/* ===================================================================
   Web Design Vocab Hall — Stylesheet
   =================================================================== */

:root {
  --color-black: #000000;
  --color-tan: #86745c;
  --color-light-tan: #c2baab;
  --color-dark-tan: #6a5c48;
  --color-white: #ffffff;
  --color-black-63: rgba(0, 0, 0, 0.63);
  --color-black-80: rgba(0, 0, 0, 0.8);
  --color-black-88: rgba(0, 0, 0, 0.88);
  --color-gold: #b19977;
  --color-accent: #b19977;
  --color-accent-light: #c2baab;

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-white);
  background:
    radial-gradient(circle at 15% 10%, rgba(177, 153, 119, 0.25), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(194, 186, 171, 0.16), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(106, 92, 72, 0.35), transparent 55%),
    linear-gradient(160deg, var(--color-black) 0%, #17130f 45%, var(--color-black) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.site-header {
  padding: 28px 0 20px;
  border-bottom: 1px solid rgba(194, 186, 171, 0.18);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand-mark {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  border: 1px solid var(--color-tan);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.85rem;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(194, 186, 171, 0.3);
  color: var(--color-light-tan);
  transition: all 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  border-color: var(--color-accent);
  color: var(--color-white);
  background: rgba(177, 153, 119, 0.15);
}

/* ---------------- Hero ---------------- */

.hero {
  padding: 64px 0 40px;
  text-align: center;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin: 0 0 14px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin: 0 0 16px;
  line-height: 1.1;
}

.hero p {
  max-width: 560px;
  margin: 0 auto;
  color: var(--color-light-tan);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ---------------- Section cards (home) ---------------- */

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 24px 0 72px;
}

@media (max-width: 860px) {
  .section-grid {
    grid-template-columns: 1fr;
  }
}

.section-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  background: linear-gradient(155deg, rgba(134, 116, 92, 0.22), rgba(0, 0, 0, 0.35));
  border: 1px solid rgba(194, 186, 171, 0.22);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.section-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(177, 153, 119, 0.3), transparent 55%);
  pointer-events: none;
}

.section-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.section-card .tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.section-card h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin: 10px 0 6px;
}

.section-card .full-name {
  color: var(--color-light-tan);
  font-size: 0.88rem;
  margin: 0 0 18px;
}

.section-card .count {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--color-black-88);
  background: var(--color-accent-light);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  position: relative;
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-black);
}

.btn-primary:hover {
  background: var(--color-light-tan);
}

.btn-ghost {
  border-color: rgba(194, 186, 171, 0.4);
  color: var(--color-white);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  background: rgba(177, 153, 119, 0.15);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---------------- Practice Test overview (home) ---------------- */

.tests-band {
  padding: 8px 0 80px;
}

.tests-band h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.tests-band > .wrap > p {
  color: var(--color-light-tan);
  margin-top: 0;
  margin-bottom: 24px;
}

.test-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 860px) {
  .test-grid {
    grid-template-columns: 1fr;
  }
}

.test-card {
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px dashed rgba(194, 186, 171, 0.35);
  background: rgba(0, 0, 0, 0.25);
}

.test-card h3 {
  font-family: var(--font-display);
  margin: 0 0 6px;
  font-size: 1.25rem;
}

.test-card p {
  color: var(--color-light-tan);
  font-size: 0.88rem;
  margin: 0 0 18px;
}

/* ---------------- Page header (study/test pages) ---------------- */

.page-head {
  padding: 40px 0 12px;
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--color-light-tan);
  margin-bottom: 14px;
}

.breadcrumb a {
  color: var(--color-accent-light);
}

.breadcrumb a:hover {
  color: var(--color-white);
}

.page-head h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 8px;
}

.page-head .sub {
  color: var(--color-light-tan);
  margin: 0 0 20px;
}

/* ---------------- Mode toggle ---------------- */

.mode-toggle {
  display: inline-flex;
  border: 1px solid rgba(194, 186, 171, 0.3);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
  margin-bottom: 28px;
}

.mode-toggle button {
  border: none;
  background: transparent;
  color: var(--color-light-tan);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-toggle button.active {
  background: var(--color-accent);
  color: var(--color-black);
}

/* ---------------- Flashcards ---------------- */

.flash-area {
  padding-bottom: 60px;
}

.flash-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-light-tan);
}

.flash-progress-bar {
  height: 4px;
  border-radius: 4px;
  background: rgba(194, 186, 171, 0.2);
  overflow: hidden;
  margin: 8px 0 26px;
}

.flash-progress-fill {
  height: 100%;
  background: var(--color-accent);
  transition: width 0.25s ease;
}

.flashcard-stage {
  perspective: 1600px;
  max-width: 640px;
  margin: 0 auto 26px;
}

.flashcard {
  position: relative;
  width: 100%;
  min-height: 300px;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.4, 0.2, 0.2, 1);
}

