var(--vk-ease),
      opacity 220ms ease,
      transform 200ms ease,
      filter 200ms ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }

  .vk-bar > [data-alert="high"],
  table.vk-bar tbody > tr[data-alert="high"] {
    --_c: var(--vk-c-danger);
  }

  .vk-bar > li::after,
  table.vk-bar tbody > tr::after {
    content: attr(data-label);
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--vk-text-muted);
    white-space: nowrap;
    font-weight: 500;
  }

  .vk-bar > li::before,
  table.vk-bar tbody > tr::before {
    content: attr(data-value);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    font-family: var(--vk-font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--vk-text);
    background: var(--vk-surface-elevated);
    border: 1px solid var(--vk-axis-color);
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  }

  .vk-bar.vk-values-visible > li::before,
  table.vk-bar.vk-values-visible tbody > tr::before,
  .vk-bar > li:hover::before,
  table.vk-bar tbody > tr:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  .vk-bar-multi > li {
    height: 100%;
    background: none;
    border: none;
    display: flex;
    flex-direction: column-reverse;
    justify-content: flex-start;
    gap: 2px;
  }

  .vk-bar-multi.vk-grouped > li {
    flex-direction: row;
    align-items: flex-end;
    gap: 3px;
  }

  .vk-bar-multi .vk-seg {
    --_c: var(--c, var(--vk-c-1));
    height: calc(clamp(0, var(--val), 100) * 1%);
    width: 100%;
    background: linear-gradient(
      180deg,
      color-mix(in oklch, var(--_c) 95%, white),
      color-mix(in oklch, var(--_c) 75%, transparent)
    );
    border-radius: calc(var(--vk-radius) * 0.65);
    transition:
      height var(--vk-duration) var(--vk-ease),
      opacity 200ms ease,
      filter 200ms ease;
    position: relative;
  }

  .vk-hbar {
    display: grid;
    gap: 0.75rem;
  }

  .vk-hbar > li {
    --_c: var(--c, var(--vk-c-1));
    display: grid;
    grid-template-columns: minmax(95px, 130px) 1fr auto;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.82rem;
  }

  .vk-hbar .vk-hbar-label {
    color: var(--vk-text);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .vk-hbar .vk-hbar-track {
    height: 1.35rem;
    background: color-mix(in oklch, var(--vk-text) 7%, transparent);
    border-radius: var(--vk-radius);
    overflow: hidden;
    position: relative;
  }

  .vk-hbar .vk-hbar-fill {
    height: 100%;
    width: calc(clamp(0, var(--val), 100) * 1%);
    background: linear-gradient(
      90deg,
      color-mix(in oklch, var(--_c) 75%, transparent),
      var(--_c)
    );
    border-radius: var(--vk-radius);
    transition: width var(--vk-duration) var(--vk-ease);
  }

  .vk-hbar .vk-hbar-val {
    font-family: var(--vk-font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--vk-text-muted);
    min-width: 3.2rem;
    text-align: right;
  }

  .vk-radar {
    --_size: min(100%, 270px);
    width: var(--_size);
    aspect-ratio: 1;
    margin: 1rem auto;
    position: relative;
    border-radius: 50%;
    background:
      radial-gradient(circle, transparent 24.5%, var(--vk-grid-color) 25%, transparent 25.5%),
      radial-gradient(circle, transparent 49.5%, var(--vk-grid-color) 50%, transparent 50.5%),
      radial-gradient(circle, transparent 74.5%, var(--vk-grid-color) 75%, transparent 75.5%);
    border: 1px solid var(--vk-axis-color);
  }

  .vk-radar > li {
    --_angle: calc((360deg / var(--total, 6)) * var(--i, 0) - 90deg);
    --_r: calc((clamp(0, var(--val), 100) / 100) * 50%);
    --_x: calc(50% + (var(--_r) * cos(var(--_angle))));
    --_y: calc(50% + (var(--_r) * sin(var(--_angle))));
    --_lx: calc(50% + (63% * cos(var(--_angle))));
    --_ly: calc(50% + (63% * sin(var(--_angle))));

    position: absolute;
     inset: 0;
    pointer-events: none;
  }

  .vk-radar > li::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50%;
    height: 1px;
    background: var(--vk-grid-color);
    transform-origin: 0 50%;
    transform: rotate(var(--_angle));
  }

