/* ======== Reset / Layout ======== */

body {
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.8;
  background-color: var(--bg-color, #fff);
  color: var(--text-color, #333);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ======== Typography ======== */

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.4;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--heading-color, #222);
}

h1 {
  font-size: 1.8rem;
  border-left: 5px solid var(--accent-color, #ffd24d);
  padding-left: 0.75rem;
}

h2 {
  font-size: 1.4rem;
  border-left: 4px solid var(--accent-color, #ffc107);
  padding-left: 0.5rem;
}

h3 {
  font-size: 1.2rem;
  color: var(--subheading-color, #444);
}

p {
  margin-bottom: 1rem;
}

ul {
  margin: 0.5rem 0 1rem 1.5rem;
  padding: 0;
}

li + li {
  margin-top: 0.4rem;
}

strong {
  color: var(--strong-color, #000);
}

small {
  font-size: 0.9rem;
  color: var(--muted-color, #666);
}

a {
  color: var(--link-color, #007acc);
  text-decoration: underline;
}

a:hover {
  text-decoration: none;
}

/* ======== Components ======== */

.note {
  background: var(--note-bg, #fff8d0);
  border-left: 4px solid var(--accent-color, #ffca28);
  padding: 1rem;
  margin: 1.5rem 0;
  border-radius: 4px;
}

.indent {
  margin-left: 1.5rem;
}

/* ======== Table ======== */

.table-container {
  margin: 0 auto;
  width: 90%;
  max-width: 1200px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  background-color: var(--table-bg, #fff);
  color: var(--text-color, #333);
}

th, td {
  padding: 0.5rem 1rem;
  border: 1px solid var(--table-border, #ccc);
}

th {
  background-color: var(--th-bg, #eef);
  color: var(--th-text, #223);
}

tr:nth-child(even) {
  background-color: var(--table-stripe, #f9f9f9);
}

/* ========  ============================ */
    section {
      margin-bottom: 3em;
    }
    code {
      background: #eee;
      padding: 0.2em 0.4em;
      border-radius: 4px;
    }

/* ======== Navigation & Footer ======== */

    nav {
      background-color: #e0f2f1;
      border-left: 5px solid #26a69a;
      padding: 1em;
      margin-bottom: 2em;
    }
    nav ul {
      list-style: none;
      padding-left: 1em;
    }
    nav li {
      margin: 0.5em 0;
    }


nav a {
  margin-right: 1rem;
  text-decoration: none;
  color: var(--link-color, #007acc);
}

footer {
  text-align: center;
  font-size: 0.9rem;
  margin: 2rem 0;
  color: var(--muted-color, #666);
}

/* ======== HR ======== */

hr {
  border: none;
  border-top: 1px dashed var(--hr-color, #ccc);
  margin: 2rem 0;
}

/* ======== Responsive ======== */

@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  main {
    padding: 0 1rem;
  }
}