/* Copyright 2025-2026 Renofy Ltd. All rights reserved. */
/* ===== UNIFIED RESPONSIVE HEADER ===== */
/* Mobile-first approach: mobile styles first, desktop enhancements via media queries */

/* Hide desktop header on mobile */
.header {
  height: 0;
}

.header__desktop {
  display: none;
}

/* === MOBILE TOP HEADER === */
.header__mobile-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-index-header);
  background: var(--color-white);
  height: var(--height-header);
  border-bottom: 0.5px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
}

.header__mobile-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  height: 100%;
  position: relative;
}

.header__mobile-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  margin-top: 0.15rem;
}

.header__logo--mobile {
  height: 29px;
}

.header__logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.header__mobile-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
}

/* === MOBILE BOTTOM NAVIGATION === */
.header__mobile-nav {
  position: fixed;
  bottom: -1px;
  left: 0;
  right: 0;
  z-index: var(--z-index-header);
  background: var(--color-bg-light);
  border-top: 0.5px solid var(--color-border);
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.06); /* Directional (upward), can't use --shadow-subtle */
  padding: 0.25rem 0.5rem;
}

/* PWA mode only - extra bottom padding for installed app */
@media (display-mode: standalone) {
  .header__mobile-nav {
    padding: 0.25rem 0.5rem 1.75rem 0.5rem;
  }
}

/* === BUTTON STYLES === */
.header__mobile-menu-button,
.header__menu-button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-light);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
  flex-shrink: 0;
}

.header__avatar-button {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

/* Role-switch button - matches hamburger menu button styling */
.header__role-switch {
  height: 38px;
  padding: 0 1rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-light);
  color: var(--color-pink);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

/* === ADAPTIVE ELEMENTS === */
.header__mobile-back,
.header__mobile-section-title,
.header__mobile-page-title {
  display: none;
}

.header__mobile-back .back-button {
  padding: 0.5rem;
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  margin-bottom: 0;
}

.header__mobile-back .back-button span {
  display: none;
}

.header__mobile-section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-top: 0.45rem;
}

.header__mobile-page-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  text-align: center;
}

.header__mobile-section-title span,
.header__mobile-page-title span {
  overflow-x: clip;
  overflow-y: visible;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* === LEVEL STATES === */

/* Level: HOME - Logo + menu + bottom nav */
.header[data-level="home"] .header__mobile-logo,
.header[data-level="home"] .header__mobile-controls {
  display: flex;
  align-items: center;
}

.header[data-level="home"] .header__mobile-content {
  justify-content: space-between;
}

/* Level: SECTION - Section title + menu + bottom nav */
.header[data-level="section"] .header__mobile-section-title,
.header[data-level="section"] .header__mobile-controls {
  display: flex;
  align-items: center;
}

.header[data-level="section"] .header__mobile-content {
  justify-content: space-between;
}

.header[data-level="section"] .header__mobile-logo {
  display: none;
}

.header[data-level="section"] .header__mobile-section-title {
  flex: 1;
  min-width: 0;
}

/* Levels with back button: DETAIL, WORKFLOW - Shared styles */
.header[data-level="detail"] .header__mobile-logo,
.header[data-level="workflow"] .header__mobile-logo {
  display: none;
}

.header[data-level="detail"] .header__mobile-content,
.header[data-level="workflow"] .header__mobile-content {
  position: relative;
}

.header[data-level="detail"] .header__mobile-back,
.header[data-level="workflow"] .header__mobile-back {
  display: flex;
  align-items: center;
  position: absolute;
  left: 0.5rem;
}

/* Levels that hide bottom nav: DETAIL, WORKFLOW */
.header[data-level="detail"] .header__mobile-nav,
.header[data-level="detail"] .header__mobile-controls,
.header[data-level="workflow"] .header__mobile-nav {
  display: none;
}

/* WORKFLOW keeps hamburger menu visible (only hides bottom nav) */
.header[data-level="workflow"] .header__mobile-controls {
  display: flex;
  position: absolute;
}

/* Level: DETAIL - Page title centered */
.header[data-level="detail"] .header__mobile-page-title {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
  padding: 0 3.5rem;
}

.header[data-level="detail"] .header__mobile-content {
  justify-content: center;
}

/* Level: WORKFLOW - Page title centered with hamburger menu */
.header[data-level="workflow"] .header__mobile-page-title {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
  padding: 0 3.5rem;
}

.header[data-level="workflow"] .header__mobile-content {
  justify-content: center;
}

/* Hide mobile header and footer when in chat conversation (React-controlled)
   Breakpoint must match MOBILE_BREAKPOINT in messaging/frontend/src/CometChat/constants.ts */
@media (max-width: 820px) {
  body.chat-in-conversation .header__mobile-top,
  body.chat-in-conversation .header__mobile-nav {
    display: none;
  }
}

/* === DESKTOP === */
@media (min-width: 821px) {
  .header__mobile-nav,
  .header__mobile-top,
  .header__mobile-back,
  .header__mobile-section-title,
  .header__mobile-page-title {
    display: none !important;
  }

  .header__desktop {
    display: block;
    position: fixed;
    top: 1rem;
    left: clamp(1rem, 2vw, 2rem);
    right: clamp(1rem, 2vw, 2rem);
    z-index: var(--z-index-header);
    background: var(--color-white);
    box-shadow: var(--shadow);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    max-width: calc(100% - clamp(2rem, 2vw, 4rem));
  }

  .header::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: calc(var(--height-header) + 20px);
    pointer-events: none;
    z-index: calc(var(--z-index-header) - 1);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    mask-image: linear-gradient(to bottom, black 20%, rgba(0, 0, 0, 0.9) 40%, rgba(0, 0, 0, 0.75) 55%, rgba(0, 0, 0, 0.6) 65%, rgba(0, 0, 0, 0.4) 75%, rgba(0, 0, 0, 0.25) 82%, rgba(0, 0, 0, 0.1) 88%, rgba(0, 0, 0, 0.02) 96%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 20%, rgba(0, 0, 0, 0.9) 40%, rgba(0, 0, 0, 0.75) 55%, rgba(0, 0, 0, 0.6) 65%, rgba(0, 0, 0, 0.4) 75%, rgba(0, 0, 0, 0.25) 82%, rgba(0, 0, 0, 0.1) 88%, rgba(0, 0, 0, 0.02) 96%, transparent 100%);
  }

  .header__desktop-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
  }

  .header__logo-section,
  .header__desktop-controls {
    display: flex;
    align-items: center;
  }

  .header__desktop-controls {
    gap: 1rem;
  }

  .header__logo {
    height: 32px;
  }

  .header__menu-button {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-xl);
  }

  .header__menu-button:hover,
  .header__menu-button:focus {
    background: var(--color-white);
    border-color: rgba(0, 0, 0, 0.15);
    transform: scale(1.04);
  }

  .header__avatar-button:hover,
  .header__avatar-button:focus {
    transform: scale(1.04);
  }

  .header__role-switch {
    height: 40px;
    border-radius: var(--radius-xl);
  }

  .header__role-switch:hover {
    background: var(--color-white);
    border-color: rgba(0, 0, 0, 0.15);
    transform: scale(1.04);
  }

  .header__desktop-nav {
    padding: 0;
  }

  /* Messaging level: show full header (no special rules needed, default behavior) */
}