/* =========================
   ROOT THEME
========================= */
:root {
  --bg: #0b0b0d;
  --text: rgba(255,255,255,0.92);
  --text-soft: rgba(255,255,255,0.65);

  --glass: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.12);

  --blur: 15px;

  --shadow: 0 10px 25px rgba(0,0,0,0.35);
}

/* =========================
   SIDEBAR CONTAINER
========================= */
.sidebar-left {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);

  width: 170px;
  background: linear-gradient(rgba(0, 0, 0, 0.364), rgba(0, 0, 0, 0.364));
  border: 1px solid rgba(132, 131, 131, 0.2);
  border-left: none;
  box-shadow: 0 30px 70px rgba(0,0,0,0.35), inset 0 0 0 1px rgba(255,255,255,0.05);
  backdrop-filter: blur(calc(var(--blur) + 6px));
  -webkit-backdrop-filter: blur(calc(var(--blur) + 6px));

  padding: 18px 14px;
  border-radius: 0 24px 24px 0;
  overflow: hidden;

  z-index: 1000;
}

/* =========================
   LIST RESET
========================= */
.sidebar-left ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* =========================
   CATEGORY TITLE (<strong>)
========================= */
.sidebar-left li strong {
  display: block;

  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;

  color: var(--text-soft);

  margin: 16px 0 6px;
  padding-bottom: 4px;

  border-bottom: 1px solid rgba(255,255,255,0.10);
}

/* =========================
   LINKS + BUTTONS
========================= */
.sidebar-left a,
.sidebar-left button {
  display: flex;
  align-items: center;
  gap: 12px;

  font-size: 12px;

  color: var(--text-soft);
  text-decoration: none;

  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  cursor: pointer;

  padding: 7px 12px;
  margin-bottom: 8px;

  transition: 0.2s ease, transform 0.25s ease;
}

/* hover */
.sidebar-left a:hover,
.sidebar-left button:hover {
  color: var(--text);
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.18);
  transform: translateX(6px);
}

/* active page */
.sidebar-left a.active {
  color: var(--text);
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.22);
}

.sidebar-left a i {
  color: #a0f0ff;
  min-width: 18px;
  text-align: center;
}

/* icons */
.sidebar-left i {
  font-size: 16px;
  width: 18px;
  text-align: center;
}

/* =========================
   MOBILE SIDEBAR BEHAVIOR
========================= */
@media (max-width: 900px) {

  .sidebar-left {
    top: 0;
    height: 100%;
    transform: translateX(-110%); /* hidden */
    border-radius: 0;
  }

  .sidebar-left.open {
    transform: translateX(0); /* visible */
  }
}

/* hide button on desktop */
.menu-toggle {
  display: none;
}