/* ============================================================
   layout.css — Navigation, 3-column layout, panel, login
   Partage Dossier Website
   ============================================================ */

/* ── Nav height constant ────────────────────────────────────── */
:root {
  --nav-height: 52px;
  --color-surface-2: #111111;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  height: var(--nav-height);
  padding: 0 var(--space-8);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-8);
}

/* Logo / brand */
.nav__brand {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  font-size: var(--text-xl);
  color: var(--color-accent);
  letter-spacing: var(--tracking-wider);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__brand:hover {
  color: var(--color-accent-hover);
}

/* Centre: page links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  justify-content: center;
}

.nav__links li {
  display: flex;
  align-items: center;
}

/* Separator dots between links */
.nav__links li + li::before {
  content: '|';
  color: var(--color-border);
  margin-right: var(--space-2);
  font-size: var(--text-sm);
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__link--active {
  color: var(--color-text);
}

/* Active underline */
.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: var(--space-5);
  right: var(--space-5);
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

/* Right: actions */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-shrink: 0;
}

/* Language switcher */
.nav__lang {
  display: flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-body);
  font-size: var(--text-sm);
}

.nav__lang-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  font-family: inherit;
  font-size: inherit;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  letter-spacing: var(--tracking-wide);
  font-weight: var(--font-weight-regular);
}

.nav__lang-btn:hover {
  color: var(--color-text);
}

.nav__lang-btn--active {
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

.nav__lang-sep {
  color: var(--color-border);
  font-size: var(--text-xs);
}

/* Role badge */
.nav__role {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* Logout button */
.nav__logout {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-2) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.nav__logout:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

/* ============================================================
   3-COLUMN LAYOUT
   ============================================================ */
.layout {
  display: grid;
  grid-template-columns: var(--layout-sidebar-width) 1fr;
  min-height: calc(100vh - var(--nav-height));
  max-width: var(--layout-wide-width);
  margin: 0 auto;
  width: 100%;
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  width: var(--layout-sidebar-width);
  background: var(--color-surface-2);
  border-right: 1px solid var(--color-border);
  padding: var(--space-12) var(--space-8);
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
  overflow-y: auto;
  flex-shrink: 0;
}

.sidebar__title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin: 0 0 var(--space-8) 0;
}

.sidebar__loading {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

/* Sidebar navigation items (populated later) */
.sidebar__nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar__nav-link {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.sidebar__nav-link:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.sidebar__nav-link--active {
  color: var(--color-accent);
  background: rgba(254, 110, 0, 0.08);
}

/* ── Main content ───────────────────────────────────────────── */
.main-content {
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  padding: var(--space-12);
}

.main-content__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: 0 0 var(--space-8) 0;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}

/* Table container placeholder */
.table-container {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  background: var(--color-surface-2);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Right panel ────────────────────────────────────────────── */
.panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.panel-overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

.panel {
  position: fixed;
  top: var(--nav-height);
  right: 0;
  bottom: 0;
  width: var(--layout-panel-width);
  background: var(--color-surface-2);
  border-left: 1px solid var(--color-border);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out-expo);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel--open {
  transform: translateX(0);
}

.panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-10) var(--space-12);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.panel__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: 0;
}

.panel__close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: var(--text-xl);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  line-height: 1;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.panel__close:hover {
  color: var(--color-text);
}

.panel__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-12);
}

/* ============================================================
   INVENTAIRE — En cours de constitution notice
   ============================================================ */
.notice {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: var(--space-32) var(--space-24);
  text-align: center;
  min-height: 300px;
}

.notice__icon {
  font-size: 48px;
  line-height: 1;
  color: var(--color-text-muted);
  opacity: 0.5;
}

.notice__box {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24) var(--space-32);
  max-width: 480px;
}

.notice__text {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin: 0;
  line-height: var(--leading-relaxed);
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-16);
  background: var(--color-bg);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24) var(--space-20);
  box-shadow: var(--shadow-overlay);
}

