/* =========================
   GLOBAL
========================= */

body {
  margin: 50px;
  padding-top: 70px;
  font-family: 'Times New Roman', Times, serif;
}

body.home-page {
  color: #111827;

  background:
    radial-gradient(circle at 15% 20%, rgba(77, 195, 255, 0.65) 0%, transparent 32%),
    radial-gradient(circle at 85% 25%, rgba(125, 220, 255, 0.55) 0%, transparent 30%),
    radial-gradient(circle at 50% 85%, rgba(0, 170, 255, 0.28) 0%, transparent 40%),
    linear-gradient(
      135deg,
      #ffffff 0%,
      #dff5ff 35%,
      #b9e9ff 65%,
      #eefaff 100%
    );

  background-attachment: fixed;
  min-height: 100vh;
}

body.home-page::before {
  content: "";

  position: fixed;
  inset: 0;

  background:
    radial-gradient(circle at center,
      rgba(255,255,255,0.35),
      transparent 60%);

  pointer-events: none;
  z-index: -1;
}

/* =========================
   HEADER
========================= */

.topbar {
  position: fixed;

  top: 18px;
  left: 50%;

  transform: translateX(-50%);

  width: calc(100% - 80px);
  max-width: 1400px;

  height: 130px;

  padding: 0 26px;

  display: flex;
  align-items: center;

  border-radius: 24px;

  background: rgba(255,255,255,0.55);

  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);

  border: 1px solid rgba(255,255,255,0.45);

  box-shadow:
    0 10px 35px rgba(0,0,0,0.10),
    0 0 25px rgba(125,200,255,0.18);

  z-index: 1000;
}

.logo {
  height: 130px;
  width: auto;
  padding: 30px;
}

.logo-circle {
  width: 76px;
  height: 76px;

  border-radius: 20px;

  background: rgba(255,255,255,0.7);

  backdrop-filter: blur(10px);

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.nav {
  margin-left: auto;

  display: flex;
  align-items: center;
  gap: 14px;
}

.nav a {
  padding: 12px 18px;

  border-radius: 14px;

  text-decoration: none;

  font-size: 17px;
  font-weight: 700;

  color: #16324a;

  background: rgba(32, 148, 250, 0.45);

  transition: all 0.2s ease;

  border: 1px solid rgba(255,255,255,0.3);
}

.nav a:hover {
  transform: translateY(-2px);

  background: #4fc3ff;

  color: rgb(36, 46, 99);

  box-shadow:
    0 8px 20px rgba(79,195,255,0.35);
}

/* =========================
   TITLES
========================= */

.page-title {
  text-align: center;
  font-size: 34px;
  font-weight: 900;

  margin: 80px auto;

  background: linear-gradient(90deg, #ffffff, #e6f7ff);

  padding: 18px 30px;

  width: fit-content;

  border-radius: 16px;

  box-shadow: 0 6px 14px rgba(0,0,0,0.18);

  border: 2px solid #7dc8e3;
}

.hero-title {
  text-align: center;

  font-size: 50px;
  font-weight: 1000;

  margin: 20px auto;

  background: linear-gradient(90deg, #ffffff, #e6f7ff);

  padding: 15px 25px;

  width: fit-content;

  border-radius: 14px;

  border: 2px solid #7dc8e3;

  box-shadow: 0 6px 14px rgba(0,0,0,0.18);

  letter-spacing: 0.5px;
}

.hero-subtitle {
  text-align: center;

  font-size: 30px;
  font-weight: 1000;

  margin-top: 10px;
  margin-bottom: 25px;

  color: #000000;
}

/* =========================
   SEARCH
========================= */

#searchBox {
  width: 80%;

  padding: 18px;

  font-size: 24px;

  border-radius: 12px;
  border: 2px solid lightgray;

  font-family: 'Times New Roman', Times, serif;
}

.response-text {
  font-size: 24px;
  margin-bottom: 20px;
}

/* =========================
   RESULTS
========================= */

.result {
  background: white;

  border-radius: 14px;

  padding: 20px;

  margin: 8px 0;

  box-shadow: 0 4px 12px rgba(0,0,0,0.1);

  text-align: left;

  cursor: pointer;

  transition: 0.2s;
}

.result:hover {
  transform: scale(1.01);
}

.result.top {
  border: 2px solid rgb(8, 97, 160);
  background: rgb(172, 221, 255);
}

