/* =========================================================
   padi — Offensive Security Research Blog
   Light + dark themes. Wide layout. System fonts.
   ========================================================= */

/* -----------------------------------------------------------
   Theme Variables
   ----------------------------------------------------------- */

:root {
  /* Dark theme (default) — cool slate palette */
  --bg: #090c10;
  --surface: #11161d;
  --fg: #e4e7ec;
  --fg-secondary: #9ca3af;
  --muted: #737a85;
  --accent: #e06060;
  --accent-hover: #f09090;
  --accent-dim: rgba(224, 96, 96, 0.18);
  --border-color: #1a202c;
  --banner-bg: #11161d;
  --selection-bg: rgba(224, 96, 96, 0.18);
  --selection-fg: #e4e7ec;
}

/* Light theme */
[data-theme="light"] {
  --bg: #ffffff;
  --surface: #f8f9fa;
  --fg: #1a1a2e;
  --fg-secondary: #555;
  --muted: #6b7280;
  --accent: #1772d0;
  --accent-hover: #f09228;
  --accent-dim: rgba(23, 114, 208, 0.12);
  --border-color: #e5e7eb;
  --banner-bg: #f0f4f8;
  --selection-bg: rgba(23, 114, 208, 0.2);
  --selection-fg: #1a1a2e;
}

/* -----------------------------------------------------------
   Fonts & Base
   ----------------------------------------------------------- */

:root {
  --body-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --heading-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --code-font: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --body-font-size: 17px;
  --body-line-height: 1.72;
  --spacer: 1rem;
  --spacer-2: calc(var(--spacer) * 1.5);
  --spacer-3: calc(var(--spacer) * 3);
  --border-radius: 0.25rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--body-font);
  font-size: var(--body-font-size);
  line-height: var(--body-line-height);
  color: var(--fg);
  background-color: var(--bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover, a:focus {
  color: var(--accent-hover);
}

a strong { color: inherit; }

img {
  display: block;
  max-width: 100%;
  margin-bottom: var(--spacer);
  border-radius: var(--border-radius);
}

/* -----------------------------------------------------------
   Typography
   ----------------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 0.5rem;
  font-family: var(--heading-font);
  font-weight: 700;
  line-height: 1.25;
  color: var(--fg);
}

h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.025em;
}

h2 {
  margin-top: 2.5rem;
  padding-bottom: 0.35rem;
  font-size: 1.5rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
}

h3 {
  margin-top: 2rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent);
}

h4, h5, h6 {
  margin-top: 1.2rem;
  font-size: 1rem;
  font-weight: 600;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

ul, ol, dl {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li + li { margin-top: 0.25rem; }
dt { font-weight: 600; }
dd { margin-bottom: 0.5rem; }

hr {
  position: relative;
  margin: var(--spacer-2) 0;
  border: 0;
  height: 1px;
  background: var(--border-color);
}

blockquote {
  padding: 0.6rem 1.2rem;
  margin: 1rem 0;
  color: var(--fg-secondary);
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

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

@media (min-width: 30em) {
  blockquote {
    padding-right: 3rem;
    padding-left: 1.5rem;
  }
}

/* -----------------------------------------------------------
   Tables
   ----------------------------------------------------------- */

table {
  margin-bottom: 1rem;
  width: 100%;
  border: 0 solid var(--border-color);
  border-collapse: collapse;
  font-size: 0.92rem;
}

td, th {
  padding: 0.35rem 0.6rem;
  border-color: inherit;
  border-style: solid;
  border-width: 0;
  border-bottom-width: 1px;
}

th { text-align: left; }

thead th {
  font-family: var(--code-font);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-bottom: 2px solid var(--border-color);
}

mark {
  padding: 0.1em 0.3em;
  background-color: var(--accent-dim);
  color: var(--accent);
  border-radius: 2px;
}

/* -----------------------------------------------------------
   Code & Syntax Highlighting
   ----------------------------------------------------------- */

code, pre {
  font-family: var(--code-font);
}

code {
  font-size: 85%;
  color: var(--accent);
  background-color: var(--surface);
  padding: 0.15em 0.45em;
  border: 1px solid var(--border-color);
  border-radius: 3px;
}

pre {
  display: block;
  margin-top: 0;
  margin-bottom: var(--spacer-3);
  overflow: auto;
}

pre code {
  color: var(--fg);
  background: none;
  padding: 0;
  border: 0;
  font-size: 0.88rem;
}

