/* ============================================
   Marky MD — Duotone Party
   Professional + Cheeky · Teal & Pink
   ============================================ */

:root {
  --bg: #0a0a1a;
  --bg-surface: rgba(255, 255, 255, 0.03);
  --bg-input: rgba(0, 0, 0, 0.3);
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(0, 230, 160, 0.3);
  --focus-glow: rgba(0, 230, 160, 0.08);
  --primary: #00e6a0;
  --primary-hover: #00d4b8;
  --primary-surface: rgba(0, 230, 160, 0.12);
  --accent: #ff0088;
  --accent-surface: rgba(255, 0, 136, 0.08);
  --accent-border: rgba(255, 0, 136, 0.3);
  --text: #e0e0e0;
  --text-muted: rgba(255, 255, 255, 0.4);
  --text-dim: rgba(255, 255, 255, 0.25);
  --error-bg: #3b1520;
  --error-border: #e5484d;
  --error-text: #f5a0a8;
  --code-bg: rgba(0, 0, 0, 0.3);
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Courier New', monospace;
  --font-prose: Georgia, 'Times New Roman', serif;
}

/* --- Reset & Base --- */

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

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* --- Silhouettes --- */

.silhouette {
  position: fixed;
  bottom: 0;
  width: 800px;
  height: 1120px;
  pointer-events: none;
  z-index: -1;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: bottom center;
  opacity: 0.07;
}

.silhouette-left {
  left: -40px;
  background-image: url('/static/markymark-bg-teal.png');
}

.silhouette-right {
  right: -40px;
  background-image: url('/static/markymd-bg-pink.png');
}

/* --- Header --- */

header {
  text-align: center;
  padding: 2.5rem 1rem 1rem;
  position: relative;
  z-index: 1;
}

header h1 {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: bold;
  letter-spacing: 6px;
}

header h1 a {
  text-decoration: none;
}

.title-marky {
  color: var(--primary);
}

.title-md {
  color: var(--accent);
}

header h1 a:hover .title-marky {
  text-shadow: 0 0 25px rgba(0, 230, 160, 0.5);
}

header h1 a:hover .title-md {
  text-shadow: 0 0 25px rgba(255, 0, 136, 0.5);
}

.tagline {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.35);
  margin-top: 0.5rem;
  font-style: italic;
}

.tagline .count {
  color: var(--accent);
  font-style: normal;
  font-weight: 600;
}

/* --- Main Layout --- */

main {
  flex: 1;
  max-width: 700px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1rem;
  position: relative;
  z-index: 1;
}

/* --- Landing Page --- */

.landing {
  width: 100%;
}

/* --- Tabs --- */

.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 0;
}

.tab {
  padding: 0.55rem 1.1rem;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  transition: all 0.15s;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.tab:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.6);
}

.tab.active {
  background: var(--primary-surface);
  color: var(--primary);
  font-weight: 600;
}

/* --- Tab Content --- */

.input-panel {
  /* wrapper for tab content panels */
}

.tab-content {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 6px 6px 6px;
  padding: 1.25rem;
}

.tab-content.active {
  display: block;
}

/* --- Form Elements --- */

textarea {
  width: 100%;
  min-height: 200px;
  padding: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  resize: vertical;
}

textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--focus-glow);
}

textarea::placeholder {
  color: var(--text-dim);
}

input[type="url"],
input[type="text"] {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
}

input[type="url"]:focus,
input[type="text"]:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--focus-glow);
}

input[type="url"]::placeholder,
input[type="text"]::placeholder {
  color: var(--text-dim);
}

input[type="file"] {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}

input[type="file"]::file-selector-button {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.3rem 0.75rem;
  cursor: pointer;
  margin-right: 0.75rem;
}

input[type="file"]::file-selector-button:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* --- Buttons --- */

.render-btn {
  display: block;
  width: 100%;
  margin-top: 0.85rem;
  padding: 0.7rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-ui);
  color: var(--bg);
  background: var(--primary);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.5px;
}

.render-btn:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 20px rgba(0, 230, 160, 0.2);
}

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

/* --- URL Tab --- */

.url-instructions {
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* --- Preview Area --- */

.preview-area {
  margin-top: 1.5rem;
}

.preview-content {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.6rem;
  margin-bottom: 1rem;
}

.preview-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  font-weight: 500;
}

/* --- Save Button --- */

.save-btn {
  background: transparent;
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  padding: 0.35rem 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.save-btn:hover {
  background: var(--accent-surface);
  border-color: var(--accent);
}

.saved {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.save-btn.saved {
  color: var(--primary);
  border-color: var(--primary);
  cursor: default;
}

.cid-link {
  font-size: 0.75rem;
  color: var(--primary);
  text-decoration: none;
}

.cid-link:hover {
  text-decoration: underline;
}

/* --- Preview Page --- */

.preview-page {
  width: 100%;
}

.source-url {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.source-url a {
  color: var(--primary);
  text-decoration: none;
}

.source-url a:hover {
  text-decoration: underline;
}

/* --- Share Link --- */

.share-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.share-cid {
  font-size: 0.8rem;
  color: var(--primary);
  text-decoration: none;
  font-family: var(--font-mono);
}

