:root {
  --bg: #0b0f14;
  --panel: #121821;
  --text: #e9eef5;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --soft: #1e293b;
  --border: #223047;
  --danger: #ef4444; 
  --ok: #22c55e;
}

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

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
}

/* --- NEW: Site Shell and Navigation --- */
#site-root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-nav {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 22px;
}

.site-logo {
  font-size: 18px;
  font-weight: 650;
  margin-right: 10px;
}

/* Pushes the link group and auth button to the right */
.nav-links-group {
    display: flex;
    gap: 20px;
    margin-left: auto; /* Pushes the group to the right */
}

.nav-link {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 15px;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(59,130,246,0.1);
}

.nav-link.active {
  color: var(--text);
  font-weight: 600;
  border-bottom: 2px solid var(--accent);
  border-radius: 0;
}

/* Auth button styling (Client App default) */
#auth-nav-btn {
  background: var(--accent);
  color: #e7f0ff;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
  margin-left: 20px; /* Separator from the main nav group */
}

#auth-nav-btn:hover {
  background: #2563eb;
  color: #e7f0ff;
}

/* Style for when the button is Log Out */
#auth-nav-btn.logout-style {
  background: var(--danger); /* Red color for log out */
}
#auth-nav-btn.logout-style:hover {
  background: #dc2626;
}

#content-area {
  flex-grow: 1;
  padding: 22px;
  display: flex;
  justify-content: center;
}

/* --- NEW: Standard Pages & Login --- */
.standard-page {
  max-width: 800px;
  width: 100%;
  padding: 20px;
  background: var(--panel);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.standard-page h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  margin-top: 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 15px;
}

.login-shell {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 10vh;
}

.login-container {
  width: 100%;
  max-width: 380px;
  padding: 24px;
  background: var(--panel);
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.login-header .title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-header .sub {
  color: var(--muted);
  margin-bottom: 16px;
}

.login-form .form-group {
  margin-bottom: 15px;
}

.login-form label {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
}

.login-form .btn-primary {
  width: 100%;
  margin-top: 10px;
}

/* Allow target planning page to scroll instead of getting clipped */
.main.is-target-planning-page {
  overflow: auto; /* overrides overflow:hidden */
}

/* --- AUTHENTICATED APP SHELL STYLES --- */

.app-shell {
  display: flex;
  justify-content: center;
  padding: 0;
  width: 100%;
}

.app-container {
  width: 100%;
  max-width: 1200px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 260px 1fr; /* Sidebar for Auth pages */
  box-shadow: 0 18px 46px rgba(0,0,0,0.55);
}

.app-container.no-sidebar {
  grid-template-columns: 1fr;
}

/* Sidebar for Auth Pages (Dashboard Nav) */
.sidebar {
  background: #060913;
  border-right: 1px solid var(--border);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar .brand { display: grid; gap: 4px; }
.sidebar .brand .title { font-size: 18px; font-weight: 650; letter-spacing: 0.2px; }
.sidebar .brand .sub { font-size: 13px; color: var(--muted); }

/* New style for app navigation buttons (for Settings/Reports) */
.nav-app-btn {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  padding: 10px 10px;
  text-align: left;
  border-radius: 12px;
  cursor: pointer;
  font-size: 14px;
  display: block;
}
.nav-app-btn:hover { background: var(--soft); border-color: var(--border); }
.nav-app-btn.active {
  background: #0b1120;
  border-color: rgba(59,130,246,0.9);
  box-shadow: 0 0 0 1px rgba(59,130,246,0.35) inset;
}


.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  display: grid;
  gap: 8px;
}

/* Main Content Area (for settings, reports, or questionnaire) */
.main {
  padding: 18px 22px 22px;
  min-height: 500px; /* Ensure content is visible */
  overflow: hidden;
}

