@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  --bg: #0a0a0a;
  --card-bg: #111111;
  --green-bright: #9bbc0f;
  --green-mid: #306230;
  --green-dark: #0f380f;
  --green-dim: #5a7a0a;
  --text: #9bbc0f;
  --text-dim: #5a7a0a;
  --border: #1a3a1a;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 2px solid var(--green-mid);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

header h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--green-bright);
  text-shadow: 0 0 8px rgba(155, 188, 15, 0.3);
}

.cursor-blink {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.dim {
  color: var(--text-dim);
  font-size: 12px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px;
  transition: border-color 0.2s;
}

.card:hover {
  border-color: var(--green-mid);
}

.card-header {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--green-dim);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 12px;
  cursor: pointer;
  user-select: none;
}

.card-header .icon {
  margin-right: 4px;
}

.card-header .indicator {
  display: inline-block;
  width: 14px;
  font-size: 10px;
  color: var(--green-mid);
  transition: transform 0.15s;
}

.collapsible.collapsed .card-header .indicator {
  transform: rotate(-90deg);
}

.collapsible.collapsed .card-body {
  display: none;
}

.card-body {
  font-size: 13px;
  color: var(--text);
  line-height: 1.7;
}

.loading {
  color: var(--green-dim);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.briefing {
  border-color: var(--green-mid);
  background: linear-gradient(135deg, var(--card-bg) 0%, #0d1a0d 100%);
  margin-bottom: 20px;
}

.briefing .card-header {
  color: var(--green-bright);
  border-color: var(--green-mid);
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

@media (max-width: 800px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.summary-text {
  margin-bottom: 12px;
  white-space: pre-wrap;
}

.summary-text p {
  margin-bottom: 6px;
}

.summary-text strong {
  color: var(--green-bright);
}

.summary-text a {
  color: var(--green-bright);
  text-decoration: underline;
}

.summary-text ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.summary-text ul li {
  padding: 4px 0 4px 16px;
  position: relative;
}

.summary-text ul li::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--green-mid);
  font-weight: 700;
}

.takeaway {
  color: var(--green-bright);
  font-weight: 700;
  padding: 6px 10px;
  border-left: 3px solid var(--green-mid);
  margin-bottom: 12px;
  font-size: 12px;
}

.headline-list {
  list-style: none;
}

.toggle-btn {
  margin-top: 8px;
  font-size: 11px;
  cursor: pointer;
}

.articles-list {
  margin-top: 8px;
}

.articles-list.hidden {
  display: none;
}

.articles-list .headline-list {
  border-top: 1px solid var(--border);
  padding-top: 4px;
}

.headline-list li {
  padding: 6px 0;
  border-bottom: 1px solid #0a1a0a;
}

.headline-list li:last-child {
  border-bottom: none;
}

.headline-list a {
  color: var(--green-bright);
  text-decoration: none;
  font-size: 12px;
}

.headline-list a:hover {
  text-decoration: underline;
  color: #bfff00;
}

.headline-list .snippet {
  color: var(--text-dim);
  font-size: 11px;
  display: block;
  margin-top: 2px;
}

.spanish-word {
  font-size: 24px;
  color: var(--green-bright);
  font-weight: 700;
  margin-bottom: 4px;
}

.spanish-translation {
  color: var(--text-dim);
  margin-bottom: 8px;
}

.spanish-example {
  font-style: italic;
  padding: 8px;
  border-left: 2px solid var(--green-mid);
  margin-bottom: 8px;
  font-size: 12px;
}

.spanish-example .en {
  color: var(--text-dim);
  margin-top: 4px;
}

.spanish-conjugation {
  font-size: 12px;
  margin-top: 8px;
  color: var(--text-dim);
}

footer {
  text-align: center;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  font-size: 11px;
}

.joke-setup {
  margin-bottom: 8px;
}

.joke-punchline {
  color: var(--green-bright);
  font-weight: 700;
}

.joke-words {
  color: var(--text-dim);
  font-size: 11px;
  margin-bottom: 8px;
}

.riddle-question {
  margin-bottom: 12px;
  font-style: italic;
}

.riddle-answer {
  color: var(--green-bright);
  font-weight: 700;
  display: none;
  margin-top: 8px;
  padding: 8px;
  border: 1px dashed var(--green-mid);
  border-radius: 4px;
}

.riddle-answer.visible {
  display: block;
}

.btn {
  background: none;
  border: 1px solid var(--green-mid);
  color: var(--green-bright);
  padding: 6px 14px;
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.2s;
  border-radius: 2px;
}

.btn:hover {
  background: var(--green-dark);
  border-color: var(--green-bright);
}

.error-state {
  color: #cc5555;
}

#card-lesson {
  border-color: var(--green-dark);
  margin-bottom: 16px;
}

#card-lesson .card-header {
  color: var(--green-bright);
}

.lesson-topic {
  color: var(--green-bright);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--green-mid);
}

.lesson-content {
  white-space: pre-wrap;
}

.lesson-content p {
  margin-bottom: 8px;
}

.prev-lessons-btn {
  margin-top: 12px;
  font-size: 11px;
}

.prev-lesson {
  margin-top: 8px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 2px;
}

.prev-lesson-header {
  cursor: pointer;
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 12px;
}

.prev-lesson-header:hover {
  color: var(--green-bright);
}

.prev-lesson-date {
  color: var(--text-dim);
  font-size: 11px;
  flex-shrink: 0;
}

.prev-lesson-topic {
  color: var(--green-dim);
}

.prev-lesson-body {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
  font-size: 12px;
}