.highlight {
  padding: var(--spacer);
  margin-bottom: var(--spacer);
  background-color: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow-x: auto;
}

.highlight pre { margin-bottom: 0; }
.highlight .highlight {
  padding: 0;
  border: 0;
}

/* Syntax highlighting — dark theme */
.highlight .hll { background-color: #1f2a1f; }
.highlight .c   { color: #5a7a5a; font-style: italic; }
.highlight .err { color: #f44747; }
.highlight .k   { color: #7dabf5; }
.highlight .o   { color: #d4d4d4; }
.highlight .ch  { color: #5a7a5a; font-style: italic; }
.highlight .cm  { color: #5a7a5a; font-style: italic; }
.highlight .cp  { color: #5a7a5a; }
.highlight .cpf { color: #5a7a5a; font-style: italic; }
.highlight .c1  { color: #5a7a5a; font-style: italic; }
.highlight .cs  { color: #5a7a5a; font-style: italic; }
.highlight .gd  { background-color: #3d1515; }
.highlight .ge  { font-style: italic; }
.highlight .gr  { color: #f44747; }
.highlight .gh  { color: #7dabf5; }
.highlight .gi  { background-color: #153d21; }
.highlight .go  { color: #5a7a5a; }
.highlight .gp  { color: #7dabf5; }
.highlight .gs  { font-weight: bold; }
.highlight .gu  { color: #7dabf5; }
.highlight .gt  { color: #f44747; }
.highlight .kc  { color: #7dabf5; }
.highlight .kd  { color: #7dabf5; }
.highlight .kn  { color: #7dabf5; }
.highlight .kp  { color: #7dabf5; }
.highlight .kr  { color: #7dabf5; }
.highlight .kt  { color: #e06060; }
.highlight .m   { color: #b5cea8; }
.highlight .s   { color: #d4a87c; }
.highlight .na  { color: #9cdcfe; }
.highlight .nb  { color: #7dabf5; }
.highlight .nc  { color: #e06060; }
.highlight .no  { color: #e06060; }
.highlight .nd  { color: #c586c0; }
.highlight .ni  { color: #7dabf5; }
.highlight .ne  { color: #7dabf5; }
.highlight .nf  { color: #dcdcaa; }
.highlight .nl  { color: #9cdcfe; }
.highlight .nn  { color: #e06060; }
.highlight .nt  { color: #7dabf5; }
.highlight .nv  { color: #9cdcfe; }
.highlight .ow  { color: #7dabf5; }
.highlight .w   { color: #d4d4d4; }
.highlight .mb  { color: #b5cea8; }
.highlight .mf  { color: #b5cea8; }
.highlight .mh  { color: #b5cea8; }
.highlight .mi  { color: #b5cea8; }
.highlight .mo  { color: #b5cea8; }
.highlight .sa  { color: #d4a87c; }
.highlight .sb  { color: #d4a87c; }
.highlight .sc  { color: #d4a87c; }
.highlight .dl  { color: #d4a87c; }
.highlight .sd  { color: #d4a87c; }
.highlight .s2  { color: #d4a87c; }
.highlight .se  { color: #d4a87c; }
.highlight .sh  { color: #d4a87c; }
.highlight .si  { color: #d4a87c; }
.highlight .sx  { color: #d4a87c; }
.highlight .sr  { color: #d4a87c; }
.highlight .s1  { color: #d4a87c; }
.highlight .ss  { color: #d4a87c; }
.highlight .bp  { color: #7dabf5; }
.highlight .fm  { color: #dcdcaa; }
.highlight .vc  { color: #9cdcfe; }
.highlight .vg  { color: #9cdcfe; }
.highlight .vi  { color: #9cdcfe; }
.highlight .vm  { color: #9cdcfe; }
.highlight .il  { color: #b5cea8; }