/* Questionnaire specific layout inside the main content area */
.main-content-area {
    width: 100%;
    /* Re-enable the two-column grid for the questionnaire */
    display: grid; 
    grid-template-columns: 200px 1fr;
    gap: 18px;
    height: 100%;
    min-height: 500px;
    /* FIX: Set dark background for questionnaire (covers the gap and surrounding area) */
    background: #0f1724; 
    border-radius: 12px;
}

.main-content-area.single-column {
    /* This rule keeps the Settings/Reports pages in a single column (NO SUB-NAV) */
    grid-template-columns: 1fr;
    /* FIX: Override background to transparent for Settings page, using the parent app-container background */
    background: transparent;
}


.main-content-area .sidebar-qn {
    /* FIX: Set a distinct dark background for the questionnaire sidebar (THE TAB LIST) */
    background: #0b1120;
    border-radius: 12px;
    padding: 12px 10px; /* Add padding to contain the buttons */
    /* Make sidebar visible only within the 2-column layout */
    display: flex; 
    flex-direction: column;
    gap: 10px;
}

/* Styling for the Questionnaire Page Buttons (Matching 'style - Working with Tabs But Settings is not right.css') */
.nav-page-btn {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 10px 10px;
  text-align: left;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s;
}

.nav-page-btn .step {
    font-size: 11px;
    padding: 3px 6px;
    background: var(--soft);
    border-radius: 4px;
    color: var(--text);
}

.nav-page-btn:hover { background: var(--soft); }

.nav-page-btn.active {
  color: var(--text);
  font-weight: 600;
  background: var(--soft);
  border-color: var(--accent);
}

.main-content-area .main-qn {
    /* FIX: Set background to transparent since main-content-area now provides the dark background */
    background: transparent;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 12px;
    min-height: 0;
    padding: 15px;
    border-radius: 12px;
}


.main-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}
.page-title { font-size: 20px; font-weight: 650; }
.status { font-size: 13px; color: var(--muted); }

.page-body { overflow: auto; padding-right: 6px; }

/* Questions */
.question-block {
  background: #0f1724;
  border: 1px solid rgba(148,163,184,0.22);
  border-radius: 14px;
  padding: 12px 12px 10px;
  margin-bottom: 12px;
}

.question-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.question-label { font-weight: 600; font-size: 14px; }
.question-meta { font-size: 11px; color: var(--muted); white-space: nowrap; }

.question-input-row {
  display: grid;
  grid-template-columns: minmax(220px, 1.05fr) minmax(220px, 1fr) minmax(260px, 1.2fr);
  gap: 10px;
  align-items: center;
}

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

.select, .text, .input {
  width: 100%;
  padding: 9px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #020617;
  color: var(--text);
}
.select:focus, .text:focus, .input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px rgba(59,130,246,0.22); }

.radio-group { display: inline-flex; gap: 12px; align-items: center; font-size: 14px; }
.radio-group label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.radio-group input { transform: translateY(1px); }

.checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; font-size: 14px; }
.checkbox-group label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }

.file-wrap { display: grid; grid-template-columns: 120px 1fr; gap: 10px; align-items: center; }
.file-label { font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.existing-file { grid-column: 1 / -1; font-size: 12px; color: var(--muted); }

/* Footer */
.footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid rgba(148,163,184,0.18);
}
.btn-row { display: flex; gap: 10px; align-items: center; }
.btn {
  border-radius: 999px;
  padding: 10px 14px;
  border: 1px solid transparent;
  font-size: 14px;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #e7f0ff; }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn:disabled { opacity: 0.5; cursor: default; }

@media (max-width: 980px) {
  .app-container { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--border); }
  .main-content-area { grid-template-columns: 1fr; gap: 12px; }
  .main-content-area .sidebar-qn { display: none; } /* Hide internal sidebar on small screen */
  .question-input-row { grid-template-columns: 1fr; }
  .file-wrap { display: grid; grid-template-columns: 120px 1fr; gap: 10px; align-items: center; }
}