/* =========================================================================
   Volkai HR Documentation — Main Stylesheet
   Theme: Light • Navy Blue / Orange / White
   Author: Volkai HR Team
   ======================================================================== */

/* ---------- Root Color Variables ---------- */
:root {
  --primary: #0a2540;
  --accent: #ff7a00;
  --light-bg: #f7f8fa;
  --white: #ffffff;
  --text-dark: #1a1a1a;
  --shadow: rgba(0, 0, 0, 0.1);
  --radius: 12px;
}

/* ---------- Base Styles ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", "Poppins", sans-serif;
}

body {
  background-color: var(--light-bg);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---------- Header ---------- */
header.header {
  background-color: var(--primary);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 50px;
  height: 80px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo-img {
  height: 60px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.logo-img:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

header.header h1 {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--white);
  white-space: nowrap;
}

header.header h1 span {
  color: var(--accent);
}

header.header h1:hover {
  text-shadow: 0 0 10px rgba(255, 122, 0, 0.6);
}

/* --- Toggle Buttons --- */
.doc-toggle-wrapper {
  display: flex;
  background-color: var(--white);
  border-radius: 40px;
  overflow: hidden;
  box-shadow: 0 2px 6px var(--shadow);
  min-width: 160px;
}

.doc-toggle-btn {
  flex: 1;
  padding: 8px 20px;
  border: none;
  background: none;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--primary);
}

.doc-toggle-btn.active {
  background-color: var(--accent);
  color: var(--white);
}

.doc-toggle-btn:hover:not(.active) {
  background-color: rgba(255, 122, 0, 0.1);
}

/* ---------- Sidebar ---------- */
.sidebar {
  width: 260px;
  background-color: var(--white);
  box-shadow: 0 4px 20px var(--shadow);
  height: 100%;
  padding: 25px;
  position: fixed;
  top: 90px;
  left: 0;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar h2 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 10px;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 6px;
}

.sidebar ul {
  list-style: none;
}

.sidebar li {
  margin: 10px 0;
}

.sidebar a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  display: block;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background 0.3s, color 0.3s;
}

.sidebar a:hover {
  background-color: var(--light-bg);
  color: var(--primary);
}

.sidebar a.active {
  background-color: var(--accent);
  color: var(--white);
}

/* ---------- Container & Content ---------- */
.container {
  display: flex;
  width: 100%;
}

.content {
  margin-left: 280px;
  padding: 40px 60px;
  flex: 1;
  animation: fadeIn 0.5s ease;
}

/* ---------- Sections ---------- */
.section {
  margin-bottom: 60px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section h2 {
  color: var(--primary);
  border-left: 5px solid var(--accent);
  padding-left: 12px;
  margin-bottom: 16px;
  font-size: 1.3rem;
}

.section h3 {
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 10px;
}

.section p,
.section ul,
.section table {
  margin-bottom: 20px;
}

.section ul {
  margin-left: 20px;
  list-style: disc;
}

.figure {
  font-style: italic;
  font-size: 0.9rem;
  color: #555;
  background-color: #fff;
  padding: 8px 12px;
  border-left: 3px solid var(--accent);
  border-radius: 6px;
}

/* ---------- Tables ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  background-color: var(--white);
  box-shadow: 0 2px 8px var(--shadow);
  border-radius: var(--radius);
  overflow: hidden;
}

th, td {
  border: 1px solid #ddd;
  padding: 10px 12px;
  text-align: left;
}

th {
  background-color: var(--primary);
  color: var(--white);
}

td {
  background-color: #fff;
}

/* ---------- Buttons ---------- */
.toggle-btn {
  position: fixed;
  top: 20px;
  left: 20px;
  font-size: 1.5rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  z-index: 1200;
  display: none;
}

.toggle-btn:hover {
  background: #e36e00;
}

/* ---------- Overlay ---------- */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 37, 64, 0.15);
  display: none;
  z-index: 100;
}

.overlay.active {
  display: block;
}

/* ---------- Back to Top ---------- */
#backToTop {
  position: fixed;
  right: 25px;
  bottom: 25px;
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  transition: 0.4s;
  z-index: 1200;
}

#backToTop.show {
  opacity: 1;
}

#backToTop:hover {
  background: #e36e00;
}

/* ---------- Mobile Responsive ---------- */
@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    top: 80px;
    left: 0;
    transform: translateX(-100%);
    height: calc(100% - 80px);
    z-index: 1000;
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .toggle-btn {
    display: block;
  }

  .content {
    margin-left: 0;
    padding: 30px 20px;
  }

  header.header {
    flex-direction: column;
    height: auto;
    padding: 10px 20px;
  }

  .logo-img {
    height: 70px;
  }

  header.header h1 {
    position: relative;
    transform: none;
    left: auto;
    margin: 10px 0;
    font-size: 1.5rem;
  }

  .doc-toggle-wrapper {
    margin-bottom: 8px;
    width: 100%;
  }
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}