/* =============================================================
   ANALIZUS — MODERN KATMAN: navbar.css
   Component: .site-nav (BEM) | .nav-drawer | .nav-overlay
   Bootstrap'in .navbar class'ına dokunulmaz.
   ============================================================= */

/* -------------------------------------------------------------
   BODY PADDING — Fixed navbar için yer açar
   ------------------------------------------------------------- */
body {
    padding-top: 64px;
}
@media (max-width: 1023px) {
    body { padding-top: 56px; }
}

/* -------------------------------------------------------------
   SITE-NAV — Ana kapsayıcı (header)
   ------------------------------------------------------------- */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;
    z-index: var(--ax-z-sticky);
    background-color: rgba(11, 15, 25, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ax-border-default);
    transition: background-color var(--ax-transition-normal),
                box-shadow var(--ax-transition-normal);
}

.site-nav--scrolled {
    background-color: rgba(11, 15, 25, 0.98);
    box-shadow: var(--ax-shadow-lg);
}

@media (max-width: 1023px) {
    .site-nav { height: 56px; }
}

.site-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--ax-space-4);
}

/* -------------------------------------------------------------
   LOGO
   ------------------------------------------------------------- */
.site-nav__logo {
    display: flex;
    align-items: center;
    gap: var(--ax-space-2);
    text-decoration: none;
    font-size: var(--ax-text-lg);
    font-weight: var(--ax-font-bold);
    color: var(--ax-text-primary);
    flex-shrink: 0;
    transition: opacity var(--ax-transition-fast);
    line-height: 1;
}
.site-nav__logo:hover { opacity: 0.85; color: var(--ax-text-primary); }
.site-nav__logo-icon  { color: var(--ax-accent-primary); flex-shrink: 0; }

/* -------------------------------------------------------------
   DESKTOP MENU
   ------------------------------------------------------------- */
.site-nav__menu {
    display: none;
    align-items: center;
    gap: var(--ax-space-1);
    flex: 1;
    padding-left: var(--ax-space-4);
}
@media (min-width: 1024px) {
    .site-nav__menu { display: flex; }
}

/* Nav Link (a ve button için ortak) */
.site-nav__link {
    display: inline-flex;
    align-items: center;
    gap: var(--ax-space-1);
    padding: var(--ax-space-2) var(--ax-space-3);
    font-size: var(--ax-text-sm);
    font-weight: var(--ax-font-medium);
    font-family: var(--ax-font-family);
    color: var(--ax-text-secondary);
    text-decoration: none;
    border-radius: var(--ax-radius-md);
    border: none;
    background: none;
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    transition: color var(--ax-transition-fast),
                background-color var(--ax-transition-fast);
}
.site-nav__link:hover {
    color: var(--ax-text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}
.site-nav__link.is-active {
    color: var(--ax-accent-primary);
}
.site-nav__link.is-active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: var(--ax-space-3);
    right: var(--ax-space-3);
    height: 2px;
    background-color: var(--ax-accent-primary);
    border-radius: var(--ax-radius-full);
}
.site-nav__link:focus-visible {
    outline: 2px solid var(--ax-accent-primary);
    outline-offset: 2px;
}

/* Chevron ikonu */
.site-nav__chevron {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    transition: transform var(--ax-transition-fast);
}
.site-nav__dropdown-wrap.is-open .site-nav__chevron {
    transform: rotate(180deg);
}

/* Dropdown Wrapper */
.site-nav__dropdown-wrap {
    position: relative;
}

/* Dropdown Panel */
.site-nav__dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background-color: var(--ax-bg-secondary);
    border: 1px solid var(--ax-border-default);
    border-radius: var(--ax-radius-lg);
    box-shadow: var(--ax-shadow-lg);
    padding: var(--ax-space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--ax-transition-normal),
                visibility var(--ax-transition-normal),
                transform var(--ax-transition-normal);
    z-index: var(--ax-z-dropdown);
}
.site-nav__dropdown--end {
    left: auto;
    right: 0;
}
.site-nav__dropdown-wrap.is-open .site-nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Dropdown Item */
.site-nav__dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--ax-space-2);
    width: 100%;
    padding: var(--ax-space-2) var(--ax-space-3);
    font-size: var(--ax-text-sm);
    font-weight: var(--ax-font-normal);
    font-family: var(--ax-font-family);
    color: var(--ax-text-secondary);
    text-decoration: none;
    border-radius: var(--ax-radius-md);
    border: none;
    background: none;
    cursor: pointer;
    text-align: left;
    white-space: nowrap;
    transition: color var(--ax-transition-fast),
                background-color var(--ax-transition-fast);
}
.site-nav__dropdown-item:hover {
    color: var(--ax-text-primary);
    background-color: var(--ax-bg-tertiary);
}
.site-nav__dropdown-item--danger { color: var(--ax-accent-danger); }
.site-nav__dropdown-item--danger:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--ax-accent-danger);
}

