/* AIKEN TO IN-EBOOK QUIZ CONVERTER */

@import url("https://fonts.googleapis.com/css2?family=Source+Sans+Pro:wght@300;400;600&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Merriweather:wght@300;600&display=swap");

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

:root {
  --ink: #1a1a1a;
  --paper: #f5f0e8;
  --cream: #ede7d4;
  --accent: #c0392b;
  --green: #2c7a4b;
  --blue: #1a5276;
  --muted: #7a7165;
  --border: #c8bfa8;
  --green-bg: #eaf5ee;
  --yellow-bg: #fef9e7;
  --red-bg: #fdecea;
  --card-bg: #ffffff;
}

body {
  font-family: "Source Sans Pro", sans-serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

/* ── PRIVACY MODAL ── */
.privacy-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  backdrop-filter: blur(3px);
}

.privacy-banner {
  background: #fffbe6;
  border: 3px solid #e6a817;
  border-radius: 12px;
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: #5a4a1a;
  max-width: 550px;
  width: 90%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.privacy-banner .pb-icon {
  font-size: 2.2rem;
  text-align: center;
}

.privacy-banner .pb-title {
  font-weight: 600;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #3d2e00;
  margin-bottom: 0.75rem;
  text-align: center;
}

.privacy-banner .pb-content {
  font-size: 0.9rem;
}

.privacy-banner .pb-dismiss {
  background: #e6a817;
  border: none;
  color: #fff;
  font-family: "Source Sans Pro", sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.9rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: background 0.15s;
  width: 100%;
  text-transform: uppercase;
}

.privacy-banner .pb-dismiss:hover {
  background: #c98c0a;
}

/* ── HEADER ── */
header {
  background: linear-gradient(135deg, var(--ink) 0%, #2a2a2a 100%);
  color: var(--paper);
  padding: 1rem 3rem 1rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(232, 200, 154, 0.2);
}

header::before {
  content: "LearnWorldsAssist";
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: "Merriweather", serif;
  font-size: 9rem;
  font-weight: 600;
  color: rgba(232, 200, 154, 0.08);
  pointer-events: none;
  line-height: 1;
  white-space: nowrap;
}

header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #e8c89a, transparent);
}

header h1 {
  font-family: "Merriweather", serif;
  font-weight: 300;
  font-size: 3.5rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  position: relative;
  display: inline-block;
}

header h1 span {
  font-style: normal;
  color: #e8c89a;
  position: relative;
}

header h1 span::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 0;
  right: 0;
  height: 2px;
  background: #e8c89a;
  opacity: 0.3;
}

header p {
  color: #999;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  position: relative;
  padding-left: 1.5rem;
}

header p::before {
  content: "→";
  position: absolute;
  left: 0;
  color: #e8c89a;
}

.hero-tagline {
  display: flex;
  gap: 2rem;
  margin-top: 1rem;
  font-size: 0.75rem;
  color: #e8c89a;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-top: 1px solid rgba(232, 200, 154, 0.2);
  padding-top: 1rem;
}

.hero-tagline span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-tagline span::before {
  content: "▶";
  font-size: 0.6rem;
  opacity: 0.6;
}

/* ── GUIDE CARD ── */
.hero-content {
  position: relative;
  z-index: 1;
}

.guide-card {
  text-align: center;
}

.guide-card a {
  display: inline-flex;
  align-items: center;
  margin-top: 2rem;
  gap: 0.8rem;
  background: rgba(233, 232, 232, 0.946);
  border: 1px solid rgba(232, 200, 154, 0.3);
  padding: 0.8rem 1.5rem;
  border-radius: 40px;
  color: var(--ink);
  text-decoration: none;
  font-size: 1rem;
  transition: all 0.3s;
}

.guide-card a:hover {
  background: rgba(232, 200, 154, 0.2);
  transform: translateY(-2px);
}

/* ── MAIN LAYOUT ── */
.main-content {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}

/* ── CONVERTER SECTION ── */
.converter-section {
  width: 90%;
  align-self: center;
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: 24px;
  padding: 2.5rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* ── STEP CARDS ── */
.intro-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.step-card {
  background: var(--cream);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.step-num {
  width: 36px;
  height: 36px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Merriweather", serif;
  font-size: 1rem;
  font-weight: 600;
  margin: 0 auto 0.75rem;
}