.group-title {
  margin-top: 20px;

  font-size: 18px;
  font-weight: bold;

  color: #333;

  border-bottom: 2px solid #ddd;

  padding-bottom: 5px;
}

/* =========================
   WELCOME BOX
========================= */

.welcome-box {
  background: #dff5ff;

  padding: 25px;

  border-radius: 16px;

  margin-bottom: 30px;

  text-align: center;

  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.welcome-box h2 {
  margin-top: 0;
  font-size: 36px;
}

.welcome-box p {
  font-size: 22px;
}

/* =========================
   BUTTONS
========================= */

.suggestions {
  margin-top: 20px;
  margin-bottom: 30px;
}

.suggestions button,
.add-note-btn {
  padding: 12px 18px;

  border: none;
  border-radius: 10px;

  background: #7dc8e3;

  font-size: 18px;
  font-weight: bold;

  cursor: pointer;

  transition: 0.2s;

  font-family: 'Times New Roman', Times, serif;
}

.suggestions button:hover,
.add-note-btn:hover {
  transform: scale(1.05);
  background: #5db8d8;
}

.add-note-btn:active {
  transform: scale(1.14);

  background: #22c55e;

  box-shadow: 0 0 18px rgba(34,197,94,0.45);
}

/* =========================
   NOTES
========================= */

.notes-sidebar {
  position: fixed;

  top: 0;
  right: 0;

  width: 300px;
  height: 100vh;

  background: #dff3ff;

  box-shadow: -4px 0 12px rgba(0,0,0,0.2);

  padding: 15px;

  transform: translateX(100%);
  transition: transform 0.25s ease;

  display: flex;
  flex-direction: column;
  gap: 10px;

  z-index: 100000;
}

.notes-sidebar.open {
  transform: translateX(0);
}

.notes-header {
  font-size: 20px;
  font-weight: bold;
}

#notesBox {
  flex: 1;
  resize: none;

  padding: 10px;

  font-size: 14px;

  border-radius: 8px;

  border: 1px solid #bbb;

  outline: none;
}

.notes-toggle {
  position: fixed;

  right: 20px;
  bottom: 80px;

  padding: 12px 18px;

  border: none;
  border-radius: 999px;

  background: rgb(38, 174, 247);

  color: white;

  font-size: 16px;
  font-weight: bold;

  cursor: pointer;

  z-index: 99999;

  transition:
    transform 0.18s ease,
    background 0.18s ease,
    box-shadow 0.18s ease;
}

.notes-toggle:hover {
  transform: scale(1.08);
  background: #1593d8;
}

.notes-toggle:active {
  transform: scale(1.18);

  background: #2271c5;

  box-shadow: 0 0 20px rgba(34,197,94,0.45);
}

#clearNotesBtn,
#saveNotesBtn {
  padding: 10px 10px;
  margin-bottom: 5px;

  border: none;
  border-radius: 8px;

  font-weight: 700;

  cursor: pointer;
}

#clearNotesBtn {
  background: #ffdddd;
  margin-bottom: 30px;
}

#saveNotesBtn {
  background: #1f6feb;
  color: white;
}

#saveNotesBtn:hover {
  background: #1557c0;
}

.notes-status {
  position: absolute;

  top: 10px;
  right: 10px;

  background: #1f6feb;

  color: white;

  padding: 6px 10px;

  border-radius: 6px;

  font-size: 12px;

  opacity: 0;

  transform: translateY(-5px);

  transition: 0.2s;
}

.notes-status.show {
  opacity: 1;
  transform: translateY(0);
}

/* =========================
   HOME PAGE
========================= */

.home-page .hero {
  text-align: center;
padding: 120px 20px 70px;
}

.home-page .hero h1 {
  font-size: 52px;
  font-weight: 900;

  margin-bottom: 10px;

  color: #111827;

  letter-spacing: -0.5px;
}

.home-page .subtext {
  font-size: 20px;

  max-width: 700px;

  margin: 0 auto;

  color: #40444d;

  line-height: 1.6;
}

.home-page .start-btn {
  display: inline-block;

  margin-top: 25px;

  padding: 14px 26px;

  background: #4269bd;

  color: white;

  border-radius: 12px;

  font-weight: 700;

  text-decoration: none;

  transition: 0.25s;

