/* ============================================================
   nav-style.css  —  CEO CoPilot navigation bar
   Works with nav-bar.php (classes: nav-toolbar, nav-links,
   nav-dropdown, nav-dropdown-content, toolbar-btn, nav-select)
   ============================================================ */

/* ── Design tokens ── */
:root {
  --nav-accent:       #004080;          /* navy — bar background (light) */
  --nav-accent-dark:  #0d0d0f;          /* bar background in dark mode   */
  --nav-btn-bg:       rgba(255,255,255,0.12);
  --nav-btn-border:   rgba(255,255,255,0.30);
  --nav-btn-color:    #ffffff;
  --nav-btn-hover-bg: rgba(255,255,255,0.24);
  --nav-btn-hover-border: rgba(255,255,255,0.50);
  --nav-drop-bg:      #003070;          /* slightly darker navy for panel */
  --nav-drop-divider: rgba(255,255,255,0.12);
  --nav-height:       44px;
}

[data-theme="dark"] {
  --nav-accent:       #0d0d0f;
  --nav-drop-bg:      #16161a;
  --nav-btn-bg:       rgba(255,255,255,0.07);
  --nav-btn-border:   rgba(255,255,255,0.15);
  --nav-btn-hover-bg: rgba(255,255,255,0.14);
  --nav-drop-divider: rgba(255,255,255,0.08);
}

/* ── Toolbar bar ── */
.nav-toolbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--nav-accent);
  border-bottom: 1px solid rgba(0,0,0,0.25);
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 10px;
  font-family: Arial, sans-serif;
  font-size: 13px;
  z-index: 9999;
  transition: background 0.3s;
  white-space: nowrap;
}

/* Spacer div below the fixed bar */
.nav-spacer {
  height: var(--nav-height);
}

/* ── Brand text ── */
.nav-brand {
  font-weight: 700;
  color: #ffffff;
  font-size: 15px;
  flex-shrink: 0;
  margin-right: 4px;
}
.nav-brand-small {
  color: #ffffff;
  font-size: 13px;
  flex-shrink: 0;
  white-space: nowrap;
}

/* ── Client selector group ── */
.nav-client-select {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* ── Client <select> dropdown ── */
.nav-select {
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--nav-btn-border);
  background: var(--nav-btn-bg);
  color: #ffffff;
  font-size: 12px;
  cursor: pointer;
  max-width: 180px;
  height: 28px;
}
.nav-select option {
  background: #003070;
  color: #ffffff;
}

/* ── Nav links row ── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  flex-wrap: nowrap;
}

/* ── Base button / link ── */
.toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 11px;
  height: 28px;
  border: 1px solid var(--nav-btn-border);
  border-radius: 4px;
  background: var(--nav-btn-bg);
  color: var(--nav-btn-color);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  font-family: Arial, sans-serif;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.18s, border-color 0.18s;
  line-height: 1;
  flex-shrink: 0;
}

.toolbar-btn:hover {
  background: var(--nav-btn-hover-bg);
  border-color: var(--nav-btn-hover-border);
  color: #ffffff;
  text-decoration: none;
}

/* ── Dropdown wrapper ── */
.nav-dropdown {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
}

/* ── Dropdown panel ── */
.nav-dropdown-content {
  /* hidden by default — no !important so hover can override */
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--nav-drop-bg);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.35);
  z-index: 10000;
  margin-top: 2px;
  overflow: hidden;
}

/* Show on hover */
.nav-dropdown:hover .nav-dropdown-content {
  display: block;
}

/* ── Items inside dropdown ── */
.nav-dropdown-content .toolbar-btn {
  display: block;
  width: 100%;
  height: auto;
  padding: 8px 14px;
  text-align: left;
  justify-content: flex-start;
  border: none;
  border-bottom: 1px solid var(--nav-drop-divider);
  border-radius: 0;
  background: transparent;
  font-size: 12px;
}

.nav-dropdown-content .toolbar-btn:last-child {
  border-bottom: none;
}

.nav-dropdown-content .toolbar-btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--nav-drop-divider);
}

/* ── Theme toggle button ── */
#themeToggleBtn {
  /* same as .toolbar-btn — just ensure browser reset doesn't fight it */
  -webkit-appearance: none;
  appearance: none;
  outline: none;
}

/* ── Dark mode overrides ── */
[data-theme="dark"] .nav-toolbar {
  background: var(--nav-accent-dark);
  border-bottom-color: #2a2a3a;
}

[data-theme="dark"] .nav-dropdown-content {
  background: #1a1a24;
  border-color: rgba(255,255,255,0.10);
}

[data-theme="dark"] .toolbar-btn {
  color: #c8c8d8;
}

[data-theme="dark"] .toolbar-btn:hover {
  color: #ffffff;
}

[data-theme="dark"] .nav-select {
  background: rgba(255,255,255,0.07);
  color: #c8c8d8;
  border-color: rgba(255,255,255,0.15);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .nav-toolbar {
    flex-wrap: wrap;
    height: auto;
    padding: 8px 12px;
  }
  .nav-spacer {
    height: 80px;
  }
  .nav-links {
    flex-wrap: wrap;
    margin-left: 0;
  }
  .nav-dropdown-content {
    position: fixed;
    top: auto;
    left: 12px;
    right: 12px;
    min-width: unset;
    width: auto;
  }
}