/* =======================================================================
   header.css — GLOBAL HEADER & NAVIGATION (FINAL, CLEAN)
   =======================================================================
   PURPOSE
   -----------------------------------------------------------------------
   - Global sticky header styling
   - Logo, navigation, theme toggle
   - Mobile hamburger menu + dropdown
   - Desktop & mobile handled safely

   ARCHITECTURE RULES
   -----------------------------------------------------------------------
   - ❌ No page-specific styles here
   - ❌ No footer styles here
   - ✔ Core layout vars → global.css
   - ✔ Color overrides → theme.css

   STATUS
   -----------------------------------------------------------------------
   ✔ Deduplicated
   ✔ Mobile nav drops DOWN
   ✔ Full-width dividers
   ✔ Vote CTA highlighted
   ✔ Light & dark themes supported
   ======================================================================= */


/* =======================================================================
   HEADER BASE
   ======================================================================= */

.header {
  position: sticky;
  top: 0;
  z-index: 1200;
  height: var(--header-height);
  display: flex;
  align-items: center;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(16,16,32,0.08);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}


/* =======================================================================
   HEADER BACKGROUND (LIGHT / DARK)
   ======================================================================= */

.header {
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.95),
    rgba(255,255,255,0.85)
  );
  box-shadow:
    0 1px 0 rgba(255,255,255,0.9) inset,
    0 6px 24px rgba(16,16,32,0.08);
}

[data-theme="dark"] .header {
  background: linear-gradient(
    180deg,
    rgba(18,20,26,0.95),
    rgba(18,20,26,0.85)
  );
  box-shadow:
    0 1px 0 rgba(255,255,255,0.06) inset,
    0 10px 32px rgba(0,0,0,0.6);
}


/* =======================================================================
   LOGO
   ======================================================================= */

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 12px;
  padding: 4px;
  background: rgba(255,255,255,0.9);
  border: 1.5px solid rgba(0,0,0,0.35);
}

.logo-text .title {
  font-weight: 800;
  color: var(--text);
}

.logo-text .meta {
  font-size: 12px;
  color: var(--muted);
}

[data-theme="dark"] .logo-img {
  background: rgba(0,0,0,0.45);
  border-color: rgba(255,255,255,0.4);
}


/* =======================================================================
   DESKTOP NAVIGATION
   ======================================================================= */

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-link {
  padding: 8px 10px;
  border-radius: 8px;
  font-weight: 500;
  color: var(--text);
}

.nav-link:hover {
  background: var(--glass);
}


/* =======================================================================
   THEME TOGGLE
   ======================================================================= */

.theme-toggle {
  padding: 8px;
  border-radius: 10px;
  border: 1.5px solid rgba(0,0,0,0.45);
  background: rgba(255,255,255,0.7);
  cursor: pointer;
}

[data-theme="dark"] .theme-toggle {
  background: rgba(0,0,0,0.55);
  border-color: rgba(255,255,255,0.5);
}


/* =======================================================================
   HAMBURGER BUTTON (MOBILE)
   ======================================================================= */

.hamburger-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1.5px solid rgba(0,0,0,0.25);
  background: var(--glass);
  cursor: pointer;

  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.hamburger-btn span {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
}

[data-theme="dark"] .hamburger-btn {
  background: rgba(0,0,0,0.45);
  border-color: rgba(255,255,255,0.35);
}

[data-theme="dark"] .hamburger-btn span {
  background: #fff;
}

@media (max-width: 768px) {
  .hamburger-btn {
    display: inline-flex;
  }
}


/* =======================================================================
   DESKTOP ORDER FIX
   ======================================================================= */

@media (min-width: 769px) {
  .header-actions .hamburger-btn { order: 1; }
  .header-actions .nav { order: 2; }
  .header-actions .theme-toggle {
    order: 3;
    margin-left: 14px;
  }
}


/* =======================================================================
   MOBILE NAV DROPDOWN — FINAL
   ======================================================================= */

@media (max-width: 768px) {

  /* Dropdown container */
  .header .nav.nav-dropdown {
    position: absolute;
    top: calc(var(--header-height) + 8px);
    left: 12px;
    right: 12px;

    display: flex;
    flex-direction: column;

    padding: 14px 16px;
    border-radius: 16px;

    background: #ffffff;
    box-shadow: 0 20px 50px rgba(16,16,32,0.18);
  }

  /* NAV ITEMS — FULL WIDTH WITH DIVIDERS */
  .header .nav.nav-dropdown .nav-link {
    display: flex;
    align-items: center;

    width: 100%;
    padding: 14px 6px;

    font-size: 15px;
    font-weight: 600;
    color: var(--text);

    border-bottom: 1px solid rgba(0,0,0,0.08);
  }

  .header .nav.nav-dropdown .nav-link:last-of-type {
    border-bottom: none;
  }

  /* LEFT ACCENT INDICATOR */
  .header .nav.nav-dropdown .nav-link::before {
    content: "";
    width: 3px;
    height: 0;
    background: var(--accent);
    border-radius: 4px;
    margin-right: 10px;
    transition: height 0.2s ease;
  }

  .header .nav.nav-dropdown .nav-link:hover {
    background: rgba(124,58,237,0.06);
  }

  .header .nav.nav-dropdown .nav-link:hover::before {
    height: 60%;
  }

  /* VOTE BUTTON — SPECIAL CTA */
  .header .nav.nav-dropdown .button {
    margin-top: 18px;
    padding: 14px;
    width: 100%;

    text-align: center;
    font-size: 15px;
    font-weight: 800;

    border-radius: 14px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: #fff;

    box-shadow: 0 10px 30px rgba(139,92,246,0.25);
  }

  /* DARK MODE */
  [data-theme="dark"] .header .nav.nav-dropdown {
    background: #0f1115;
    border: 1px solid rgba(255,255,255,0.08);
  }

  [data-theme="dark"] .header .nav.nav-dropdown .nav-link {
    color: #e8e6ef;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  [data-theme="dark"] .header .nav.nav-dropdown .nav-link:hover {
    background: rgba(139,92,246,0.18);
  }

  [data-theme="dark"] .header .nav.nav-dropdown .button {
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
  }
}