/* Light-theme overrides for syntax highlighting */
[data-theme="light"] .highlight .c   { color: #6a737d; }
[data-theme="light"] .highlight .err { color: #d73a49; }
[data-theme="light"] .highlight .k   { color: #d73a49; }
[data-theme="light"] .highlight .o   { color: #24292e; }
[data-theme="light"] .highlight .cm  { color: #6a737d; }
[data-theme="light"] .highlight .cp  { color: #6a737d; }
[data-theme="light"] .highlight .c1  { color: #6a737d; }
[data-theme="light"] .highlight .cs  { color: #6a737d; }
[data-theme="light"] .highlight .gd  { background-color: #ffeef0; }
[data-theme="light"] .highlight .ge  { font-style: italic; }
[data-theme="light"] .highlight .gr  { color: #d73a49; }
[data-theme="light"] .highlight .gh  { color: #005cc5; }
[data-theme="light"] .highlight .gi  { background-color: #f0fff4; }
[data-theme="light"] .highlight .go  { color: #6a737d; }
[data-theme="light"] .highlight .gp  { color: #005cc5; }
[data-theme="light"] .highlight .gs  { font-weight: bold; }
[data-theme="light"] .highlight .gu  { color: #005cc5; }
[data-theme="light"] .highlight .gt  { color: #d73a49; }
[data-theme="light"] .highlight .kc  { color: #d73a49; }
[data-theme="light"] .highlight .kd  { color: #d73a49; }
[data-theme="light"] .highlight .kn  { color: #d73a49; }
[data-theme="light"] .highlight .kp  { color: #d73a49; }
[data-theme="light"] .highlight .kr  { color: #d73a49; }
[data-theme="light"] .highlight .kt  { color: #6f42c1; }
[data-theme="light"] .highlight .m   { color: #005cc5; }
[data-theme="light"] .highlight .s   { color: #032f62; }
[data-theme="light"] .highlight .na  { color: #005cc5; }
[data-theme="light"] .highlight .nb  { color: #005cc5; }
[data-theme="light"] .highlight .nc  { color: #6f42c1; }
[data-theme="light"] .highlight .no  { color: #6f42c1; }
[data-theme="light"] .highlight .nd  { color: #6f42c1; }
[data-theme="light"] .highlight .ni  { color: #005cc5; }
[data-theme="light"] .highlight .ne  { color: #005cc5; }
[data-theme="light"] .highlight .nf  { color: #6f42c1; }
[data-theme="light"] .highlight .nl  { color: #005cc5; }
[data-theme="light"] .highlight .nn  { color: #6f42c1; }
[data-theme="light"] .highlight .nt  { color: #22863a; }
[data-theme="light"] .highlight .nv  { color: #005cc5; }
[data-theme="light"] .highlight .ow  { color: #d73a49; }
[data-theme="light"] .highlight .w   { color: #24292e; }
[data-theme="light"] .highlight .bp  { color: #005cc5; }
[data-theme="light"] .highlight .fm  { color: #6f42c1; }
[data-theme="light"] .highlight .vc  { color: #005cc5; }
[data-theme="light"] .highlight .vg  { color: #005cc5; }
[data-theme="light"] .highlight .vi  { color: #005cc5; }

h1 code, h2 code, h3 code, h4 code, h5 code, h6 code {
  font-size: inherit;
  background: none;
  border: 0;
  padding: 0;
}

/* -----------------------------------------------------------
   Layout — wider, like old blog
   ----------------------------------------------------------- */

.container {
  max-width: 52rem;
  padding-left: var(--spacer-2);
  padding-right: var(--spacer-2);
  margin-left: auto;
  margin-right: auto;
}

footer {
  margin-top: var(--spacer-3);
  margin-bottom: var(--spacer-3);
}

/* -----------------------------------------------------------
   Banner
   ----------------------------------------------------------- */

.masthead-banner {
  width: 100%;
  height: 200px;
  background-color: var(--banner-bg);
  background-size: cover;
  background-position: center;
  margin-top: var(--spacer-2);
  margin-bottom: var(--spacer-2);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

/* -----------------------------------------------------------
   Header / Masthead
   ----------------------------------------------------------- */

.masthead {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding-top: var(--spacer);
  padding-bottom: var(--spacer-2);
  margin-bottom: var(--spacer-3);
  border-bottom: 1px solid var(--border-color);
}

.masthead-brand {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.masthead-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.masthead-title a {
  color: var(--fg);
  text-decoration: none;
}

.masthead-title a:hover {
  color: var(--accent);
}

.masthead-tagline {
  font-family: var(--code-font);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.masthead-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav {
  font-family: var(--code-font);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav a {
  margin-left: 1.4rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav a:first-child { margin-left: 0; }

.nav a:hover { color: var(--accent); }

/* -----------------------------------------------------------
   Theme Toggle
   ----------------------------------------------------------- */

.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.3rem 0.5rem;
  line-height: 1;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
}

