/* ============================================================
   matta.dev — Typewriter-themed blog
   Dark + Amber. Full monospace. No dependencies.
   ============================================================ */

/* ---- Google Font (Courier Prime) ---- */
@import url('https://fonts.googleapis.com/css2?family=Courier+Prime:ital,wght@0,400;0,700;1,400;1,700&display=swap');

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

/* ---- Design Tokens ---- */
:root {
  --color-bg: #0c0a09;
  --color-surface: #1c1917;
  --color-surface-hover: #231f1b;
  --color-border: #2e2822;
  --color-border-light: #3d3529;
  --color-text: #d6c4b0;
  --color-text-bright: #edd9c4;
  --color-text-muted: #7c6f62;
  --color-amber: #c9956b;
  --color-amber-bright: #e4b37d;
  --color-amber-dim: #8a6844;
  --color-ink: #a08872;
  --color-red: #c75a5a;
  --color-green: #7aad6f;
  --font-mono: 'Courier Prime', 'Courier New', 'Lucida Console', monospace;
  --max-width: 720px;
  --radius: 2px;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  min-height: 100vh;
}

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

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-amber-dim); }

/* ---- Links ---- */
a {
  color: var(--color-amber);
  text-decoration: none;
  border-bottom: 1px dashed var(--color-amber-dim);
  transition: color 0.15s, border-color 0.15s;
}
a:hover {
  color: var(--color-amber-bright);
  border-bottom-style: solid;
  border-bottom-color: var(--color-amber-bright);
}

/* ---- Layout ---- */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- Header / Nav ---- */
header {
  border-bottom: 1px solid var(--color-border);
  padding: 0 1.5rem;
  background: var(--color-bg);
}

header nav {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  height: 64px;
}

header .logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-amber-bright);
  letter-spacing: 0.05em;
  border-bottom: none;
}

header .logo::before {
  content: '> ';
  color: var(--color-text-muted);
  font-weight: 400;
}

header .nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

header .nav-links li {
  display: flex;
  align-items: center;
}

header .nav-links a {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  border-bottom: none;
  transition: color 0.15s;
}

header .nav-links a:hover {
  color: var(--color-amber);
  border-bottom: none;
}

header .nav-links a.active {
  color: var(--color-amber-bright);
  border-bottom: none;
}

header .nav-links a::before {
  content: '[';
  color: var(--color-amber-dim);
}

header .nav-links a::after {
  content: ']';
  color: var(--color-amber-dim);
}

/* ---- Main Content ---- */
main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* ---- Typography ---- */
h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  color: var(--color-amber-bright);
}

h1 { font-size: 1.85rem; }
h2 { font-size: 1.4rem; margin-top: 2.5rem; }
h3 { font-size: 1.1rem; margin-top: 1.5rem; }

p {
  margin-bottom: 1.2rem;
}

/* ---- Typing Cursor ---- */
.typewriter-cursor::after {
  content: '█';
  animation: blink 1s step-end infinite;
  color: var(--color-amber);
  margin-left: 2px;
  font-weight: 400;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ---- Typing Animation ---- */
@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

.typing-line {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--color-amber);
  animation: typewriter 0.8s steps(30, end) forwards, blinkCursor 0.75s step-end infinite;
}

@keyframes blinkCursor {
  0%, 100% { border-color: var(--color-amber); }
  50% { border-color: transparent; }
}

/* ---- Cards ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-amber-dim);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  transition: border-color 0.2s, background 0.2s;
}

.card:hover {
  border-left-color: var(--color-amber);
  background: var(--color-surface-hover);
}

/* ---- Post List ---- */
.post-item {
  cursor: pointer;
}

.post-item .post-date {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.post-item .post-date::before {
  content: '// ';
}

.post-item .post-title {
  color: var(--color-text-bright);
  font-size: 1rem;
  font-weight: 700;
  margin: 0.25rem 0;
}

.post-item .post-summary {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

.post-item .post-read {
  color: var(--color-amber-dim);
  font-size: 0.8rem;
}

/* ---- Hero ---- */
.hero {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.hero h1 {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.hero .subtitle {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-style: italic;
}

.hero .subtitle::before {
  content: '~ ';
}

.hero .subtitle::after {
  content: ' ~';
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--color-amber-dim);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
  color: var(--color-amber);
  background: transparent;
  border-bottom: 1px solid var(--color-amber-dim);
  letter-spacing: 0.05em;
}

.btn:hover {
  color: var(--color-bg);
  background: var(--color-amber);
  border-color: var(--color-amber);
}

.btn:active {
  transform: translateY(1px);
}

/* ---- Code ---- */
code {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.1rem 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--color-amber);
}

pre {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-amber-dim);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  line-height: 1.7;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-text);
}

/* ---- Blockquote ---- */
blockquote {
  border-left: 3px solid var(--color-amber-dim);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ---- Horizontal Rule ---- */
hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

/* ---- Separator (typewriter style) ---- */
.separator {
  text-align: center;
  color: var(--color-text-muted);
  letter-spacing: 0.5em;
  margin: 2rem 0;
  font-size: 0.75rem;
  user-select: none;
}

/* ---- Lists ---- */
ul, ol {
  margin-left: 1.5rem;
  margin-bottom: 1.2rem;
}

li {
  margin-bottom: 0.35rem;
}

li::marker {
  color: var(--color-amber-dim);
}

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
}

footer a {
  border-bottom: none;
}

/* ---- Page Transition ---- */
#outlet {
  animation: pageIn 0.25s ease;
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Utilities ---- */
.text-muted { color: var(--color-text-muted); }
.text-amber { color: var(--color-amber); }
.text-bright { color: var(--color-text-bright); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ---- Auth Nav ---- */
.auth-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
}

.auth-nav a {
  color: var(--color-amber);
  border-bottom: 1px dashed var(--color-amber-dim);
}

.auth-nav a:hover {
  border-bottom-style: solid;
}

.nav-user {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

/* ---- Nav Right (RSS + Auth) ---- */
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.rss-link {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  transition: all 0.15s;
  position: relative;
}

.rss-link::before {
  content: '[';
  color: var(--color-amber-dim);
}

.rss-link::after {
  content: ']';
  color: var(--color-amber-dim);
}

.rss-link:hover {
  color: var(--color-amber);
  background: var(--color-surface);
  border-color: var(--color-border);
  border-bottom: none;
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.form-group input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus {
  border-color: var(--color-amber);
}

.form-group textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s;
  resize: vertical;
  line-height: 1.7;
}

.form-group textarea:focus {
  border-color: var(--color-amber);
}

/* ---- Nav Plus Button ---- */
.nav-plus {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 400;
  cursor: pointer;
  padding: 0.3rem 0.1rem;
  transition: color 0.15s;
  border-bottom: none;
}

.nav-plus::before {
  content: '[';
  color: var(--color-amber-dim);
}

.nav-plus::after {
  content: ']';
  color: var(--color-amber-dim);
}

.nav-plus:hover {
  color: var(--color-amber-bright);
  border-bottom: none;
}

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(12, 10, 9, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-amber-dim);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  margin: auto;
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--color-amber-bright);
}

.modal-close {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.1rem 0.5rem;
  transition: all 0.15s;
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-amber);
  border-color: var(--color-amber);
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.2rem; }
  .hero h1 { font-size: 1.75rem; }
  header nav { height: 56px; flex-wrap: wrap; }
  header .nav-links a { font-size: 0.75rem; padding: 0.25rem 0.5rem; }
  main { padding: 2rem 1rem; }
  .modal { padding: 1.25rem; max-height: 95vh; }
}