.login-card__brand {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  font-size: var(--text-4xl);
  color: var(--color-accent);
  letter-spacing: var(--tracking-wider);
  text-align: center;
  margin: 0 0 var(--space-4) 0;
  display: block;
}

.login-card__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
  margin: 0 0 var(--space-16) 0;
  line-height: var(--leading-relaxed);
}

.login-card__subtitle strong {
  display: block;
  font-size: var(--text-base);
  color: var(--color-text);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
}

/* Divider */
.login-card__divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0 0 var(--space-12) 0;
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form__label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-regular);
}

.form__input {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  padding: var(--space-6) var(--space-8);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
  outline: none;
}

.form__input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(254, 110, 0, 0.18);
}

.form__input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.form__submit {
  background: var(--color-accent);
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text-inverted);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-weight-bold);
  padding: var(--space-7) var(--space-8);
  transition: background var(--transition-fast);
  margin-top: var(--space-4);
  letter-spacing: var(--tracking-wide);
}

.form__submit:hover {
  background: var(--color-accent-hover);
}

.form__submit:active {
  transform: translateY(1px);
}

.form__error {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-danger);
  text-align: center;
  min-height: 1.2em;
  display: none;
}

.form__error--visible {
  display: block;
}

/* ============================================================
   HAMBURGER / MOBILE MENU BUTTON
   Hidden on desktop; shown on mobile via media query below.
   ============================================================ */
.nav__menu-btn {
  display: none;             /* hidden on desktop */
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: var(--text-xl);
  padding: var(--space-2) var(--space-4);
  line-height: 1;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.nav__menu-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ── Small desktop (1024px–1280px) ──────────────────────────── */
@media (max-width: 1280px) {
  .layout {
    grid-template-columns: 200px 1fr;
  }

  .sidebar {
    width: 200px;
  }

  .main-content {
    padding: var(--space-10);
  }
}

/* ── Tablet (768px–1024px) ──────────────────────────────────── */
@media (max-width: 1024px) {
  .layout {
    grid-template-columns: 180px 1fr;
  }

  .sidebar {
    width: 180px;
    padding: var(--space-8) var(--space-6);
  }

  /* Panel becomes full-width overlay on tablet */
  .panel {
    width: 100%;
    right: -100%;
  }

  .panel--open {
    transform: translateX(0);
    right: 0;
  }

  /* Charts on Manhay: stack vertically */
  .manhay-charts {
    flex-direction: column;
  }

  .manhay-charts__chart {
    width: 100%;
    max-width: 100%;
  }
}

/* ── Mobile (< 768px) ───────────────────────────────────────── */
@media (max-width: 768px) {
  /* Collapse sidebar — layout becomes single column */
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
    width: 100%;
  }

  /* Mobile sidebar: shown as fixed overlay when toggled open */
  .sidebar--mobile-open {
    display: block;
    position: fixed;
    inset: var(--nav-height) 0 0 0;
    z-index: var(--z-modal);
    background: var(--color-bg);
    height: calc(100vh - var(--nav-height));
    overflow-y: auto;
    padding: var(--space-8);
    border-right: none;
    border-top: 1px solid var(--color-border);
  }

  /* Hide nav page-links; show hamburger */
  .nav__links {
    display: none;
  }

  .nav__menu-btn {
    display: flex;
  }

  /* Panel: full-width on mobile */
  .panel {
    width: 100%;
    right: -100%;
  }

  .panel--open {
    transform: translateX(0);
    right: 0;
  }

  /* Main content: tighter padding */
  .main-content {
    padding: var(--space-8) var(--space-6);
  }

  /* Login card: full-width on very small screens */
  .login-card {
    max-width: 100%;
  }

  /* Nav actions: hide role badge on mobile to save space */
  .nav__role {
    display: none !important;
  }
}

/* ============================================================
   UTILITY: visually hidden (accessibility)
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   FOCUS VISIBLE
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ============================================================
   SCROLLBAR (webkit)
   ============================================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}