@import url("Color.css");
@import url("General.css");
@import url("Font.css");

:root {
  --sidebar-width: 220px;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-bg-dark);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  z-index: 30;
  border-right: 1px solid var(--color-border-soft);
}

.sidebar a {
  margin: 6px 0;
  padding: 10px 12px;
  min-height: 44px;
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
}

.sidebar .active {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 6px 14px var(--color-shadow-soft);
}

.sidebar a:hover {
  background: var(--color-bg-surface);
  border-color: var(--color-border-strong);
}

.sidebar-bottom {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.sidebar .lang-form {
  margin-bottom: 20px;
}

.sidebar .lang-select-wrapper {
  position: relative;
  display: block;
  width: 100%;
}

.sidebar .lang-select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-color: var(--color-bg-darkest);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-sm);
  padding: 8px 35px 8px 12px;
  font-size: 1rem;
  cursor: pointer;
  transition: 0.2s;
  box-sizing: border-box;
}

.sidebar .lang-select:hover {
  border-color: var(--color-border-muted);
}

.sidebar .lang-select:focus {
  border-color: var(--color-accent);
}

.sidebar .lang-select-wrapper::after {
  content: "v";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--color-text-primary);
  font-size: 0.8rem;
}

.sidebar .log {
  margin-top: 0;
  margin-bottom: 20px;
  background: var(--color-bg-secondary-dark);
}

@media (max-width: 1024px) and (min-width: 901px) {
  .sidebar {
    width: 206px;
    padding: 18px 14px;
  }
}

.mobile-menu-toggle {
  display: none;
}

.sidebar-overlay {
  display: none;
}

body.sidebar-open {
  overflow: hidden;
}

@media (max-width: 900px) {
  body {
    padding-bottom: 72px;
  }

  .sidebar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    width: 100%;
    max-height: 78vh;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-radius: 16px 16px 0 0;
    transform: translateY(calc(100% + 24px));
    transition: transform 0.25s ease;
    overflow-y: auto;
    z-index: 60;
    box-shadow: 0 -12px 30px var(--color-shadow-strong);
  }

  .sidebar.is-open {
    transform: translateY(0);
  }

  .sidebar a {
    margin: 0;
    white-space: normal;
    text-align: left;
    min-height: 46px;
  }

  .sidebar .active {
    padding: 8px 10px;
  }

  .sidebar-bottom {
    margin-top: 8px;
    margin-left: 0;
    margin-bottom: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 8px;
  }

  .sidebar .lang-form {
    margin-bottom: 0;
  }

  .sidebar .lang-select-wrapper {
    width: 100%;
    min-width: 0;
  }

  .sidebar .log {
    margin-bottom: 0;
    text-align: center;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    right: 16px;
    bottom: 16px;
    width: 52px;
    height: 52px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--color-accent);
    color: transparent;
    font-size: 0;
    line-height: 0;
    cursor: pointer;
    z-index: 70;
    box-shadow: 0 8px 20px var(--color-shadow-strong);
  }

  .mobile-menu-toggle:hover {
    background: var(--color-accent-hover);
  }

  .mobile-menu-toggle::before {
    content: "";
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    box-shadow: 0 -6px 0 #fff, 0 6px 0 #fff;
  }

  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 50;
  }

  .sidebar-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 640px) {
  .sidebar {
    max-height: 82vh;
    padding: 14px;
  }

  .sidebar .lang-form,
  .sidebar .lang-select-wrapper {
    width: 100%;
  }

  .mobile-menu-toggle {
    right: 14px;
    bottom: 14px;
    width: 50px;
    height: 50px;
  }
}

@media (max-width: 480px) {
  .sidebar {
    max-height: 84vh;
    padding: 12px;
  }
}