/* Dark theme (default): show sun icon (to switch to light) */
.theme-toggle .icon-sun { display: inline; }
.theme-toggle .icon-moon { display: none; }

/* Light theme: show moon icon (to switch to dark) */
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: inline; }

/* -----------------------------------------------------------
   Posts (Listing)
   ----------------------------------------------------------- */

.posts { margin-bottom: var(--spacer-3); }

.posts .post {
  margin-bottom: 3.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-color);
}

.posts .post:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}

.posts .post-title {
  font-size: 1.55rem;
  margin-bottom: 0.25rem;
}

.posts .post-title a {
  color: var(--fg);
  text-decoration: none;
  transition: color 0.15s ease;
}

.posts .post-title a:hover { color: var(--accent); }

.posts .post-date {
  display: block;
  margin-bottom: 0.8rem;
  font-family: var(--code-font);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.posts .post p {
  color: var(--fg-secondary);
  font-size: 0.95rem;
}

.posts .post p a {
  font-family: var(--code-font);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* -----------------------------------------------------------
   Single Post
   ----------------------------------------------------------- */

.post, .page { margin-bottom: 3rem; }

.post-title, .page-title {
  color: var(--fg);
  margin-top: 0;
  margin-bottom: 0.3rem;
}

.post-title a {
  color: inherit;
  text-decoration: none;
}

.post-title a:hover { color: var(--accent); }

.post-date {
  display: block;
  margin-bottom: var(--spacer);
  font-family: var(--code-font);
  font-size: 0.8rem;
  color: var(--muted);
}

/* -----------------------------------------------------------
   Tags
   ----------------------------------------------------------- */

.post-tags {
  margin-bottom: var(--spacer);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.post-tag {
  display: inline-block;
  font-family: var(--code-font);
  font-size: 0.68rem;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  padding: 0.2em 0.6em;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.post-tag:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* -----------------------------------------------------------
   Pagination
   ----------------------------------------------------------- */

.pagination {
  display: flex;
  justify-content: space-between;
  margin: var(--spacer-3) 0;
  gap: 1rem;
}

.pagination-item {
  font-family: var(--code-font);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.6rem 1rem;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: all 0.15s ease;
}

a.pagination-item:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* -----------------------------------------------------------
   Archive
   ----------------------------------------------------------- */

.archive-list {
  list-style: none;
  padding-left: 0;
}

.archive-list li { padding: 0.35rem 0; }

.archive-list a {
  color: var(--fg);
  text-decoration: none;
  transition: color 0.15s ease;
}

.archive-list a:hover { color: var(--accent); }

/* -----------------------------------------------------------
   Footer
   ----------------------------------------------------------- */

.footer {
  padding-top: var(--spacer-2);
  border-top: 1px solid var(--border-color);
}

.footer small {
  font-family: var(--code-font);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* -----------------------------------------------------------
   Misc
   ----------------------------------------------------------- */

.message {
  padding: var(--spacer);
  margin-bottom: var(--spacer);
  color: #fff;
  background-color: var(--accent);
  border-radius: var(--border-radius);
  font-weight: 500;
}

.lead {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--fg-secondary);
}

/* Table of Contents */
#markdown-toc {
  padding: var(--spacer-2) var(--spacer-3);
  margin-bottom: var(--spacer-2);
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

#markdown-toc::before {
  display: block;
  margin-bottom: 0.5rem;
  margin-left: calc(var(--spacer-3) * -1);
  content: "Contents";
  font-family: var(--code-font);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* Footnotes */
.footnotes {
  margin-top: 2.5rem;
  padding-top: var(--spacer);
  border-top: 1px solid var(--border-color);
  font-size: 85%;
  color: var(--muted);
}

/* -----------------------------------------------------------
   Responsive images
   ----------------------------------------------------------- */

.post img, .page img {
  max-width: 100%;
  height: auto;
}

/* -----------------------------------------------------------
   Selection
   ----------------------------------------------------------- */

::selection {
  background: var(--selection-bg);
  color: var(--selection-fg);
}

::-moz-selection {
  background: var(--selection-bg);
  color: var(--selection-fg);
}

/* -----------------------------------------------------------
   Focus
   ----------------------------------------------------------- */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* -----------------------------------------------------------
   Responsive
   ----------------------------------------------------------- */

@media (max-width: 600px) {
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.3rem; }
  .posts .post-title { font-size: 1.3rem; }
  .masthead { flex-direction: column; }
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .masthead-banner {
    height: 80px;
  }
}