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


/* BASE BODY */
body {
  font-family: Georgia, serif;
  background-color: #f9f5ef;
  color: #2c2c2c;
  margin-left: 230px;
}


/* SIDEBAR */
nav#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 230px;
  height: 100vh;
  background-color: #2c2416;
  display: flex;
  flex-direction: column;
  padding: 28px 16px;
  gap: 28px;
  z-index: 100;
  overflow-y: auto;
}

.nav-title {
  color: #d4a017;
  font-size: 1.3rem;
  font-weight: bold;
  line-height: 1.3;
  padding-bottom: 16px;
  border-bottom: 1px solid #5a4a28;
  text-align: center;
}

nav#sidebar ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

nav#sidebar ul a {
  display: block;
  color: #c8b898;
  text-decoration: none;
  font-size: 0.88rem;
  padding: 9px 12px;
  border-radius: 5px;
}

nav#sidebar ul a:hover {
  background-color: #4a3820;
  color: #d4a017;
}


/* MAIN CONTENT */
main {
  max-width: 1200px;
  margin: 50px auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 50px;
}


/* SECTIONS */
section {
  background-color: #ffffff;
  border: 1px solid #dddddd;
  border-radius: 8px;
  padding: 28px 32px;
}

section h2 {
  font-size: 1.6rem;
  margin-bottom: 14px;
  color: #1a1410;
  display: flex;
  align-items: center;
  gap: 10px;
}

section h3 {
  font-size: 1.2rem;
  margin: 18px 0 10px;
  color: #1a1410;
}

section p {
  font-size: 1rem;
  line-height: 1.75;
  color: #444444;
  margin-bottom: 10px;
}


/* SECTION NUMBER BADGE */
.num {
  background-color: #2c2416;
  color: #d4a017;
  font-family: monospace;
  font-size: 1rem;
  padding: 3px 8px;
  border-radius: 4px;
}


/* WHY BOX */
.why-box {
  background-color: #fdf8ee;
  border-left: 5px solid #d4a017;
}

.why-box h2 {
  color: #b8860b;
}


/* PIECE LIST */
.piece-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.piece-list li {
  font-size: 1rem;
  color: #444444;
  padding: 6px 10px;
  background-color: #f9f5ef;
  border-radius: 5px;
  border: 1px solid #e5ddd0;
}

/* NOTE BOX */
.note {
  background-color: #fffbe6;
  border: 1px solid #f0d080;
  border-radius: 5px;
  padding: 10px 14px;
  font-size: 1rem;
  color: #6b5000;
}


/* ORDERED LIST */
ol {
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

ol li {
  font-size: 1rem;
  color: #444444;
  line-height: 1.6;
}


/* TABLE */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
  margin-top: 6px;
}

thead tr {
  background-color: #2c2416;
  color: #d4a017;
}

th, td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid #e0d8cc;
}

tbody tr:nth-child(even) {
  background-color: #f9f5ef;
}


/* WIN BOX */
.win-box {
  background-color: #2c2416;
  color: #d7d0bf;
  border-radius: 6px;
  padding: 16px 20px;
  margin-bottom: 14px;
  font-size: 1rem;
  line-height: 1.6;
}

.light-color {
  color: #d4a017;
}

/* UNORDERED LIST */
ul:not(.piece-list) {
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
}

ul:not(.piece-list) li {
  font-size: 0.92rem;
  color: #444444;
  line-height: 1.6;
}


/* TIP CARDS */
.tip {
  border-radius: 6px;
  padding: 14px 18px;
  margin-bottom: 12px;
  border-left: 5px solid transparent;
}

.tip p {
  margin: 6px 0 0;
  font-size: 1rem;
}

.tip.bad {
  background-color: #fff5f5;
  border-left-color: #c0392b;
}

.tip.good {
  background-color: #f2fff5;
  border-left-color: #27ae60;
}


/* FAQ */
details {
  border: 1px solid #dddddd;
  border-radius: 6px;
  margin-bottom: 10px;
  overflow: hidden;
}

summary {
  padding: 13px 16px;
  cursor: pointer;
  font-size: 0.93rem;
  font-weight: bold;
  background-color: #f9f5ef;
  color: #2c2416;
  list-style: none;
}

summary:hover {
  background-color: #f0e8d8;
}

details[open] summary {
  border-bottom: 1px solid #dddddd;
}

details p {
  padding: 12px 16px;
  font-size: 1rem;
  color: #444444;
  margin: 0;
}



/* PHONE SCREEN - max width 640px
   Sidebar is very narrow.
   Links hide their text so only a slim bar shows.
   Main content fills the rest of the screen. */
@media screen and (max-width: 640px) {

  body {
    margin-left: 100px;
  }

  nav#sidebar {
    width: 100px;
    padding: 16px 6px;
    gap: 16px;
    align-items: center;
  }

  .nav-title {
    font-size: 0.5rem;
    text-align: center;
    padding-bottom: 10px;
    word-break: break-all;
  }

  nav#sidebar ul {
    gap: 2px;
    width: 100%;
  }

  nav#sidebar ul a {
    font-size: 0.55rem;
    padding: 4px 4px;
    text-align: left;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: clip;
    border-radius: 4px;
  }

  main {
    margin: 20px auto;
    padding: 0 12px;
    gap: 24px;
  }

  section {
    padding: 16px 14px;
  }

  section h2 {
    font-size: 1.05rem;
    gap: 6px;
  }

  section h3 {
    font-size: 0.88rem;
    margin: 12px 0 6px;
  }

  section p {
    font-size: 0.85rem;
  }

  table {
    font-size: 0.75rem;
  }

  th, td {
    padding: 7px 8px;
  }

  .num {
    font-size: 0.72rem;
  }

  .piece-list li {
    font-size: 0.72rem;
  }

  .note {
    font-size: 0.72rem;
  }

  ol li {
    font-size: 0.72rem;
  }

  .win-box {
    font-size: 0.88rem;
  }

  ul:not(.piece-list) li {
    font-size: 0.72rem;
  }

  .tip p {
    font-size: 0.72rem;
  }

  
}


/* TABLET SCREEN - between 641px and 1024px
   Sidebar is medium size with readable links. */
@media screen and (min-width: 641px) and (max-width: 1024px) {

  body {
    margin-left: 170px;
  }

  nav#sidebar {
    width: 170px;
    padding: 22px 12px;
    gap: 22px;
  }

  .nav-title {
    font-size: 1.05rem;
  }

  nav#sidebar ul a {
    font-size: 0.82rem;
    padding: 8px 10px;
  }

  main {
    margin: 36px auto;
    padding: 0 18px;
    gap: 36px;
  }

  section {
    padding: 22px 22px;
  }

  section h2 {
    font-size: 1.25rem;
    gap: 8px;
  }

  section h3 {
    font-size: 0.95rem;
    margin: 14px 0 8px;
  }

}


/* LAPTOP SCREEN - min width 1025px
   Full sidebar with generous spacing. */
@media screen and (min-width: 1025px) {

  body {
    margin-left: 230px;
  }

  nav#sidebar {
    width: 230px;
    padding: 32px 20px;
    gap: 28px;
  }

  .nav-title {
    font-size: 1.3rem;
  }

  nav#sidebar ul a {
    font-size: 0.9rem;
    padding: 10px 14px;
  }

  main {
    margin: 50px auto;
    padding: 0 28px;
    gap: 50px;
    max-width: 1200px;
  }

  section {
    padding: 30px 36px;
  }

  section h2 {
    font-size: 1.4rem;
    gap: 10px;
  }

  section h3 {
    font-size: 1rem;
    margin: 18px 0 10px;
  }

}