  .vk-radar > li::after {
    content: attr(data-label);
    position: absolute;
    left: var(--_lx);
    top: var(--_ly);
    transform: translate(-50%, -50%);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--vk-text-muted);
    white-space: nowrap;
    background: color-mix(in oklch, var(--vk-surface) 85%, transparent);
    padding: 1px 5px;
    border-radius: 4px;
  }

  .vk-radar .vk-radar-point {
    position: absolute;
    left: var(--_x);
    top: var(--_y);
    width: 12px;
    height: 12px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: var(--c, var(--vk-c-1));
    border: 2px solid var(--vk-surface);
    box-shadow: 0 0 0 3px color-mix(in oklch, var(--c, var(--vk-c-1)) 30%, transparent);
    pointer-events: auto;
    cursor: pointer;
    z-index: 3;
    transition:
      left var(--vk-duration) var(--vk-ease),
      top var(--vk-duration) var(--vk-ease),
      transform 180ms ease;
  }

  .vk-radar .vk-radar-point:hover {
    transform: translate(-50%, -50%) scale(1.35);
  }

  .vk-radar .vk-radar-stem {
    position: absolute;
    top: 50%;
    left: 50%;
    height: 3px;
    width: var(--_r);
    background: linear-gradient(90deg, transparent, var(--c, var(--vk-c-1)));
    transform-origin: 0 50%;
    transform: rotate(var(--_angle));
    border-radius: 2px;
    transition: width var(--vk-duration) var(--vk-ease);
  }

  .vk-donut {
    --_size: 200px;
    --_thickness: 28px;
    width: var(--_size);
    height: var(--_size);
    margin: 0.5rem auto;
    border-radius: 50%;
    position: relative;
    background: conic-gradient(
      from 0deg,
      var(--vk-c-1) 0% calc(var(--s1, 35) * 1%),
      var(--vk-c-2) calc(var(--s1, 35) * 1%) calc((var(--s1, 35) + var(--s2, 25)) * 1%),
      var(--vk-c-3) calc((var(--s1, 35) + var(--s2, 25)) * 1%) calc((var(--s1, 35) + var(--s2, 25) + var(--s3, 22)) * 1%),
      var(--vk-c-4) calc((var(--s1, 35) + var(--s2, 25) + var(--s3, 22)) * 1%) 100%
    );
    display: grid;
    place-items: center;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.2);
  }

  .vk-donut::before {
    content: "";
    position: absolute;
    inset: var(--_thickness);
    background: var(--vk-surface);
    border-radius: 50%;
    z-index: 1;
  }

  .vk-donut-center {
    position: relative;
    z-index: 2;
    text-align: center;
  }

  .vk-donut-center strong {
    display: block;
    font-size: 1.45rem;
    font-family: var(--vk-font-mono);
    font-weight: 700;
  }

  .vk-donut-center span {
    font-size: 0.72rem;
    color: var(--vk-text-muted);
  }

  .vk-gauge {
    --_val: clamp(0, var(--val), 100);
    --_c: var(--c, var(--vk-c-3));
    width: 220px;
    height: 110px;
    margin: 0.75rem auto 0.25rem;
    position: relative;
    overflow: hidden;
  }

  .vk-gauge::before {
    content: "";
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: conic-gradient(
      from 270deg,
      var(--_c) 0deg calc(var(--_val) * 1.8deg),
      color-mix(in oklch, var(--vk-text) 10%, transparent) calc(var(--_val) * 1.8deg) 180deg,
      transparent 180deg 360deg
    );
    -webkit-mask: radial-gradient(circle, transparent 62%, #000 63%);
    mask: radial-gradient(circle, transparent 62%, #000 63%);
  }

  .vk-gauge-readout {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
  }

  .vk-heatmap {
    --vk-heat-color: var(--vk-c-1);
    display: grid;
    grid-template-columns: auto repeat(var(--cols, 7), 1fr);
    gap: 5px;
    align-items: center;
  }

  .vk-heatmap-cell {
    aspect-ratio: 1.35 / 1;
    border-radius: calc(var(--vk-radius) * 0.7);
    background: color-mix(
      in oklch,
      var(--vk-heat-color) calc(clamp(6, var(--val), 100) * 1%),
      color-mix(in oklch, var(--vk-text) 5%, transparent)
    );
    border: 1px solid color-mix(in oklch, var(--vk-heat-color) calc(var(--val) * 0.5%), transparent);
    display: grid;
    place-items: center;
    font-family: var(--vk-font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: color-mix(in oklch, var(--vk-text) 90%, transparent);
    position: relative;
    cursor: pointer;
    transition:
      background-color var(--vk-duration) var(--vk-ease),
      transform 150ms ease;
  }

