/* ==========================================================================
   layout.css — Üst çubuk, sol menü ve ana içerik yerleşimi
   ========================================================================== */

/* --------- Üst Navigasyon Çubuğu --------- */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    background-color: var(--background-dark);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-topbar);
}

.topbar__left,
.topbar__right {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.topbar__brand-icon {
    width: 34px;
    height: 34px;
}

.topbar__brand-text {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: var(--text-primary);
}

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

/* Hamburger düğmesi */
.hamburger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    border: 1px solid transparent;
}

.hamburger:hover {
    background-color: var(--background-card);
    color: var(--text-primary);
}

/* Üst çubuk ikon düğmeleri */
.icon-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    border: 1px solid transparent;
}

.icon-btn:hover {
    background-color: var(--background-card);
    color: var(--text-primary);
}

.icon-btn__badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    font-size: 10px;
    line-height: 16px;
    text-align: center;
    color: #fff;
    background-color: var(--red-color);
    border-radius: 8px;
}

/* Üst çubuk kullanıcı bölümü */
.topbar__user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 8px;
    border-left: 1px solid var(--border-color);
}

.topbar__user-meta {
    text-align: right;
    line-height: 1.2;
}

.topbar__user-name {
    font-size: 13px;
    font-weight: 700;
}

.topbar__user-level {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Avatar + çevrimiçi noktası */
.avatar {
    position: relative;
    display: inline-block;
    border-radius: 50%;
    overflow: visible;
}

.avatar img {
    display: block;
    border-radius: 50%;
    background-color: var(--background-card);
    object-fit: cover;
}

.avatar--sm img { width: 36px; height: 36px; }
.avatar--md img { width: 48px; height: 48px; }
.avatar--lg img { width: 64px; height: 64px; }

.avatar--male img {
    box-shadow: 0 0 0 3px #4a9fd8;
}

.avatar--female img {
    box-shadow: 0 0 0 3px #e87ba8;
}

.avatar__status {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background-color: #7d8798;
    border: 2px solid var(--background-dark);
}

.avatar__status--online {
    background-color: var(--green-color);
}

/* --------- Sol Menü --------- */
.sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: var(--background-sidebar);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    z-index: var(--z-sidebar);
    transition: transform 0.18s ease;
}

.sidebar__profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar__profile-name {
    font-size: 14px;
    font-weight: 700;
}

.sidebar__profile-meta {
    flex: 1;
    min-width: 0;
}

.sidebar__profile-level {
    font-size: 12px;
    color: var(--active-color);
    margin-top: 2px;
}

.sidebar__xp {
    margin-top: 8px;
}

.sidebar__xp-bar {
    height: 6px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 999px;
    overflow: hidden;
}

.sidebar__xp-fill {
    height: 100%;
    background: linear-gradient(90deg, #e8922a, #f5a623);
    border-radius: 999px;
    transition: width 0.35s ease;
}

.sidebar__xp-text {
    margin-top: 4px;
    font-size: 10px;
    color: var(--text-secondary);
    line-height: 1.3;
}

.sidebar__nav {
    padding: 10px 8px;
}

.sidebar__section-title {
    padding: 10px 10px 6px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-secondary);
}

.sidebar__link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    margin-bottom: 2px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    border-left: 3px solid transparent;
}

.sidebar__link:hover {
    background-color: var(--background-card);
    color: var(--text-primary);
}

.sidebar__link .sidebar__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.85;
}

.sidebar__link.is-active {
    background-color: rgba(112, 191, 216, 0.16);
    color: var(--text-primary);
    border-left-color: var(--active-color);
}

.sidebar__footer {
    padding: 12px;
    border-top: 1px solid var(--border-color);
}

/* --------- Ana İçerik --------- */
.app-main {
    margin-left: var(--sidebar-width);
    padding-top: var(--topbar-height);
    min-height: 100vh;
}

.app-content {
    padding: 20px 24px 40px;
    max-width: 1500px;
}

/* Mobil menü arka planı */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background-color: var(--overlay-color);
    z-index: calc(var(--z-sidebar) - 1);
    display: none;
}

.sidebar-backdrop.is-visible {
    display: block;
}

/* --------- Genel yardımcı yerleşim sınıfları --------- */
.grid {
    display: grid;
    gap: 16px;
}

.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
}

/* Izgara çocukları varsayılan min-width:auto yüzünden taşmasın */
.grid > *,
.row > *,
.stack > * {
    min-width: 0;
}