/* ═══════════════════════════════════════════════════
   02-LAYOUT — چیدمان کلی (Sidebar + Topbar + Main + Nav)
   ═══════════════════════════════════════════════════ */

/* ═══ APP WRAPPER ═══ */
.app-wrapper {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* ═══ Sidebar ═══ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: #E5E7EB;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
    z-index: 1000;
    transition: transform var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    border-bottom: 1px solid #374151;
    min-height: var(--topbar-height);
    position: relative;
}

.logo-mini {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.sidebar-title {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

    .sidebar-title > span {
        font-weight: 700;
        font-size: 16px;
        color: white;
    }

    .sidebar-title small {
        font-size: 11px;
        color: #9CA3AF;
        font-weight: 400;
    }

.sidebar-close {
    display: none;
    background: transparent;
    border: none;
    color: #9CA3AF;
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.15s;
}

    .sidebar-close:hover {
        background: var(--sidebar-hover);
        color: white;
    }

/* ═══ Nav ═══ */
.nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 16px 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: #D1D5DB;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.18s;
    text-decoration: none;
    user-select: none;
    position: relative;
}

    .nav-item:hover {
        background: var(--sidebar-hover);
        color: white;
        transform: translateX(-2px);
    }

    .nav-item.active {
        background: linear-gradient(90deg, var(--primary), var(--primary-dark));
        color: white;
        box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
    }

        .nav-item.active::before {
            content: '';
            position: absolute;
            right: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 60%;
            background: #A5B4FC;
            border-radius: 2px;
        }

.nav-icon {
    font-size: 18px;
    line-height: 1;
}

.nav-label {
    flex: 1;
}

.nav-divider {
    height: 1px;
    background: #374151;
    margin: 8px 14px;
}

/* ═══ Nav Groups (گروه‌های منو) ═══ */
.nav-group {
    margin-bottom: 4px;
}

.nav-group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: #9CA3AF;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    user-select: none;
    transition: all 0.15s;
}

    .nav-group-header:hover {
        background: rgba(255, 255, 255, 0.04);
        color: #D1D5DB;
    }

.nav-group-icon {
    font-size: 13px;
    line-height: 1;
}

.nav-group-label {
    flex: 1;
}

.nav-group-arrow {
    font-size: 9px;
    transition: transform 0.2s;
    opacity: 0.6;
}

.nav-group.collapsed .nav-group-arrow {
    transform: rotate(-90deg);
}

.nav-group-items {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
    max-height: 800px;
    transition: max-height 0.28s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s;
    opacity: 1;
}

.nav-group.collapsed .nav-group-items {
    max-height: 0;
    opacity: 0;
}

.nav-group-items .nav-item {
    padding: 9px 14px 9px 18px;
    font-size: 13.5px;
}

    .nav-group-items .nav-item .nav-icon {
        font-size: 16px;
        width: 20px;
        text-align: center;
    }

/* ═══ User Mini (Sidebar Footer) ═══ */
.user-mini {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: #374151;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

.user-mini-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.user-mini-info {
    flex: 1;
    min-width: 0;
}

.user-mini-name {
    font-size: 13px;
    font-weight: 600;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-mini-org {
    font-size: 11px;
    color: #9CA3AF;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid #374151;
}

    .sidebar-footer .btn-ghost {
        color: #D1D5DB;
        border-color: #374151;
    }

        .sidebar-footer .btn-ghost:hover {
            background: var(--sidebar-hover);
            color: white;
        }

/* ═══ Sidebar Overlay (موبایل) ═══ */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition);
    backdrop-filter: blur(2px);
}

    .sidebar-overlay.active {
        opacity: 1;
    }

/* ═══ Main ═══ */
.main {
    flex: 1;
    margin-right: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 100vh;
    transition: margin var(--transition);
}

/* ═══ Topbar ═══ */
.topbar {
    background: var(--card);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    min-height: var(--topbar-height);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.92);
}

    .topbar h2 {
        font-size: 18px;
        font-weight: 600;
        flex: 1;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

.topbar-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    flex-shrink: 0;
}

    .topbar-btn:hover {
        background: var(--primary-light);
        border-color: var(--primary);
    }

    .topbar-btn.hamburger {
        display: none;
        font-size: 22px;
    }

#btnSettings:hover {
    transform: rotate(45deg);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 15px;
    flex-shrink: 0;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
}

.user-meta {
    font-size: 12px;
    color: var(--text-muted);
}

/* ═══ Content ═══ */
.content {
    padding: 24px;
    flex: 1;
    min-width: 0;
}

/* ═══ Logo با تصویر (سراسری) ═══ */
.logo-circle,
.logo-mini {
    position: relative;
    overflow: hidden;
    cursor: default;
}

    .logo-circle img,
    .logo-mini img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: inherit;
        display: block;
    }

    .logo-circle .logo-text,
    .logo-mini .logo-text {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        height: 100%;
    }

    .logo-circle.has-image .logo-text,
    .logo-mini.has-image .logo-text {
        display: none;
    }