  .vk-heatmap-cell:hover {
    transform: scale(1.08);
    z-index: 3;
    border-color: var(--vk-text);
  }

  .vk-heatmap-label {
    font-size: 0.72rem;
    color: var(--vk-text-muted);
    padding-right: 0.5rem;
    font-weight: 500;
  }

  .vk-heatmap-col-header {
    font-size: 0.7rem;
    color: var(--vk-text-muted);
    text-align: center;
    padding-bottom: 0.25rem;
  }

  .vk-range {
    display: grid;
    gap: 0.85rem;
  }

  .vk-range-row {
    display: grid;
    grid-template-columns: minmax(90px, 120px) 1fr 70px;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
  }

  .vk-range-track {
    height: 1.5rem;
    position: relative;
    background: color-mix(in oklch, var(--vk-text) 5%, transparent);
    border-radius: var(--vk-radius);
  }

  .vk-range-whisker {
    position: absolute;
    top: 50%;
    left: calc(var(--min, 10) * 1%);
    width: calc((var(--max, 90) - var(--min, 10)) * 1%);
    height: 2px;
    background: var(--vk-text-muted);
    transform: translateY(-50%);
    transition: left var(--vk-duration) var(--vk-ease), width var(--vk-duration) var(--vk-ease);
  }

  .vk-range-whisker::before,
  .vk-range-whisker::after {
    content: "";
    position: absolute;
    top: -4px;
    width: 2px;
    height: 10px;
    background: var(--vk-text-muted);
  }
  .vk-range-whisker::before { left: 0; }
  .vk-range-whisker::after { right: 0; }

  .vk-range-box {
    --_c: var(--c, var(--vk-c-2));
    position: absolute;
    top: 3px;
    bottom: 3px;
    left: calc(var(--q1, 25) * 1%);
    width: calc((var(--q3, 70) - var(--q1, 25)) * 1%);
    background: color-mix(in oklch, var(--_c) 80%, transparent);
    border: 1px solid var(--_c);
    border-radius: 4px;
    transition: left var(--vk-duration) var(--vk-ease), width var(--vk-duration) var(--vk-ease);
  }

  .vk-range-median {
    position: absolute;
    top: 1px;
    bottom: 1px;
    left: calc(var(--med, 45) * 1%);
    width: 2px;
    background: #fff;
    z-index: 2;
    transition: left var(--vk-duration) var(--vk-ease);
  }
}

@layer vektor.interactions {
  .vk-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
  }

  .vk-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.76rem;
    font-weight: 500;
    padding: 0.28rem 0.6rem;
    border-radius: 999px;
    background: color-mix(in oklch, var(--vk-text) 6%, transparent);
    border: 1px solid transparent;
    cursor: pointer;
    user-select: none;
    transition: all 160ms ease;
  }

  .vk-legend-item:hover {
    border-color: var(--vk-axis-color);
    background: color-mix(in oklch, var(--vk-text) 12%, transparent);
  }

  .vk-legend-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--c, var(--vk-c-1));
  }

  .vk-scope:has(.vk-legend-item[data-series="1"]:hover) [data-series]:not([data-series="1"]),
  .vk-scope:has(.vk-legend-item[data-series="2"]:hover) [data-series]:not([data-series="2"]),
  .vk-scope:has(.vk-legend-item[data-series="3"]:hover) [data-series]:not([data-series="3"]) {
    opacity: 0.18;
    filter: grayscale(65%);
  }

  .vk-bar:hover > li:not(:hover),
  table.vk-bar tbody:hover > tr:not(:hover) {
    opacity: 0.55;
  }

  @container vk-card (max-width: 420px) {
    .vk-bar {
      gap: 0.35rem;
      height: 190px;
    }
    .vk-bar > li::after,
    table.vk-bar tbody > tr::after {
      font-size: 0.65rem;
      transform: translateX(-50%) rotate(-32deg);
      transform-origin: top center;
    }
    .vk-hbar > li {
      grid-template-columns: 1fr auto;
      gap: 0.25rem;
    }
    .vk-hbar .vk-hbar-track {
      grid-column: 1 / -1;
      height: 1rem;
    }
    .vk-range-row {
      grid-template-columns: 1fr auto;
    }
    .vk-range-track {
      grid-column: 1 / -1;
    }
  }
}