/**
 * Topbar / Navbar Component
 * Universe Moodle Theme
 *
 * - Fixed position, 60px height
 * - Gradient background
 * - z-index: 1230
 * - Pill shaped buttons
 *
 * @package AycaHanim
 */

/* ============== TOPBAR WRAPPER ============== */
.rui-topbar-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--topbar-height);
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(90deg, var(--topbar-color) 0%, var(--topbar-color-2) 100%);
    font-size: var(--text-base);
    color: var(--topbar-btn-text);
    z-index: var(--z-topbar);
    transition: background var(--transition-normal);
}

/* ============== TOPBAR LEFT (Logo + Nav) ============== */
.rui-topbar-left {
    display: flex;
    align-items: center;
    gap: 30px;
}

/* Logo */
.rui-topbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--gray-900);
}

.rui-topbar-logo img {
    height: 42px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
}

/* Light/dark mode logo switching */
.rui-topbar-logo-img--dark {
    display: none;
}

.theme-dark .rui-topbar-logo-img--light {
    display: none;
}

.theme-dark .rui-topbar-logo-img--dark {
    display: block;
}

.rui-topbar-logo-text {
    font-size: var(--text-md);
    font-weight: 700;
    color: var(--gray-900);
    max-width: 260px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============== NAVIGATION ============== */
.rui-topbar-nav {
    display: flex;
    align-items: center;
    gap: 5px;
}

.rui-topbar-nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--topbar-btn-text);
    text-decoration: none;
    border-radius: var(--radius-pill);
    transition: all var(--transition-normal);
}

.rui-topbar-nav-link:hover,
.rui-topbar-nav-link.active {
    color: var(--main-theme-color);
    background-color: var(--topbar-btn-hover);
}

.rui-topbar-nav-link i {
    font-size: 0.75rem;
}

/* Dropdown */
.rui-topbar-dropdown {
    position: relative;
}

.rui-topbar-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    padding: 10px 0;
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    z-index: calc(var(--z-topbar) + 1);
}

.rui-topbar-dropdown:hover .rui-topbar-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.rui-topbar-dropdown-item {
    display: block;
    padding: 10px 20px;
    font-size: var(--text-base);
    color: var(--gray-800);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.rui-topbar-dropdown-item:hover {
    background-color: var(--gray-100);
    color: var(--main-theme-color);
}

.rui-topbar-dropdown-item--danger {
    color: var(--danger, #ef1010);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font: inherit;
    display: block;
    padding: 10px 20px;
    font-size: var(--text-base);
    text-decoration: none;
    transition: all var(--transition-normal);
}
.rui-topbar-dropdown-item--danger:hover {
    background-color: rgba(239, 16, 16, 0.06);
    color: var(--danger, #ef1010);
}

/* ============== TOPBAR RIGHT (Buttons) ============== */
.rui-topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Topbar Button (Pill Shape) */
.rui-topbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
    padding: 0 12px;
    border: none;
    border-radius: var(--radius-pill);
    font-size: var(--text-md);
    font-weight: 500;
    color: var(--topbar-btn-text);
    background-color: transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.rui-topbar-btn:hover {
    color: var(--topbar-btn-hover-text);
    background-color: var(--topbar-btn-hover);
}

.rui-topbar-btn i {
    font-size: 1rem;
}

.rui-topbar-btn span {
    margin-left: 8px;
}

/* Icon only button */
.rui-topbar-btn--icon {
    width: 40px;
    padding: 0;
}

/* Primary button (Giriş/Kayıt) */
.rui-topbar-btn--primary {
    background-color: var(--btn-primary-color-bg);
    color: var(--btn-primary-color-text);
    padding: 0 20px;
}

.rui-topbar-btn--primary:hover {
    background-color: var(--btn-primary-color-bg-hover);
    color: var(--btn-primary-color-bg-hover-text);
}

/* User Menu (Logged in) */
.rui-topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 5px 12px 5px 5px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
}

.rui-topbar-user:hover {
    background-color: var(--card-bg);
}

.rui-topbar-user:focus,
.rui-topbar-user:focus-visible {
    outline: none;
    box-shadow: none;
}

.rui-topbar-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.rui-topbar-user-name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-800);
}

/* ============== MOBILE HAMBURGER ============== */
.rui-topbar-toggle {
    display: none;
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--topbar-btn-text);
    font-size: 1.25rem;
}

/* ============== MOBILE MENU ============== */
.rui-mobile-menu {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--topbar-height));
    background-color: var(--card-bg);
    padding: 20px;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    z-index: calc(var(--z-topbar) - 1);
    overflow-y: auto;
}

.rui-mobile-menu.is-open {
    transform: translateX(0);
}

.rui-mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.rui-mobile-menu-link {
    display: block;
    padding: 12px 16px;
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--gray-800);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.rui-mobile-menu-link:hover,
.rui-mobile-menu-link.active {
    background-color: var(--primary-color-100);
    color: var(--main-theme-color);
}

.rui-mobile-menu-divider {
    height: 1px;
    background-color: var(--gray-200);
    margin: 15px 0;
}

/* ============== MOBILE OVERLAY ============== */
.rui-mobile-overlay {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--topbar-height));
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: calc(var(--z-topbar) - 2);
}

.rui-mobile-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

/* User dropdown for mobile/tablet */
#userDropdown {
    left: auto;
    right: 0;
}

/* ============== RESPONSIVE ============== */
@media (max-width: 1099px) {
    .rui-topbar-nav {
        display: none;
    }

    .rui-topbar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .rui-topbar-right .d-desktop-only {
        display: none;
    }
}

@media (max-width: 767.98px) {
    .rui-topbar-wrapper {
        padding: 10px 15px;
    }

    .rui-topbar-logo-text {
        max-width: 150px;
        font-size: var(--text-sm);
    }

    .rui-topbar-right {
        gap: 5px;
    }
}

/* ══════════════════════════════════════════════════
   Announcement Bar — Topbar üstü duyuru çubuğu
   ══════════════════════════════════════════════════ */

:root {
    --announcement-height: 0px;
}

.rui-announcement-bar {
    background: linear-gradient(135deg, var(--main-theme-color), #3a45a0);
    color: #fff;
    text-align: center;
    padding: 6px 0;
    font-size: 13px;
    font-weight: 500;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1231;
    line-height: 1.4;
}

/* Duyuru barı varken topbar'ı aşağı it */
.rui-announcement-bar ~ .rui-topbar-wrapper {
    top: var(--announcement-height);
}

.rui-announcement-bar .container {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.rui-announcement-text {
    margin: 0;
    flex: 1;
}

.rui-announcement-text i {
    opacity: 0.8;
}

.rui-announcement-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    padding: 0 8px;
    font-size: 14px;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: color 0.2s;
}

.rui-announcement-close:hover {
    color: #fff;
}

/* Dark mode */
.theme-dark .rui-announcement-bar {
    background: linear-gradient(135deg, #2a2a4a, #1a1a3a);
}

/* Mobile */
@media (max-width: 767.98px) {
    .rui-announcement-bar {
        font-size: 11px;
        padding: 5px 0;
    }
    :root {
        --announcement-height: 32px;
    }
}