.site-nav__dropdown-divider {
    height: 1px;
    background-color: var(--ax-border-default);
    margin: var(--ax-space-2) 0;
}
.site-nav__dropdown-label {
    display: block;
    padding: var(--ax-space-1) var(--ax-space-3);
    font-size: var(--ax-text-xs);
    font-weight: var(--ax-font-semibold);
    color: var(--ax-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* -------------------------------------------------------------
   ACTIONS — Sağ taraf
   ------------------------------------------------------------- */
.site-nav__actions {
    display: flex;
    align-items: center;
    gap: var(--ax-space-2);
    flex-shrink: 0;
}

/* Icon Button */
.site-nav__icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--ax-text-secondary);
    background: none;
    border: none;
    border-radius: var(--ax-radius-md);
    cursor: pointer;
    text-decoration: none;
    position: relative;
    flex-shrink: 0;
    transition: color var(--ax-transition-fast),
                background-color var(--ax-transition-fast);
}
.site-nav__icon-btn:hover {
    color: var(--ax-text-primary);
    background-color: rgba(255, 255, 255, 0.06);
}
.site-nav__icon-btn:focus-visible {
    outline: 2px solid var(--ax-accent-primary);
    outline-offset: 2px;
}

/* Mesaj nokta rozeti */
.site-nav__msg-dot {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 8px;
    height: 8px;
    background-color: var(--ax-accent-danger);
    border-radius: var(--ax-radius-full);
    border: 2px solid var(--ax-bg-primary);
}

/* Kullanıcı butonu — desktop */
.site-nav__user-btn {
    display: none;
    align-items: center;
    gap: var(--ax-space-2);
    padding: var(--ax-space-1) var(--ax-space-3);
    background: none;
    border: 1px solid var(--ax-border-hover);
    border-radius: var(--ax-radius-full);
    color: var(--ax-text-primary);
    font-size: var(--ax-text-sm);
    font-weight: var(--ax-font-medium);
    font-family: var(--ax-font-family);
    cursor: pointer;
    white-space: nowrap;
    transition: border-color var(--ax-transition-fast),
                background-color var(--ax-transition-fast);
}
.site-nav__user-btn:hover {
    border-color: var(--ax-accent-primary);
    background-color: rgba(99, 102, 241, 0.08);
}
.site-nav__user-btn:focus-visible {
    outline: 2px solid var(--ax-accent-primary);
    outline-offset: 2px;
}
.site-nav__rep {
    font-size: var(--ax-text-xs);
    color: var(--ax-accent-warning);
}
@media (min-width: 1024px) {
    .site-nav__user-btn { display: flex; }
}

/* Auth butonları — desktop only */
.site-nav__auth {
    display: none;
    align-items: center;
    gap: var(--ax-space-2);
}
@media (min-width: 1024px) {
    .site-nav__auth { display: flex; }
}

/* Logout form sıfırlama */
.site-nav__logout-form {
    padding: var(--ax-space-1) var(--ax-space-2);
    margin: 0;
}

/* Hamburger — mobil only */
.site-nav__hamburger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    border-radius: var(--ax-radius-md);
    color: var(--ax-text-secondary);
    cursor: pointer;
    flex-shrink: 0;
    transition: color var(--ax-transition-fast),
                background-color var(--ax-transition-fast);
}
.site-nav__hamburger:hover {
    color: var(--ax-text-primary);
    background-color: rgba(255, 255, 255, 0.06);
}
.site-nav__hamburger:focus-visible {
    outline: 2px solid var(--ax-accent-primary);
    outline-offset: 2px;
}
@media (min-width: 1024px) {
    .site-nav__hamburger { display: none; }
}

