/* ==========================================================================
   Design System & Main Stylesheet - SupaTest V2 (Notion Minimalist Theme)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color Palette - Notion Dark Minimalist */
  --bg-app: #191919;
  --bg-sidebar: #202020;
  --bg-surface: #252525;
  --bg-surface-hover: #2f2f2f;
  --bg-surface-active: #373737;
  --bg-card: #202020;
  --bg-input: #191919;
  --bg-code: #121212;

  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);
  --border-focus: #3ecf8e;

  --text-main: #ffffff;
  --text-muted: #d4d4d8;
  --text-dim: #a1a1aa;
  --text-link: #3ecf8e;

  /* Supabase Emerald Green Accent */
  --primary: #3ecf8e;
  --primary-glow: rgba(62, 207, 142, 0.2);
  --primary-hover: #34b27b;
  --primary-active: #2a9d68;
  --primary-text: #042314;

  --accent-green: #3ecf8e;
  --accent-blue: #38bdf8;
  --accent-purple: #c084fc;

  --status-success: #3ecf8e;
  --status-success-bg: rgba(62, 207, 142, 0.18);
  --status-warning: #fbbf24;
  --status-warning-bg: rgba(245, 158, 11, 0.2);
  --status-danger: #f87171;
  --status-danger-bg: rgba(239, 68, 68, 0.2);
  --status-info: #38bdf8;
  --status-info-bg: rgba(56, 189, 248, 0.2);

  /* Typography - Notion System Font Stack */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  /* Notion Minimalist Shapes (Subtle Radii) */
  --sidebar-width: 300px;
  --header-height: 54px;
  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --radius-xl: 8px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.45);
  --transition: all 0.12s ease-in-out;
}

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

html, body {
  height: 100%;
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  font-size: 13.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

/* App Container Layout */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* HUD Top Header (Notion Breadcrumb / Title Bar Style) */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  z-index: 20;
  gap: 1rem;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 200px;
}

.brand-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  display: block;
}

.brand-title {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

.brand-badge {
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.1rem 0.4rem;
  background: var(--bg-surface);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
}

/* Active Session / Role Identity HUD (Notion Tag Group Style) */
.hud-active-identity {
  display: flex;
  align-items: center;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.3rem 0.75rem;
  gap: 0.85rem;
  max-width: 750px;
  flex: 1;
}

.hud-role-container {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  border-right: 1px solid var(--border-subtle);
  padding-right: 0.75rem;
}

.hud-role-pill {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  transition: var(--transition);
}

.hud-role-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--status-success);
}

.hud-info-item {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  border-right: 1px solid var(--border-subtle);
  padding-right: 0.75rem;
}

.hud-info-item:last-child {
  border-right: none;
  padding-right: 0;
}

.hud-info-label {
  color: var(--text-dim);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hud-info-value {
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Main Workspace Body */
.app-workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* Sidebar (Notion Page Hierarchy Sidebar Style) */
.app-sidebar {
  width: var(--sidebar-width);
  min-width: 260px;
  max-width: 340px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.sidebar-section {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.sidebar-section-title {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

/* Project Quick Status */
.project-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

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

.project-card-url {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-card-status {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Personas List (Notion Item List Style) */
.personas-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.persona-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-sm);
  background-color: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.persona-item:hover {
  background-color: var(--bg-surface-hover);
}

.persona-item.active {
  background-color: var(--bg-surface-active);
  border-color: var(--border-strong);
}

.persona-info {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  overflow: hidden;
}

.persona-avatar {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}

.persona-details {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.persona-name {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.persona-role-label {
  font-size: 0.68rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.persona-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  opacity: 0;
  transition: var(--transition);
}

.persona-item:hover .persona-actions {
  opacity: 1;
}

/* Main Content Area */
.main-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height));
  background-color: var(--bg-app);
  overflow-y: auto;
}

/* Navigation Tabs (Notion Database View Tabs Style) */
.view-nav {
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.25rem;
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.nav-tab:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.03);
}

.nav-tab.active {
  color: #ffffff;
  border-bottom-color: var(--primary);
  font-weight: 600;
}

/* Main Content Panel */
.tab-content {
  display: none;
  padding: 1.25rem;
  flex: 1;
}

.tab-content.active {
  display: block;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}