.step-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.step-desc {
  font-size: 0.75rem;
  color: var(--muted);
}

/* ── DROP AREA ── */
.drop-area {
  border: 2px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(135deg, var(--cream) 0%, #f5f0e8 100%);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  margin: 0 auto 2rem;
  max-width: 600px;
  width: 100%;
}

.drop-area.highlight {
  border-color: var(--green);
  background: var(--green-bg);
  transform: scale(1.02);
}

.drop-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  display: block;
  filter: drop-shadow(0 4px 2px rgba(0, 0, 0, 0.1));
  transition: transform 0.3s;
}

.drop-area:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.drop-area:hover .drop-icon {
  transform: scale(1.1) rotate(5deg);
}

.drop-area p {
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.drop-area .muted {
  font-size: 0.8rem;
  color: var(--border);
}

.drop-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  z-index: 2;
}

.file-label {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1.8rem;
  border-radius: 40px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s;
  margin: 1rem 0 0.5rem;
  border: none;
  font-family: "Source Sans Pro", sans-serif;
}

.file-label:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.file-name {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--green);
  font-weight: 500;
}

.file-name.has-file {
  background: var(--green-bg);
  padding: 0.3rem 1rem;
  border-radius: 20px;
  display: inline-block;
}

/* ── VALIDATION TABLE ── */
#resultsContainer {
  margin: 2rem 0;
}

#previewTitle {
  font-family: "Merriweather", serif;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

#previewContainer {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
}

#previewTable {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

#previewTable th {
  background: var(--ink);
  color: var(--paper);
  padding: 1rem;
  font-weight: 500;
  text-align: left;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

#previewTable td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 0.82rem;
}

#previewTable tr:hover {
  background: var(--cream);
}

.validation-issue {
  color: var(--accent);
  font-size: 0.8rem;
  margin-bottom: 0.3rem;
}

/* ── CONFIG PANEL ── */
#configContainer {
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: var(--cream);
  border-radius: 16px;
  border-left: 4px solid var(--green);
}

#configContainer h4 {
  font-family: "Merriweather", serif;
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--ink);
}

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.config-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.config-field label {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--ink);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.config-field input[type="text"],
.config-field input[type="number"] {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--paper);
  font-family: "Source Sans Pro", sans-serif;
  font-size: 0.9rem;
  transition: all 0.3s;
  color: var(--ink);
}

.config-field input[type="text"]:focus,
.config-field input[type="number"]:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

.color-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.color-row input[type="color"] {
  width: 48px;
  height: 42px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--paper);
  cursor: pointer;
  padding: 2px;
}

#colorHex {
  font-family: monospace;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ── MESSAGE ── */
#message {
  margin: 1rem 0;
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  font-size: 0.9rem;
}

.success-message {
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid var(--green);
}

.error-message {
  background: var(--red-bg);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.warning-message {
  background: var(--yellow-bg);
  color: #5a4a1a;
  border: 1px solid #e6a817;
}

/* ── ACTION BUTTONS ── */
.action-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.export-btn,
.preview-btn {
  padding: 1.1rem 2.5rem;
  font-family: "Source Sans Pro", sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 40px;
  transition: all 0.3s;
  border: none;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.export-btn {
  background: linear-gradient(135deg, var(--green) 0%, #1e5a38 100%);
  color: var(--paper);
}

.export-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.export-btn:hover {
  transform: scale(1.02);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
}

.export-btn:hover::before {
  left: 100%;
}

.preview-btn {
  background: var(--ink);
  color: var(--paper);
}

.preview-btn:hover {
  background: var(--blue);
  transform: scale(1.02);
}

/* ── OUTPUT AREA ── */
#outputContainer {
  margin-top: 2rem;
}

.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.output-header h3 {
  font-family: "Merriweather", serif;
  font-size: 1.3rem;
  color: var(--ink);
}

