/*
  hygguile - cozy and professional user-interfaces for everyone

  Copyright © Josep Bigorra <jjbigorra@gmail.com>

  hygguile is free software: you can redistribute it and/or modify
  it under the terms of the Lesser GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  hygguile is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  Lesser GNU General Public License for more details.

  You should have received a copy of the Lesser GNU General Public License
  along with hygguile.  If not, see <https://www.gnu.org/licenses/>.
*/
                                     

/*------------------------------------------------------------------------------
  1. ROOT & COLOR DEFINITIONS
------------------------------------------------------------------------------*/

:root {
  color-scheme: light dark;

  /* Fonts */
  --font-sans: "IBM Plex Sans", "Roboto", sans-serif;  
  --font-mono: "IBM Plex Mono", "Fira Code", "JetBrains Mono", ui-monospace, monospace;
  --font-size-base: 1rem; /* 16px */
  --line-height-base: 1.6;

  /* Sizing & Spacing */
  --spacing-unit: 1rem;
  --container-width: 80ch; /* Optimal for readability */
  --border-radius: 4px;

  /* Transitions */
  --transition-speed: 0.2s ease-in-out;

  /* Light Theme (Modern Default) */
  --bg-primary: #f5f5f7;
  --bg-secondary: #ffffff;
  --text-primary: #1d1d1f;
  --text-secondary: #555555;
  --accent-primary: #007aff;
  --accent-secondary: #0056b3;
  --border-color: #d2d2d7;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --code-bg: #eef0f2;
  --code-text: #d73a49; /* A common syntax color for contrast */
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Dark Theme (Hacker Aesthetic) */
    --bg-primary: #0a0e14;
    --bg-secondary: #161b22;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-primary: #a4f396; /* Neon Green */
    --accent-secondary: #d2f8cc;
    --border-color: rgba(57, 255, 20, 0.2);
    --shadow-color: rgba(57, 255, 20, 0.5);
    --code-bg: #010409;
    --code-text: var(--text-primary);
  }
}

/*------------------------------------------------------------------------------
  2. GLOBAL RESETS & BASE STYLES
------------------------------------------------------------------------------*/
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background-color: var(--bg-primary);
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  /* Subtle scanline effect for the background */
  background-image: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0.02) 1px,
    transparent 1px,
    transparent 2px
  );
}

body {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: var(--line-height-base);
  margin: calc(var(--spacing-unit) * 2) auto;
  padding: calc(var(--spacing-unit) * 2);
  max-width: var(--container-width);
  border: 1px solid var(--border-color);
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.2), 0 0 5px var(--shadow-color);
}

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

hr {
  border: none;
  height: 1px;
  background-color: var(--border-color);
  margin: calc(var(--spacing-unit) * 2) 0;
}

/*------------------------------------------------------------------------------
  3. TYPOGRAPHY
------------------------------------------------------------------------------*/

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin: var(--spacing-unit) 0;
  color: var(--accent-primary);
  text-shadow: 0 0 5px var(--shadow-color);
}

h1::before {
  content: "~# ";
  opacity: 0.6;
}

h2::before {
  content: ">> ";
}

h1 {
  font-size: 2.2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: calc(var(--spacing-unit) / 2);
}
h2 {
  font-size: 1.8rem;
}
h3 {
  font-size: 1.4rem;
}
h4 {
  font-size: 1.2rem;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-speed);
  text-shadow: 0 0 3px var(--shadow-color);
}

a:hover,
a:focus {
  color: var(--accent-secondary);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-shadow: 0 0 8px var(--shadow-color);
}

blockquote {
  margin-left: 0;
  padding-left: var(--spacing-unit);
  border-left: 3px solid var(--accent-primary);
  font-style: italic;
  color: var(--text-secondary);
}

abbr[title] {
  cursor: help;
  text-decoration: underline;
  text-decoration-style: dotted;
}

li {
  padding: calc(var(--spacing-unit) / 4) 0;
}

/*------------------------------------------------------------------------------
  4. CODE & PREFORMATTED TEXT
------------------------------------------------------------------------------*/

/* Inline code */
code,
samp,
tt,
var,
.key {
  font-family: var(--font-mono);
  background-color: var(--code-bg);
  color: var(--code-text);
  padding: 0.2em 0.4em;
  border-radius: var(--border-radius);
  font-size: 0.9em;
  border: 1px solid var(--border-color);
}

/* Code blocks */
pre {
  font-family: var(--font-mono);    
  background-color: var(--code-bg);
  padding: var(--spacing-unit);
  margin: var(--spacing-unit) 0;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  overflow-x: auto;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.4);
  font-size: 0.9em;
}

pre code {
  background-color: transparent;
  padding: 0;
  border: none;
  font-size: 1em;
  color: inherit;
}

/*------------------------------------------------------------------------------
  5. TABLES & DEFINITION LISTS
------------------------------------------------------------------------------*/

table {
  width: 100%;
  border-collapse: collapse;
  margin: calc(var(--spacing-unit) * 2) 0;
}

th,
td {
  padding: calc(var(--spacing-unit) / 1.5);
  text-align: left;
  border: 1px solid var(--border-color);
}

th {
  background-color: var(--bg-primary);
  color: var(--accent-primary);
  font-weight: 600;
}

dl {
  margin: var(--spacing-unit) 0;
}

dt {
  background-color: var(--bg-primary);
  padding: calc(var(--spacing-unit) / 2);
  font-weight: bold;
  border-top: 1px solid var(--border-color);
}

dd {
  padding: var(--spacing-unit);
  margin-left: 0;
  border: 1px solid var(--border-color);
  border-top: none;
}

/*------------------------------------------------------------------------------
  6. COMPONENTS & CLASSES
------------------------------------------------------------------------------*/

.nav-panel {
  background-color: var(--bg-primary);
  padding: calc(var(--spacing-unit) / 2) var(--spacing-unit);
  border-bottom: 1px solid var(--border-color);
  margin: calc(var(--spacing-unit) * -2) calc(var(--spacing-unit) * -2)
    calc(var(--spacing-unit) * 2);
  font-size: 0.9em;
}

.float {
  margin: calc(var(--spacing-unit) * 2) 0;
}

.float > img {
  margin-inline: auto;
}

.caption {
  font-size: 0.9em;
  text-align: center;
  color: var(--text-secondary);
  margin-top: calc(var(--spacing-unit) / 2);
}

.footnote {
  font-size: 0.9em;
  margin: calc(var(--spacing-unit) * 3) 0;
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-unit);
}

.footnote h3 {
  display: inline;
  font-size: 1em;
}

.menu table {
  border: none;
}
.menu td,
.menu th {
  border-style: none;
  padding: 0.5em 0;
  background-color: transparent;
}
.menu td:last-child {
  width: 60%;
}