/* -------------------------------------------------------------
   MOBILE OVERLAY
   ------------------------------------------------------------- */
.nav-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.55);
    z-index: calc(var(--ax-z-sticky) + 10);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--ax-transition-normal),
                visibility var(--ax-transition-normal);
}
.nav-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

/* -------------------------------------------------------------
   MOBILE DRAWER
   ------------------------------------------------------------- */
.nav-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    max-width: 85vw;
    height: 100vh;
    height: 100dvh;
    background-color: var(--ax-bg-primary);
    border-left: 1px solid var(--ax-border-default);
    z-index: calc(var(--ax-z-sticky) + 20);
    transform: translateX(100%);
    transition: transform var(--ax-transition-normal);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overscroll-behavior: contain;
}
.nav-drawer.is-open {
    transform: translateX(0);
}

.nav-drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--ax-space-4);
    border-bottom: 1px solid var(--ax-border-default);
    flex-shrink: 0;
    min-height: 56px;
}

.nav-drawer__nav {
    flex: 1;
    padding: var(--ax-space-4);
    display: flex;
    flex-direction: column;
    gap: var(--ax-space-1);
}

/* Drawer Link */
.nav-drawer__link {
    display: flex;
    align-items: center;
    gap: var(--ax-space-3);
    padding: var(--ax-space-3) var(--ax-space-4);
    font-size: var(--ax-text-sm);
    font-weight: var(--ax-font-medium);
    font-family: var(--ax-font-family);
    color: var(--ax-text-secondary);
    text-decoration: none;
    border-radius: var(--ax-radius-md);
    border: none;
    background: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
    transition: color var(--ax-transition-fast),
                background-color var(--ax-transition-fast);
}
.nav-drawer__link:hover {
    color: var(--ax-text-primary);
    background-color: var(--ax-bg-tertiary);
}
.nav-drawer__link.is-active {
    color: var(--ax-accent-primary);
    background-color: rgba(99, 102, 241, 0.1);
}
.nav-drawer__link--danger { color: var(--ax-accent-danger) !important; }
.nav-drawer__link--danger:hover {
    background-color: rgba(239, 68, 68, 0.1) !important;
    color: var(--ax-accent-danger) !important;
}

/* Accordion */
.nav-drawer__accordion-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--ax-space-3) var(--ax-space-4);
    font-size: var(--ax-text-sm);
    font-weight: var(--ax-font-medium);
    font-family: var(--ax-font-family);
    color: var(--ax-text-secondary);
    background: none;
    border: none;
    border-radius: var(--ax-radius-md);
    cursor: pointer;
    transition: color var(--ax-transition-fast),
                background-color var(--ax-transition-fast);
}
.nav-drawer__accordion-btn:hover {
    color: var(--ax-text-primary);
    background-color: var(--ax-bg-tertiary);
}

.nav-drawer__chevron {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--ax-text-muted);
    transition: transform var(--ax-transition-fast);
}
.nav-drawer__accordion-btn[aria-expanded="true"] .nav-drawer__chevron {
    transform: rotate(180deg);
}

.nav-drawer__accordion-body {
    display: none;
    flex-direction: column;
    gap: var(--ax-space-1);
    padding-left: var(--ax-space-4);
    padding-top: var(--ax-space-1);
}
.nav-drawer__accordion-body.is-open {
    display: flex;
}

.nav-drawer__sub-label {
    padding: var(--ax-space-2) var(--ax-space-4) var(--ax-space-1);
    font-size: var(--ax-text-xs);
    font-weight: var(--ax-font-semibold);
    color: var(--ax-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.nav-drawer__divider {
    height: 1px;
    background-color: var(--ax-border-default);
    margin: var(--ax-space-3) 0;
    flex-shrink: 0;
}

.nav-drawer__auth {
    display: flex;
    flex-direction: column;
    gap: var(--ax-space-2);
    padding-top: var(--ax-space-2);
}

.nav-drawer__logout-form {
    padding: 0;
    margin: 0;
}

/* Scroll Spy: sayfa kaydırılınca navbar arka planı güçlenir */
.site-nav.navbar--scrolled {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
    border-bottom-color: rgba(255, 255, 255, 0.12);
}