.flashcard.flipped {
  transform: rotateY(180deg);
}

.flashcard-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(194, 186, 171, 0.28);
  background: linear-gradient(155deg, rgba(134, 116, 92, 0.24), rgba(0, 0, 0, 0.4));
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 36px;
}

.flashcard-face .face-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 18px;
}

.flashcard-face .face-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.35;
}

.flashcard-face.face-back {
  transform: rotateY(180deg);
}

.flashcard-face.face-back .face-text {
  font-family: var(--font-body);
  font-size: 1.08rem;
  font-weight: 400;
  color: var(--color-white);
}

.flash-hint {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-light-tan);
  margin-bottom: 26px;
}

.flash-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(194, 186, 171, 0.35);
  background: transparent;
  color: var(--color-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  border-color: var(--color-accent);
  background: rgba(177, 153, 119, 0.15);
}

/* ---------------- List / filter mode ---------------- */

.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.filter-bar input[type="text"] {
  flex: 1;
  min-width: 220px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(194, 186, 171, 0.32);
  background: rgba(0, 0, 0, 0.35);
  color: var(--color-white);
  font-size: 0.92rem;
}

.filter-bar input[type="text"]:focus {
  outline: none;
  border-color: var(--color-accent);
}

.term-list {
  display: grid;
  gap: 12px;
  padding-bottom: 60px;
}

.term-row {
  border: 1px solid rgba(194, 186, 171, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  background: rgba(0, 0, 0, 0.25);
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 18px;
  align-items: start;
}

@media (max-width: 700px) {
  .term-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

.term-row .t-term {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-accent-light);
}

.term-row .t-def {
  color: var(--color-white);
  font-size: 0.94rem;
  line-height: 1.5;
}

.no-results {
  text-align: center;
  color: var(--color-light-tan);
  padding: 40px 0;
}

/* ---------------- Practice test ---------------- */

.test-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 30px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-light-tan);
}

.question-block {
  border: 1px solid rgba(194, 186, 171, 0.22);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  margin-bottom: 20px;
  background: rgba(0, 0, 0, 0.28);
}

.question-block .q-number {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.question-block .q-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 20px;
  line-height: 1.4;
}

.choice-list {
  display: grid;
  gap: 10px;
}

.choice {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(194, 186, 171, 0.25);
  cursor: pointer;
  transition: all 0.18s ease;
  font-size: 0.94rem;
}

.choice:hover {
  border-color: var(--color-accent);
  background: rgba(177, 153, 119, 0.1);
}

.choice input {
  accent-color: var(--color-accent);
  width: 16px;
  height: 16px;
}

.choice.correct {
  border-color: #7fae7f;
  background: rgba(90, 160, 90, 0.15);
}

.choice.incorrect {
  border-color: #c26a6a;
  background: rgba(190, 80, 80, 0.15);
}

.choice.disabled {
  cursor: default;
}

.test-actions {
  display: flex;
  justify-content: center;
  padding: 20px 0 80px;
}

/* ---------------- Results ---------------- */

.results-panel {
  text-align: center;
  padding: 30px 20px 10px;
}

.score-ring {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: conic-gradient(var(--color-accent) calc(var(--pct, 0) * 1%), rgba(194, 186, 171, 0.15) 0);
  position: relative;
}

.score-ring::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  background: var(--color-black);
}

.score-ring .score-text {
  position: relative;
  font-family: var(--font-display);
  font-size: 2rem;
}

.results-panel h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 6px 0 4px;
}

.results-panel p {
  color: var(--color-light-tan);
  margin: 0 0 26px;
}

.results-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.review-list {
  display: grid;
  gap: 12px;
  text-align: left;
  padding-bottom: 60px;
}

.review-item {
  border: 1px solid rgba(194, 186, 171, 0.22);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  background: rgba(0, 0, 0, 0.25);
}

.review-item .r-q {
  font-family: var(--font-display);
  font-size: 1.02rem;
  margin-bottom: 10px;
}

.review-item .r-line {
  font-size: 0.88rem;
  margin: 4px 0;
}

.review-item .r-line.correct-text {
  color: #8fc98f;
}

.review-item .r-line.wrong-text {
  color: #d98f8f;
}

.badge-status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 9px;
  border-radius: 999px;
  margin-left: 8px;
}

.badge-status.pass {
  background: rgba(90, 160, 90, 0.2);
  color: #a6d9a6;
}

.badge-status.miss {
  background: rgba(190, 80, 80, 0.2);
  color: #e0a3a3;
}

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

.site-footer {
  border-top: 1px solid rgba(194, 186, 171, 0.15);
  padding: 26px 0;
  text-align: center;
  color: var(--color-light-tan);
  font-size: 0.8rem;
}

/* ---------------- Utility ---------------- */

.hidden {
  display: none !important;
}