/* Datastruct Design System - Base Styles */

/* Design Tokens */
:root {
  --ds-bg: #ffffff;
  --ds-surface: #fafafa;
  --ds-surface-elevated: #f5f5f5;
  --ds-border: #e0e0e0;
  --ds-border-light: #eeeeee;
  --ds-text: #000000;
  --ds-text-dim: #666666;
  --ds-text-dimmer: #999999;
  --ds-cyan: #0066cc;
  --ds-cyan-dim: #004499;
  --ds-amber: #cc7700;
  --ds-green: #008844;
  --ds-red: #cc0033;
}

/* Typography */
body,
button,
input,
select,
textarea {
  font-family: "JetBrains Mono", monospace;
}

body {
  background: var(--ds-bg);
}

/* Grid Pattern Background */
.grid-pattern {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.035) 1px, transparent 1px);
  background-size: 24px 24px;
  position: relative;
}

/* Grid Pattern Edge Fade - Only fades the background grid pattern */
/* Start with minimal fade at 1380px */
@media (min-width: 1380px) and (max-width: 1439px) {
  .grid-pattern {
    -webkit-mask-image: linear-gradient(
      to right,
      transparent 0%,
      black 3%,
      black 97%,
      transparent 100%
    );
    mask-image: linear-gradient(
      to right,
      transparent 0%,
      black 3%,
      black 97%,
      transparent 100%
    );
  }
}

/* Gradually increase fade as viewport grows */
@media (min-width: 1440px) and (max-width: 1539px) {
  .grid-pattern {
    -webkit-mask-image: linear-gradient(
      to right,
      transparent 0%,
      black 5%,
      black 95%,
      transparent 100%
    );
    mask-image: linear-gradient(
      to right,
      transparent 0%,
      black 5%,
      black 95%,
      transparent 100%
    );
  }
}

/* Static fade amount at 1540px and above */
@media (min-width: 1540px) {
  .grid-pattern {
    -webkit-mask-image: linear-gradient(
      to right,
      transparent 0%,
      black 8%,
      black 92%,
      transparent 100%
    );
    mask-image: linear-gradient(
      to right,
      transparent 0%,
      black 8%,
      black 92%,
      transparent 100%
    );
  }
}

/* Border Fade Effect - Only for borders */
/* Default: regular borders for all screen sizes */
.border-fade-t {
  border-top: 1px solid var(--ds-border);
}

.border-fade-b {
  border-bottom: 1px solid var(--ds-border);
}

/* On large screens: apply gradient fade that scales with viewport */
/* Minimal fade at 1380px */
@media (min-width: 1380px) and (max-width: 1439px) {
  .border-fade-t {
    border-image: linear-gradient(
        to right,
        transparent 0%,
        var(--ds-border) 3%,
        var(--ds-border) 97%,
        transparent 100%
      )
      1;
  }

  .border-fade-b {
    border-image: linear-gradient(
        to right,
        transparent 0%,
        var(--ds-border) 3%,
        var(--ds-border) 97%,
        transparent 100%
      )
      1;
  }
}

/* Medium fade at 1440px */
@media (min-width: 1440px) and (max-width: 1539px) {
  .border-fade-t {
    border-image: linear-gradient(
        to right,
        transparent 0%,
        var(--ds-border) 5%,
        var(--ds-border) 95%,
        transparent 100%
      )
      1;
  }

  .border-fade-b {
    border-image: linear-gradient(
        to right,
        transparent 0%,
        var(--ds-border) 5%,
        var(--ds-border) 95%,
        transparent 100%
      )
      1;
  }
}

/* Static fade at 1540px and above */
@media (min-width: 1540px) {
  .border-fade-t {
    border-image: linear-gradient(
        to right,
        transparent 0%,
        var(--ds-border) 8%,
        var(--ds-border) 92%,
        transparent 100%
      )
      1;
  }

  .border-fade-b {
    border-image: linear-gradient(
        to right,
        transparent 0%,
        var(--ds-border) 8%,
        var(--ds-border) 92%,
        transparent 100%
      )
      1;
  }
}

/* Navigation Links */
.nav-link {
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--ds-cyan);
  border-color: var(--ds-cyan);
}

/* Glow Border Effect */
.glow-border {
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ds-cyan) 20%, transparent);
}

/* Code Block Styling */
pre code {
  white-space: pre-wrap;
  word-break: break-word;
}

/* Striped Table */
.table-striped tbody tr:nth-child(even) {
  background-color: var(--ds-surface);
}

/* Fade In Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.delay-100 {
  animation-delay: 0.1s;
  opacity: 0;
}
.delay-200 {
  animation-delay: 0.2s;
  opacity: 0;
}
.delay-300 {
  animation-delay: 0.3s;
  opacity: 0;
}
.delay-400 {
  animation-delay: 0.4s;
  opacity: 0;
}

/* Customizable Select with logos (Chrome 130+, Firefox 133+).
   Falls back gracefully — older browsers strip <img>/HTML inside <option>
   and render text only. */
select.ds-source-select,
select.ds-source-select::picker(select) {
  appearance: base-select;
}

/* The popup that opens when the select is clicked. */
select.ds-source-select::picker(select) {
  border: 1px solid var(--ds-border);
  border-radius: 0;
  background: var(--ds-bg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  padding: 4px 0;
  margin-top: 2px;
  max-height: 360px;
  overflow-y: auto;
}

.ds-source-select option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: none;
  background: transparent;
  color: var(--ds-text);
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
}
.ds-source-select option > span {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}
/* Pin the closed select to a single line; clip anything taller. */
select.ds-source-select {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  height: 2.375rem;
  display: flex;
  align-items: center;
}
/* Let the popup expand horizontally so options aren't truncated there. */
select.ds-source-select::picker(select) {
  min-width: max-content;
}
.ds-source-select option:hover,
.ds-source-select option:focus {
  background: var(--ds-surface);
  outline: none;
}
.ds-source-select option:checked {
  background: var(--ds-surface-elevated);
}
.ds-source-select option::checkmark {
  display: none;
}
.ds-source-select__logo {
  flex-shrink: 0;
  border-radius: 2px;
}

/* Date inputs — soften the browser-default calendar indicator to match
   the design system's quiet, line-oriented controls. The popup calendar
   itself is browser chrome and not stylable beyond this. */
.ds-date-input::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.5;
  filter: grayscale(1);
  transition: opacity 0.15s ease;
}
.ds-date-input::-webkit-calendar-picker-indicator:hover {
  opacity: 0.85;
}
.ds-date-input:focus {
  outline: none;
}