  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.25);
}

.home-page .start-btn:hover {
  transform: translateY(-3px);
  background: #1d4ed8;
}

.home-page .stats {
  display: flex;

  justify-content: center;

  gap: 40px;

  margin-top: 40px;

  flex-wrap: wrap;
}

.home-page .stat {
  background: white;

  padding: 18px 26px;

  border-radius: 14px;

  box-shadow: 0 8px 20px rgba(0,0,0,0.08);

  min-width: 140px;

  transition: 0.2s;
}

.home-page .stat:hover {
  transform: translateY(-4px);
}

.home-page .stat h2 {
  margin: 0;
  color: #385187;
}

.home-page .cards {
  display: grid;

  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));

  gap: 20px;

  padding: 0px 40px;

  max-width: 1100px;

  margin: auto;
}

.home-page .card {
  background: white;

  border-radius: 16px;

  padding: 22px;

  border: 1px solid #e5e7eb;

  box-shadow: 0 8px 20px rgba(0,0,0,0.06);

  transition: 0.25s;
}

.home-page .card:hover {
  transform: translateY(-6px);

  box-shadow: 0 14px 30px rgba(0,0,0,0.12);

  border-color: #2563eb;
}

.home-page footer {
  text-align: center;

  padding: 30px;

  color: #6b7280;

  font-size: 14px;
}

#answerModeBtn {
  position: fixed;

  bottom: 20px;
  right: 20px;

  padding: 12px 18px;

  border: none;
  border-radius: 999px;

  background: #1c518d;

  color: white;

  font-size: 15px;
  font-weight: bold;

  cursor: pointer;

  z-index: 10000;

  transition:
    transform 0.18s ease,
    background 0.18s ease,
    box-shadow 0.18s ease;
}

#answerModeBtn:hover {
  transform: scale(1.06);
  background: #2467b0;
}

#answerModeBtn:active {
  transform: scale(1.14);
  background: #2d82db;
  box-shadow: 0 0 18px rgba(45,130,219,0.4);
}

/* =========================
   ANSWER MODE POPUP PANEL
========================= */

#answerPanel {
  position: fixed;

  bottom: 135px;
  right: 20px;

  width: 320px;

  background: rgba(255,255,255,0.92);

  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);

  border-radius: 18px;

  padding: 18px;

  border: 1px solid rgba(255,255,255,0.45);

  box-shadow:
    0 10px 30px rgba(0,0,0,0.18),
    0 0 18px rgba(125,200,255,0.18);

  display: none;

  z-index: 9999;

  animation: answerPopup 0.18s ease;
}

#answerPanel h3 {
  margin-top: 0;
  margin-bottom: 10px;

  font-size: 20px;
  color: #16324a;
}

#answerPanel hr {
  border: none;
  height: 1px;

  background: rgba(0,0,0,0.12);

  margin: 10px 0;
}

#answerPanel p {
  margin: 0;

  line-height: 1.5;

  font-size: 15px;

  color: #2b2b2b;
}

@keyframes answerPopup {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
/* =========================
   FULL MANUAL SECTION BOX
========================= */

.manual-link {
  max-width: 760px;

  margin: 60px auto 40px auto;

  padding: 30px;

  text-align: center;

  background: rgba(255,255,255,0.72);

  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);

  border-radius: 24px;

  border: 1px solid rgba(255,255,255,0.45);

  box-shadow:
    0 12px 32px rgba(0,0,0,0.12),
    0 0 22px rgba(125,200,255,0.18);
}

/* title */
.manual-link h2 {
  font-size: 30px;
  font-weight: 900;

  margin-top: 0;
  margin-bottom: 12px;

  color: #16324a;
}

/* description */
.manual-link p {
  font-size: 18px;

  line-height: 1.6;

  margin-bottom: 22px;

  color: #40444d;
}

/* button link */
.manual-link a {
  display: inline-block;

  padding: 14px 22px;

  border-radius: 14px;

  background: #4fc3ff;

  color: #16324a;

  font-size: 16px;
  font-weight: bold;

  text-decoration: none;

  transition:
    transform 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.manual-link a:hover {
  transform: translateY(-2px);

  background: #36b6f7;

  box-shadow:
    0 8px 22px rgba(79,195,255,0.35);
}
/* =========================
   MAKE ALL PAGES MATCH INDEX.HTML
========================= */