.share-cid:hover {
  text-decoration: underline;
}

.copy-btn {
  background: transparent;
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.copy-btn:hover {
  background: var(--accent-surface);
  border-color: var(--accent);
}

.copy-btn.copied {
  color: var(--primary);
  border-color: var(--primary);
}

/* --- Error --- */

.error {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
  padding: 1rem 1.25rem;
  border-radius: 6px;
}

.error p {
  margin: 0;
}

/* --- Toast --- */

.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-surface);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  padding: 0.6rem 1.25rem;
  border-radius: 6px;
  z-index: 1000;
  white-space: nowrap;
  animation: toast-fade 4s ease-in-out forwards;
}

@keyframes toast-fade {
  0% { opacity: 0; transform: translateX(-50%) translateY(10px); }
  10% { opacity: 1; transform: translateX(-50%) translateY(0); }
  75% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

/* --- Pro Tip --- */

.pro-tip {
  text-align: center;
  margin-top: 2rem;
  padding: 1rem;
  border: 1px dashed var(--border);
  border-radius: 6px;
  color: var(--text-dim);
  font-size: 0.75rem;
}

.tip-url {
  color: var(--primary);
  display: inline-block;
  margin-top: 0.25rem;
}

/* --- Rendered Markdown Prose --- */

.rendered-markdown {
  font-family: var(--font-prose);
  line-height: 1.75;
  color: var(--text);
}

.rendered-markdown h1,
.rendered-markdown h2,
.rendered-markdown h3,
.rendered-markdown h4,
.rendered-markdown h5,
.rendered-markdown h6 {
  font-family: var(--font-ui);
  color: var(--primary);
  margin-top: 1.5em;
  margin-bottom: 0.6em;
  line-height: 1.25;
  font-weight: bold;
}

.rendered-markdown h1 { font-size: 1.5rem; border-bottom: 1px solid var(--border); padding-bottom: 0.35em; }
.rendered-markdown h2 { font-size: 1.25rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
.rendered-markdown h3 { font-size: 1.1rem; }
.rendered-markdown h4 { font-size: 1rem; }
.rendered-markdown h5 { font-size: 0.9rem; }
.rendered-markdown h6 { font-size: 0.85rem; color: var(--text-muted); }

.rendered-markdown h1:first-child,
.rendered-markdown h2:first-child,
.rendered-markdown h3:first-child {
  margin-top: 0;
}

.rendered-markdown p {
  margin-bottom: 1em;
}

.rendered-markdown strong {
  color: #fff;
}

.rendered-markdown a {
  color: var(--primary);
  text-decoration: none;
}

.rendered-markdown a:hover {
  text-decoration: underline;
}

.rendered-markdown code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.rendered-markdown pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1em;
}

.rendered-markdown pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.5;
}

.rendered-markdown blockquote {
  border-left: 3px solid var(--accent);
  margin: 0 0 1em 0;
  padding: 0.5em 1em;
  color: var(--text-muted);
  background: rgba(255, 0, 136, 0.03);
  border-radius: 0 4px 4px 0;
}

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

.rendered-markdown ul,
.rendered-markdown ol {
  margin-bottom: 1em;
  padding-left: 1.75em;
}

.rendered-markdown li {
  margin-bottom: 0.3em;
}

.rendered-markdown li > ul,
.rendered-markdown li > ol {
  margin-bottom: 0;
  margin-top: 0.3em;
}

/* Task list styling */
.rendered-markdown ul.contains-task-list,
.rendered-markdown .task-list-item {
  list-style: none;
}

.rendered-markdown ul.contains-task-list {
  padding-left: 0.5em;
}

.rendered-markdown .task-list-item input[type="checkbox"] {
  margin-right: 0.5em;
  accent-color: var(--primary);
}

.rendered-markdown table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1em;
  font-family: var(--font-ui);
  font-size: 0.85rem;
}

.rendered-markdown th,
.rendered-markdown td {
  border: 1px solid var(--border);
  padding: 0.5em 0.75em;
  text-align: left;
}

.rendered-markdown th {
  background: var(--code-bg);
  font-weight: bold;
  color: var(--primary);
}

.rendered-markdown tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.rendered-markdown img {
  max-width: 100%;
  height: auto;
}

.rendered-markdown hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin: 1.5em 0;
}

/* --- Ad Slots --- */

.ad-slot-top,
.ad-slot-bottom {
  /* Empty placeholder — no height, no visibility until wired to ad network */
}

/* --- Loading Indicators --- */

.render-btn:disabled,
.save-btn:disabled {
  pointer-events: none;
  opacity: 0.6;
}

.render-btn:disabled::after,
.save-btn:disabled::after {
  content: '...';
  animation: blink 1s steps(3) infinite;
}

@keyframes blink {
  0% { opacity: 0.2; }
  50% { opacity: 1; }
  100% { opacity: 0.2; }
}

/* --- Footer --- */

footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-dim);
  font-size: 0.7rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  margin-top: auto;
  position: relative;
  z-index: 1;
}

footer p {
  margin: 0.2rem 0;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* --- Responsive --- */

@media (max-width: 768px) {
  header h1 {
    font-size: 1.6rem;
    letter-spacing: 3px;
  }

  main {
    padding: 1rem;
  }

  textarea {
    min-height: 150px;
  }

  .silhouette {
    display: none;
  }
}