.output-actions {
  display: flex;
  gap: 0.75rem;
}

.copy-btn {
  padding: 0.6rem 1.4rem;
  font-family: "Source Sans Pro", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 40px;
  transition: all 0.3s;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.copy-btn:hover {
  background: var(--green);
  border-color: var(--green);
  transform: translateY(-2px);
}

.copy-btn.secondary {
  background: transparent;
  color: var(--ink);
}

.copy-btn.secondary:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-2px);
}

#outputCode {
  width: 100%;
  min-height: 280px;
  padding: 1.2rem;
  border: 2px solid var(--border);
  border-radius: 16px;
  background: #1a1a2e;
  color: #e8c89a;
  font-family: "Courier New", monospace;
  font-size: 0.78rem;
  line-height: 1.6;
  resize: vertical;
  white-space: pre;
  overflow: auto;
}

.embed-tip {
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  background: var(--yellow-bg);
  border-radius: 10px;
  font-size: 0.85rem;
  color: #5a4a1a;
  border-left: 3px solid #e6a817;
}

/* ── PREVIEW MODAL ── */
#previewModal {
  margin-top: 2rem;
  border: 2px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--cream);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--ink);
  color: var(--paper);
}

.modal-header h3 {
  font-family: "Merriweather", serif;
  font-size: 1rem;
  font-weight: 300;
  color: #e8c89a;
}

.close-btn {
  background: none;
  border: 1px solid rgba(232, 200, 154, 0.4);
  color: #e8c89a;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

#previewFrame {
  width: 100%;
  min-height: 400px;
}

#previewFrame iframe {
  width: 100%;
  min-height: 400px;
  border: 0;
}

/* ── TOAST ── */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.5rem;
  border-radius: 40px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  animation:
    slideIn 0.3s ease,
    fadeOut 0.4s ease 2s forwards;
}

.toast.success {
  border-left: 4px solid var(--green);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
    transform: translateX(20px);
  }
}

/* ── FLOATING BUTTONS ── */
.floating-btn {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--ink) 0%, #333 100%);
  color: var(--paper);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-btn:hover {
  transform: rotate(180deg) scale(1.1);
  background: var(--accent);
}

.home-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  background: linear-gradient(135deg, var(--ink) 0%, #2d2d2d 100%);
  color: var(--paper);
  text-decoration: none;
  font-family: "Source Sans Pro", sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.75rem 1.2rem;
  border-radius: 40px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition:
    transform 0.2s,
    box-shadow 0.2s,
    background 0.2s;
  border: 1px solid rgba(232, 200, 154, 0.15);
}

.home-btn::before {
  content: "←";
  color: #e8c89a;
  font-size: 0.8rem;
}

.home-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
  background: linear-gradient(135deg, #2d2d2d 0%, #3a3a3a 100%);
}

/* ── FOOTER ── */
footer {
  background: linear-gradient(135deg, var(--ink) 0%, #2a2a2a 100%);
  color: var(--paper);
  padding: 2.5rem 3rem 2rem;
  width: 100%;
  margin-top: auto;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(232, 200, 154, 0.2);
}

footer::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
  background: var(--paper);
  clip-path: polygon(0 0, 100% 0, 50% 100%, 0 100%);
}

footer::after {
  content: "QUIZ";
  position: absolute;
  left: 2rem;
  bottom: 1rem;
  font-family: "Merriweather", serif;
  font-size: 4rem;
  font-weight: 600;
  color: rgba(232, 200, 154, 0.03);
  pointer-events: none;
}

footer p {
  color: #999;
  font-size: 0.8rem;
  text-align: center;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

footer p:first-child {
  margin-bottom: 0.5rem;
  color: #e8c89a;
}

/* ── UTILITIES ── */
.hidden {
  display: none !important;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  header h1 {
    font-size: 1.8rem;
  }

  header {
    padding: 1rem 1.5rem;
  }

  .hero-tagline {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .intro-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .config-grid {
    grid-template-columns: 1fr;
  }

  .converter-section {
    padding: 1.5rem;
    width: 95%;
  }

  .action-buttons {
    flex-direction: column;
  }

  .export-btn,
  .preview-btn {
    width: 100%;
  }

  .output-header {
    flex-direction: column;
    align-items: flex-start;
  }
}