/* apply homepage gradient to ALL pages */
body {
  color: #111827;

  background:
    radial-gradient(circle at 15% 20%, rgba(77, 195, 255, 0.65) 0%, transparent 32%),

    radial-gradient(circle at 85% 25%, rgba(125, 220, 255, 0.55) 0%, transparent 30%),

    radial-gradient(circle at 50% 85%, rgba(0, 170, 255, 0.28) 0%, transparent 40%),

    linear-gradient(
      135deg,
      #ffffff 0%,
      #dff5ff 35%,
      #b9e9ff 65%,
      #eefaff 100%
    );

  background-attachment: fixed;

  min-height: 100vh;
}

/* glowing overlay */
body::before {
  content: "";

  position: fixed;
  inset: 0;

  background:
    radial-gradient(
      circle at center,
      rgba(255,255,255,0.35),
      transparent 60%
    );

  pointer-events: none;

  z-index: -1;
}


/* =========================
   FORCE SAME MODERN HEADER
========================= */

.topbar {
  position: fixed;

  top: 18px;
  left: 50%;

  transform: translateX(-50%);

  width: calc(100% - 80px);
  max-width: 1400px;

  height: 130px;

  padding: 0 26px;

  display: flex;
  align-items: center;

  border-radius: 24px;

  background: rgba(255,255,255,0.55);

  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);

  border: 1px solid rgba(255,255,255,0.45);

  box-shadow:
    0 10px 35px rgba(0,0,0,0.10),
    0 0 25px rgba(125,200,255,0.18);

  z-index: 1000;
}
/* =========================
   MOBILE OPTIMIZATION
========================= */

@media (max-width: 768px) {

  body {
    margin: 15px;
    padding-top: 120px;
  }

  /* HEADER */
  .topbar {
    width: calc(100% - 20px);
    height: 90px;

    top: 10px;

    padding: 0 12px;

    border-radius: 18px;
  }

  .logo {
    height: 70px;
    padding: 10px;
  }

  .logo-circle {
    width: 55px;
    height: 55px;
  }

  /* NAV */
  .nav {
    gap: 6px;
  }

  .nav a {
    padding: 8px 10px;
    font-size: 13px;
  }

  /* TITLES */
  .hero-title,
  .page-title {
    font-size: 28px;
    padding: 12px 18px;
    margin: 40px auto;
  }

  .hero-subtitle {
    font-size: 20px;
  }

  .home-container h1 {
    font-size: 42px;
  }

  .home-description {
    font-size: 18px;
    padding: 0 10px;
  }

  /* SEARCH */
  #searchBox {
    width: 100%;
    font-size: 18px;
    padding: 14px;
  }

  .response-text {
    font-size: 18px;
  }

  /* RESULTS */
  .result {
    padding: 14px;
  }

  .result h2 {
    font-size: 20px;
  }

  .result h3 {
    font-size: 18px;
  }

  .result p {
    font-size: 15px;
  }

  /* HOME BUTTONS */
  .home-links a {
    width: 100%;
    max-width: 350px;
    font-size: 22px;
  }

  /* ANSWER PANEL */
  #answerPanel {
    left: 10px;
    right: 10px;
    bottom: 80px;

    width: auto;
    max-width: none;
  }

  /* NOTES SIDEBAR */
  .notes-sidebar {
    width: 100%;
    max-width: none;
  }

  /* NOTES BUTTON */
  .notes-toggle {
    bottom: 20px;
    right: 20px;
  }

  /* ANSWER BUTTON */
  #answerModeBtn {
    bottom: 20px;
    left: 20px;
    right: auto;
  }

  /* STATS */
  .home-page .stats {
    gap: 15px;
  }

  .home-page .stat {
    min-width: 120px;
  }

  /* CARDS */
  .home-page .cards {
    padding: 10px;
    gap: 15px;
  }

}