@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&display=swap');

:root {
  --bg-color: #070707;
  --panel-color: #0b0b0b;
  --text-color: #ffffff;
  --text-muted: #c8c8c8;
  --border-color: transparent;
  --hover-bg: #171717;
  --active-bg: #1f1f1f;
  --accent-color: #f2f2f2;
  --link-hover-color: #fd5e53;
}

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

body {
  font-family: 'Montserrat', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  height: 100vh;
  overflow: hidden;
}

.layout-container {
  display: flex;
  height: 100vh;
  padding: 4vh 4vw;
  gap: 2.5vw;
}

.iframe-wrapper {
  flex-grow: 1;
  order: 2;
  position: relative;
  overflow: hidden;
  background-color: #000000;
}

.iframe-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
  background-color: #000000;
  display: block;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  background: rgba(0, 0, 0, 0.15);
}

.iframe-wrapper.is-empty .empty-state {
  display: flex;
}

.right-panel {
  order: 1;
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--panel-color);
  padding: 16px 14px;
}

.site-header {
  margin-bottom: 14px;
  padding-bottom: 14px;
}

.site-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 8px;
}

.site-header p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.site-header h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-color);
  letter-spacing: 0.04em;
}

.week-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.week-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  transition: color 0.2s ease;
}

.week-link:hover {
  color: var(--link-hover-color);
}

.week-link.active {
  color: var(--text-color);
  font-weight: 400;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.week-link.disabled {
  opacity: 0.3;
  pointer-events: none;
  cursor: default;
}

.menu-container {
  flex-grow: 1;
  overflow-y: auto;
}

#project-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#project-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 10px;
  background-color: transparent;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

#project-list li:hover {
  background-color: var(--hover-bg);
}

#project-list li.active {
  background-color: var(--active-bg);
}

.project-name {
  flex: 1 1 auto;
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
}

.project-row {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
}

.project-open-link {
  flex: 0 0 auto;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.project-open-link:hover {
  color: var(--link-hover-color);
  text-decoration: none;
}

.project-open-link:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 2px;
}

.project-open-link.disabled,
.project-doc-link.disabled {
  opacity: 0.35;
  pointer-events: none;
}

.project-doc-link {
  flex: 0 0 auto;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.project-name:hover {
  color: var(--link-hover-color);
  text-decoration: none;
}

.project-doc-link:hover {
  color: var(--link-hover-color);
  text-decoration: none;
}

.menu-container::-webkit-scrollbar {
  width: 6px;
}

.menu-container::-webkit-scrollbar-track {
  background: transparent;
}

.menu-container::-webkit-scrollbar-thumb {
  background-color: #3a3a3a;
}